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Equipment Discussions >> Observatories

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elbee
professor emeritus


Reged: 05/02/09

Loc: Arizona
do you worry about a roll off roof blowing off?
      #6244005 - 12/10/13 01:47 AM

curious to know what you do to make sure that doesn't happen.

thanks


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astrodog73
super member


Reged: 02/22/13

Loc: Australia
Re: do you worry about a roll off roof blowing off? new [Re: elbee]
      #6244033 - 12/10/13 02:34 AM Attachment (62 downloads)

I fashioned some interlocks out of some steel angle and RHS sections to stop uplift.... then one bolt through the wall top plate into the roof frame stops any rolling action....

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astrodog73
super member


Reged: 02/22/13

Loc: Australia
Re: do you worry about a roll off roof blowing off? new [Re: astrodog73]
      #6244034 - 12/10/13 02:35 AM Attachment (52 downloads)

Another pic....

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Galaxyhunter
Carpal Tunnel
*****

Reged: 01/02/06

Loc: Northern Illinois
Re: do you worry about a roll off roof blowing off? new [Re: astrodog73]
      #6244157 - 12/10/13 06:52 AM

Here is how I did mine, A rod is welded on the end stop that fits above the casters on the South end when closed.

Then on the North Side I have a pin that locks into a plate bolted to the side of the building.
This is a no muss, no fuss system that allows me to run my Observatory remotely without worrying about manually locking the roof down.


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scopefreak
scholastic sledgehammer
****

Reged: 04/14/04

Loc: Mayslick KY
Re: do you worry about a roll off roof blowing off? new [Re: Galaxyhunter]
      #6244219 - 12/10/13 08:27 AM

My OBS has been in use for almost four years and i just use a simple turnbuckle system to keep the roof on when closed. This is not a remote controlled OBS so I have to remove and replace the turnbuckles before and after each session. Takes about a minute to do.

I do not have the turnbuckles on the gantry so if the wind is much above 25mph I will close down or don't open it due to the possibility of the roof blowing off when in the open position. I am probably being paranoid about this as the roof weighs about 2000 pounds, but better safe than sorry!


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David PavlichAdministrator
Transmographied
*****

Reged: 05/18/05

Loc: Mandeville, LA USA
Re: do you worry about a roll off roof blowing off? new [Re: scopefreak]
      #6244267 - 12/10/13 08:55 AM

I went the low tech route. All I did was used eye bolts in the roof and floor and used tie down straps. I also have 4 eye bolt/turnbuckle combinations at the corners. I added the straps before one on the hurricanes came wading ashore. The roof never left the structure.

Edit: They are all through bolted with nuts and washers, not lag type eye bolts for the strap versions.

David

Edited by David Pavlich (12/10/13 08:56 AM)


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csa/montana
Den Mama
*****

Reged: 05/14/05

Loc: montana
Re: do you worry about a roll off roof blowing off? new [Re: elbee]
      #6244440 - 12/10/13 10:28 AM Attachment (42 downloads)

Nope, not worried at all, mine has turnbuckles to hold it down.

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Starman27
Post Laureate
*****

Reged: 01/29/06

Loc: Illinois, Iowa
Re: do you worry about a roll off roof blowing off? new [Re: csa/montana]
      #6244477 - 12/10/13 10:43 AM Attachment (42 downloads)

I also use turnbuckles. The roof stayed on when it was hit by a microburst but the unit was damaged as can be seen in this image. It has also survived a F0 tornado that damaged a lot of trees.

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thesungazer
Sungazer
*****

Reged: 05/06/03

Loc: Maryland
Re: do you worry about a roll off roof blowing off? new [Re: csa/montana]
      #6244486 - 12/10/13 10:47 AM

Nothing at all. Standard garage door rails and rollers held up fine in 80mph Derecho wind gusts.

Greg


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Norm Meyer
sage
*****

Reged: 02/08/09

Loc: Warren, ME 04864
Re: do you worry about a roll off roof blowing off? new [Re: thesungazer]
      #6244524 - 12/10/13 11:13 AM

I use bar clamps. They work well. If we're expecting
really high winds (hurricane, blizzard etc) I add a couple
of heavy duty "C" clamps. The obs has been there for about
5 years and haven't had problems.

Regards Norm


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Footbag
Postmaster
*****

Reged: 04/13/09

Loc: Scranton, PA
Re: do you worry about a roll off roof blowing off? new [Re: Norm Meyer]
      #6244548 - 12/10/13 11:30 AM

I've been using clamps, but I just ordered a set of turnbuckles. I'm not really worried unless we get a hurricane, but I do need something in that event.

