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Equipment Discussions >> Reflectors

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eyepiecedropper
member


Reged: 12/31/11

Loc: aschaffenburg, germany
BAMBI vs. GODZILLA - new Skywatcher 300PDS new
      #5530339 - 11/20/12 02:44 PM Attachment (195 downloads)

Hi, this is Bambi vs. Godzilla ;-) Pics just cant show you how big this 12" is. It looks pretty much like an oil drum. The mirror + holder alone is heavier than Bambi, an 8" f/6 scope. Im not sure anymore that I want to mount this heavy thing on my eq-6. It seems this time Ive gone too far. But I like it (her? him?) already. This thing on my little balcony is a challenge for sure.
BTW: the PDS has a welded tube, not a seamed one.

regards, Martin


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csrlice12
Postmaster
*****

Reged: 05/22/12

Loc: Denver, CO
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: eyepiecedropper]
      #5530401 - 11/20/12 03:15 PM

Truthfully, it wasn't even a contest.........

Edited by csrlice12 (11/20/12 03:16 PM)


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Deep13
Carpal Tunnel
*****

Reged: 01/25/05

Loc: NE Ohio
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: csrlice12]
      #5530433 - 11/20/12 03:35 PM

I see you have rings on the 12". Which mount do you use?

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DavidC
Pooh-Bah


Reged: 11/24/05

Loc: Mesa, Arizona
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: eyepiecedropper]
      #5530725 - 11/20/12 06:03 PM

Nice telescope, that looks impressive! You mentioned that you weren't sure if you wanted to put your scope back onto an eq-6. What about making altitude bearings and a Dob mount? That could be an easier option. What is the f/ number on it?
David


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Deep13
Carpal Tunnel
*****

Reged: 01/25/05

Loc: NE Ohio
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: DavidC]
      #5531030 - 11/20/12 08:57 PM

My 8" f/6 sonotube scope (9.5" overall diameter) is about the limit for my EQ6. A 12" will be too much for it.

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eyepiecedropper
member


Reged: 12/31/11

Loc: aschaffenburg, germany
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: Deep13]
      #5531512 - 11/21/12 04:38 AM

hi all + thanks for your replies.

the 300 pds has a focal ratio of f/5. i will give it a try and mount it on my eq-6. therefore ive ordered a losmandy saddle. the pds was delivered with a nice losmandy plate.

btw the sonotube 8"f/6. rides quite nicely on my eq-5. total weight is 10 kgs with tube rings. it has a very nice and smooth kineoptics hc-1 focuser.

regards, martin


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eyepiecedropper
member


Reged: 12/31/11

Loc: aschaffenburg, germany
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: eyepiecedropper]
      #5534901 - 11/23/12 05:51 AM Attachment (66 downloads)

setup on eq-6 without mirror assembly. the silver thingy under the ota is the first of the tube liners i will put -inside- the tube. the liner is made from 4mm styrofoam to get rid of the thermal mass of the steel tube. ill glue in old wiper blades inside on the other side of the drawtube as secondary baffles. vignetting is no problem since i will use this scope only for visual planetary observation.
even without the mirror this thing is very heavy to put it on the mount with one person.

regards, martin


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eyepiecedropper
member


Reged: 12/31/11

Loc: aschaffenburg, germany
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS [Re: eyepiecedropper]
      #5534902 - 11/23/12 05:54 AM Attachment (39 downloads)

the skywatcher 3" dovetail plate that came with the ota.

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Deep13
Carpal Tunnel
*****

Reged: 