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kolsen
member


Reged: 11/05/08

Loc: IL
Re: do you worry about a roll off roof blowing off? new [Re: Footbag]
      #6244590 - 12/10/13 11:54 AM

Turnbuckles. I've tried other types of clamps but the turnbuckles are the easiest and safest.

I do like your idea Galaxyhunter. I might have to do that for my new roll-off this spring!!


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pstarr
Carpal Tunnel
*****

Reged: 09/17/04

Loc: NE Ohio
Re: do you worry about a roll off roof blowing off? new [Re: kolsen]
      #6244604 - 12/10/13 11:59 AM

I use four 1/2" threaded rods that attach to 1-1/2" angle iron brackets. I haven't had a problem since I built it in 1991.

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Old Dinosaur
Carpal Tunnel
*****

Reged: 05/08/07

Loc: Down there on the river
Re: do you worry about a roll off roof blowing off? new [Re: pstarr]
      #6244614 - 12/10/13 12:09 PM

Ratchet tie down straps at each corner attached to 3/8" hooks and eyes.
Out here in Wyoming the breeze will blow you away.


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Midnight Dan
Postmaster
*****

Reged: 01/23/08

Loc: Hilton, NY, Yellow Zone (Bortl...
Re: do you worry about a roll off roof blowing off? new [Re: Old Dinosaur]
      #6244822 - 12/10/13 01:45 PM

I have a Skyshed POD which has metal brackets that keep the dome from blowing off.

BUT ... if I had an ROR, I'd probably use toggle clamps. You can latch them very quickly, they're inexpensive, and hold a lot. These have a 700 pound holding capacity and are only $6.50 each. Two of them on a side (three for a larger ROR) should be pretty secure.
http://www.thetoggleclampstore.com/431.html

-Dan


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DeanS
Post Laureate
*****

Reged: 07/12/05

Loc: Central Kentucky
Re: do you worry about a roll off roof blowing off? new [Re: Midnight Dan]
      #6245010 - 12/10/13 03:09 PM Attachment (33 downloads)

I use clamps for now. Have a set of small load binders I was going to use, but after about 8 years of hanging on the wall I doubt I will ever get around to installing them

But I have a incorporated a little detail in my roller system that will not allow the roof to ever come off anyways, but I suppose it could move up and down a little bit if not clamped.


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DeanS
Post Laureate
*****

Reged: 07/12/05

Loc: Central Kentucky
Re: do you worry about a roll off roof blowing off? new [Re: DeanS]
      #6245018 - 12/10/13 03:12 PM Attachment (32 downloads)

Here is a picture of it during construction. It is the entire length of the roof on both sides, and was covered by the facia trim.

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elbee
professor emeritus


Reged: 05/02/09

Loc: Arizona
Re: do you worry about a roll off roof blowing off? new [Re: DeanS]
      #6245310 - 12/10/13 05:27 PM

great suggestions, all! thanks very much.

Dean -- i like your solution a lot -- a design that in general shouldn't ever allow it to lift off (under normal wind conditions) combined with the various turnbuckle, tie-down methods others have incorporated for a severe weather event.

did you extend the capture system (top plate on the support beam) to include the support rail extensions outside the observatory so it remains captive even in the open position?

i'm hoping to take something to my HOA in the near future. keeping my fingers crossed i can present a project plan that will pass their rigorous review process. (aesthetically and functionally).

thanks


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jazle
super member


Reged: 05/20/10

Loc: California, USA
Re: do you worry about a roll off roof blowing off? new [Re: elbee]
      #6247801 - 12/11/13 08:23 PM

When I had the engineering calcs done on my ROR, they calculated an uplift of about 2000# with 85mph winds. The roof was calculated to weigh 1200# so I had to come up with interlocks that could hold it down in the four corners with 200# each. I use two bolts screwed into the rail and a piece of 1" square stock with a slot cut out one side that slide around the bolt heads when closed. The engineers were satisfied with that mechanism.

Now, that was for 85mph winds. Turns out that our backyard is in a depression with many tall trees on the neighboring properties adding plenty of wind shielding. With my observatory weather station up since April, the maximum gust (not average) we have seen has been 19mph. I think my roof is safe


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CCD-Freak
member
*****

Reged: 01/17/08

Loc: Whitesboro,Texas
Re: do you worry about a roll off roof blowing off? new [Re: jazle]
      #6247994 - 12/11/13 10:24 PM

Never underestimate the power of moving air!!! I lost the roof of my observatory during a violent Texas thunderstorm. It flew almost 300 feet before it hit a guy wire on a utility pole which sliced through 8 feet of 26 gauge corrugated tin. The building would have blown away too if it had not been for the pier. The roof was held down by 6 turnbuckles and eyebolts which were "ripped out by the roots". Fortunately the scope was with me and not in the observatory.

Make you roof hold down system twice as strong as you might think. You will be glad you did.

CCD-Freak


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elbee
professor emeritus


Reged: 05/02/09

Loc: Arizona
Re: do you worry about a roll off roof blowing off? new [Re: CCD-Freak]
      #6248036 - 12/11/13 10:51 PM

I never underestimate the power of wind and water! it is infrequent, but I can get gusts of 40+ mph on occasion.

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Stargaz18
sage
*****

Reged: 01/04/11

Loc: Wichita Falls, TX
Re: do you worry about a roll off roof blowing off? new [Re: CCD-Freak]
      #6248104 - 12/11/13 11:27 PM

I know what you mean CCD! We had 100+ mph winds here with just a thunderstorm. Never seen anything like it except in a hurricane.

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1965healy
The Snarkster
*****

Reged: 06/23/07

Loc: San Antonio, TX
Re: do you worry about a roll off roof blowing off? new [Re: Stargaz18]
      #6248123 - 12/11/13 11:43 PM

My ROR has turnbuckles. It's withstood 70 mph gusts with no problem. The Obs is on top of my garage and the peak of the roof is probably 20' above the ground so if it was gonna blow off it would have done it.

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BYoesle
Post Laureate
*****

Reged: 06/12/04

Loc: Goldendale, Washington USA
Re: do you worry about a roll off roof blowing off? new [Re: 1965healy]
      #6249124 - 12/12/13 01:54 PM Attachment (19 downloads)

I used a rail system similar to Dean's which ensures the roof is always very securely captured in any open position or fully closed.

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astrodog73
super member


Reged: 02/22/13

Loc: Australia
Re: do you worry about a roll off roof blowing off? new [Re: BYoesle]
      #6249712 - 12/12/13 07:01 PM

If I were building again, I'd incorporate a system like Deans/Bobs - excellent design.... I'd have holes predrilled to slip some long 3/8 or 1/2" bolts through for inclement weather insurance as well....

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csa/montana
Den Mama
*****

Reged: 05/14/05

Loc: montana
Re: do you worry about a roll off roof blowing off? new [Re: 1965healy]
      #6249718 - 12/12/13 07:04 PM

Quote:

My ROR has turnbuckles. It's withstood 70 mph gusts with no problem.




Same here, and if the ROR goes, I won't worry, because the roof on my house would probably also be gone.


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Alex McConahay
Carpal Tunnel


Reged: 08/11/08

Loc: Moreno Valley, CA
Re: do you worry about a roll off roof blowing off? new [Re: CCD-Freak]
      #6259779 - 12/18/13 10:18 AM

We have a set of fifteen observatories at our club. Most of us have some kind of tie downs. Mine are simple gate latches. When the roof is closed, I simply slide the latch into the hole drilled in the side beam. Never had a problem.

There seem to be two kinds of answers in this thread. One is about the roof blowing off. The other is about it blowing open. As for blowing off, most of our observatories have nylon wheels running in some kind of C channel.(The wheel is captured both top and bottom. )So we have no blow off issues.

However, if we do not properly secure our roofs, we have had them blow open in a strong desert wind.

Alex


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groz
Carpal Tunnel
*****

Reged: 03/14/07

Loc: Campbell River, BC
Re: do you worry about a roll off roof blowing off? new [Re: Alex McConahay]
      #6260779 - 12/18/13 07:21 PM

This is all very interesting stuff. We are still planning our build, and I am madly saving pictures from this thread. Strong winds are not the norm here, but, 100 knots does happen at least once each winter. I've been pondering how to do things so that a roof that moves, cant blow off easily, and ideally doesn't require human intervention to set locks in place, which kind of defeats the concept of automated observatory.

I really like the rails with keepers concepts.


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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: do you worry about a roll off roof blowing off? new [Re: groz]
      #6260816 - 12/18/13 07:45 PM

On my small roll-off (which I open by hand) I cut 3/4" x 3/4" slots in the outsides of the horizontal beams that support the roof when it rolls off. The moving roof portion then has L-shape metal lagged into it that fits into these slots with just enough clearance that it will not impede easy movement. Thus there is nothing I need to do to prevent the roof from blowing off - since the metal cannot escape the slot. Then when the roof is closed I use a padlock for security that prevents the roof from opening - either by people or strong wind. (I probably got the ideas here.)

Edited by rlandsboro (12/18/13 08:47 PM)


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Orion58
scholastic sledgehammer


Reged: 10/28/11

Loc: Southern Wisconsin
Re: do you worry about a roll off roof blowing off? new [Re: elbee]
      #6260891 - 12/18/13 08:38 PM Attachment (19 downloads)

Hi Lee

My solution was to install these near the four corners. Each of these consists of two ½ inch eyebolts, 12 inches in length with a ½ inch turnbuckle securing them. The top eyebolt goes completely through the beam and with washers/double nuts on the exterior side.

One thing to remember is that the system is only as strong as its weakest link. In this case it is the lag screws that secure the bottom framework into the studs. In my situation the system only needs to be strong enough to hold the roof in place until the first metal roof panel is torn off – in which case the uplift decreases.

This is likely a bit of overkill but I always sleep soundly even when the wind is howling. ..


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Orion58
scholastic sledgehammer


Reged: 10/28/11

Loc: Southern Wisconsin
Re: do you worry about a roll off roof blowing off? new [Re: elbee]
      #6260902 - 12/18/13 08:42 PM Attachment (9 downloads)

Another view

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Galaxyhunter
Carpal Tunnel
*****

Reged: 01/02/06

Loc: Northern Illinois
Re: do you worry about a roll off roof blowing off? new [Re: Alex McConahay]
      #6260903 - 12/18/13 08:43 PM Attachment (3 downloads)

Quote:

We have a set of fifteen observatories at our club. Most of us have some kind of tie downs. Mine are simple gate latches. When the roof is closed, I simply slide the latch into the hole drilled in the side beam. Never had a problem.

There seem to be two kinds of answers in this thread. One is about the roof blowing off. The other is about it blowing open. As for blowing off, most of our observatories have nylon wheels running in some kind of C channel.(The wheel is captured both top and bottom. )So we have no blow off issues.

However, if we do not properly secure our roofs, we have had them blow open in a strong desert wind.

Alex





Here is how I deal with the "Blow Open" problem. It is a simple gravity activated latch, something like a door latch. I use a DC motor to "Unlock" the roof, This pulls the latch rod out from under the latch. Then the roof can be opened. When I'm closing the roof, I reverse the DC motor to raise the latch rod. When the roof comes to the closed position, The latch plate pushes the rod down until it finds the hole in the latch plate. Then the rod raised into the hole to lock the roof closed.


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LoveChina61
scholastic sledgehammer
*****

Reged: 06/20/09

Re: do you worry about a roll off roof blowing off? new [Re: Galaxyhunter]
      #6261482 - 12/19/13 08:49 AM

I was concerned that my roof might blow off while trying to roll it shut. Call me paranoid, but the desert winds can pick up suddenly. I envisioned my roof flying off like a kite. My observatory is 12ft long so I went ahead and purchased two more 14-15ft V-rails just like the rails that my roof rollers ride upon.

I mounted them up near the top of the wall with one lip of the V-rails protruding straight out. This formed a lip that enabled me to then hang a pair of some very strong "L" shaped brackets (3/8" steel) to ride along under the lip of the rail.

This is similar to the idea mentioned above in BYoesle's post. I was able to remotely operate the observatory's webcam to snap the picture below. Sorry I can't come up with a better picture right now. The blue arrow points to the V-rail which begins here and runs along the top of the wall towards the left another 14ft or so. The red arrow is pointing to the strong "L" brackets that ride under the lip of the protruding V-rail.

I did the same thing on the opposite wall of the observatory so that both sides of the roof will be held secure as the roof rolls open and shut. I am not as concerned about the roof flying off in the left-to-right direction cause my garage door motor set up grips it tightly and prevents it from flying off in that direction. But I don't want the roof flying straight up like a kite. All along the route, the roof is now held securely in place. These "L" brackets have gone a long way in helping me feel secure. It only cost about $50 for both of the extra rails so it was a relatively cheap and easy fix.



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tuo
journeyman


Reged: 02/10/13

Re: do you worry about a roll off roof blowing off? new [Re: LoveChina61]
      #6262513 - 12/19/13 07:26 PM Attachment (11 downloads)

Here is my solution. Got the locks cheap in the bay, normally used for car hangers. One on each corner, and two on the outside (pictured) to secure the roof when open.

regards

Ulrik


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tuo
journeyman


Reged: 02/10/13

Re: do you worry about a roll off roof blowing off? new [Re: tuo]
      #6262516 - 12/19/13 07:27 PM Attachment (9 downloads)

And inside

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Alex McConahay
Carpal Tunnel


Reged: 08/11/08

Loc: Moreno Valley, CA
Re: do you worry about a roll off roof blowing off? new [Re: tuo]
      #6262617 - 12/19/13 08:39 PM

>>>>>normally used for car hangers.

What is a car hanger? Sorry, I just cannot figure it out.

Alex


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tuo
journeyman


Reged: 02/10/13

Re: do you worry about a roll off roof blowing off? new [Re: Alex McConahay]
      #6262664 - 12/19/13 09:11 PM

Sorry, english is not my native tongue.

Is car trailer correct? The thing you hang on your car to carry stuff

Edit:
this

Edited by tuo (12/19/13 09:14 PM)


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rlandsboro
super member


Reged: 02/23/12

Loc: Scottsdale, AZ. USA
Re: do you worry about a roll off roof blowing off? new [Re: tuo]
      #6262677 - 12/19/13 09:20 PM

It almost looks like what I would call a hitch lock. You raise a lever to seat your hitch on the ball, then lower the lever to lock the hitch to the ball. Then you pass this lock pin through the hole under the lever. Then the lever cannot raise and release the ball. It's a common item - some are made with keyed locks.

But with the small mounting plates, this particular item looks like a small but complete 2-piece trailer hitch - but not for over the road use. More likely for a small garden trailer and atv?

Edited by rlandsboro (12/19/13 09:25 PM)


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vsteblina
sage


Reged: 11/05/07

Loc: Wenatchee, Washington
Re: do you worry about a roll off roof blowing off? new [Re: tuo]
      #6262679 - 12/19/13 09:21 PM

I used screw in turnbuckles. Then the eight by eight metal roof went for a "walk" one windy night. It missed my wife's brand new Honda Accord by a foot, the neighbors car by two feet and ended up a half block away.

Thankfully, it was outside of town so mostly rural.

I replace all the turnbuckels with large C-Clamps.


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Raginar
Postmaster
*****

Reged: 10/19/10

Loc: Rapid CIty, SD
Re: do you worry about a roll off roof blowing off? new [Re: vsteblina]
      #6262758 - 12/19/13 10:29 PM

Wow, did you take pictures?

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Alex McConahay
Carpal Tunnel


Reged: 08/11/08

Loc: Moreno Valley, CA
Re: do you worry about a roll off roof blowing off? new [Re: tuo]
      #6262931 - 12/20/13 01:12 AM

Okay, That thing you hitch to a car is called a trailer.....a "Utility trailer" in the picture. I just don't see how those latches are used on a trailer.

Not that it matters. Seriously, anybody who cannot figure out a simple latching system to hold their roof down using gate hardware, trailer hardware, turnbuckles, or whatever, just does not have an imagination.

Alex


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John Fitzgerald
In Focus
*****

Reged: 01/04/04

Loc: AR
Re: do you worry about a roll off roof blowing off? new [Re: Alex McConahay]
      #6264499 - 12/20/13 09:31 PM

I use two tie downs in each corner secured between 5/8 inch forged eye bolts through the framing of the wall corner and the roof base framing, plus two 5/8 inch pins through the roof base framing into the wall on the south corners, which is the direction the strongest winds blow from. I think the stamped turnbuckles (the commoner kind) are too weak to secure a roof the size of mine (approx 18 x 18 ft).

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Aircrftr
Pooh-Bah


Reged: 09/29/06

Loc: Claremore OK
Re: do you worry about a roll off roof blowing off? new [Re: John Fitzgerald]
      #6265883 - 12/21/13 07:00 PM Attachment (18 downloads)

It's been an icy, rainy day and I've been home all day so I thought I'd go out to the observatory and show what I done to insure the roof doesn't blow off. The roof assembly has pins bolted to the roof frame which is 1/4" X 4" angle iron for this particular part and the receiver for these pins are bolted to the structure of the observatory walls. There are only two of these and they are located in the middle. The pins engage the receivers while it is closed and the garage door opener chain/cable rigging insure the roof won't move forward or backward to allow the pin/receivers to disengage without intentionally opening the roof with the opener.

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Aircrftr
Pooh-Bah


Reged: 09/29/06

Loc: Claremore OK
Re: do you worry about a roll off roof blowing off? new [Re: Aircrftr]
      #6265884 - 12/21/13 07:01 PM Attachment (15 downloads)

the other side...

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Aircrftr
Pooh-Bah


Reged: 09/29/06

Loc: Claremore OK
Re: do you worry about a roll off roof blowing off? new [Re: Aircrftr]
      #6265887 - 12/21/13 07:02 PM Attachment (16 downloads)

And the garage door opener that keeps the roof where it is, not allowing the roof to open without actually operating.

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tim57064
Pooh-Bah
*****

Reged: 08/23/12

Loc: Southeast South Dakota,USA
Re: do you worry about a roll off roof blowing off? new [Re: Aircrftr]
      #6266323 - 12/22/13 01:54 AM

Aircrftr,Your ceiling is intriguing.Do you have images of your OBS?

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Aircrftr
Pooh-Bah


Reged: 09/29/06

Loc: Claremore OK
Re: do you worry about a roll off roof blowing off? new [Re: tim57064]
      #6266665 - 12/22/13 11:03 AM Attachment (16 downloads)

Sure, This is the outside. Anything in particular you were interested in?

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Midnight Dan
Postmaster
*****

Reged: 01/23/08

Loc: Hilton, NY, Yellow Zone (Bortl...
Re: do you worry about a roll off roof blowing off? new [Re: Aircrftr]
      #6266891 - 12/22/13 01:23 PM



Wow! Gorgeous observatory! First time I've seen one with a gambrel roof.

-Dan


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Aircrftr
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Reged: 09/29/06

Loc: Claremore OK
Re: do you worry about a roll off roof blowing off? new [Re: Midnight Dan]
      #6266898 - 12/22/13 01:27 PM

Thanks! The whole thing was mainly napkin design and off the top of my head. Every bit of it built by myself. It's worked out really well for me.

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vsteblina
sage


Reged: 11/05/07

Loc: Wenatchee, Washington
Re: do you worry about a roll off roof blowing off? new [Re: Raginar]
      #6266914 - 12/22/13 01:35 PM

Quote:

Wow, did you take pictures?




No, the roof actually survived in good shape. It even stayed "square" after its trip down the street.

However, it weighed close to a hundred pounds so the damage to the vehicles would have been significant.

The observatory was on the street. Right next to the county road without a fence. So when I looked out that morning and saw the roof missing I thought someone had broken into the observatory. I walked out there and the telescope, eyepieces, and computer were all still there.

Then I had to start looking for the roof!

I am impressed with all the solutions for the blown roof problem. We generally did not get much wind in that location, but that one gust was enough to get me to pay attention.

I think I will keep this thread on file for the next observatory.


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David PavlichAdministrator
Transmographied
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Reged: 05/18/05

Loc: Mandeville, LA USA
Re: do you worry about a roll off roof blowing off? new [Re: Aircrftr]
      #6267167 - 12/22/13 03:58 PM

Hey Dan...you've been holding out on me! That's magnificent!

David


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tim57064
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Reged: 08/23/12

Loc: Southeast South Dakota,USA
Re: do you worry about a roll off roof blowing off? new [Re: Aircrftr]
      #6267215 - 12/22/13 04:31 PM

I did not mean to hi jack the thread was just curious as to what it looked like from the outside,thanks,Looks great.Love the Gambrel Barn Roof look.

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Aircrftr
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Reged: 09/29/06

Loc: Claremore OK
Re: do you worry about a roll off roof blowing off? new [Re: tim57064]
      #6267260 - 12/22/13 05:04 PM

Thanks Dave and Tim! Now back to the thread.

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wormstar
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Reged: 11/23/09

Loc: Central Ct
Re: do you worry about a roll off roof blowing off? new [Re: Aircrftr]
      #6268473 - 12/23/13 12:31 PM

I have had two different systems. I now just use heavy duty hasps and 'beaner clips on all four corners. I stopped worrying about securing the roof to the obs when I dawned on me that there was nothing securing the building to the ground:) it,like many just sits on blocks.

Edited by wormstar (12/23/13 12:32 PM)


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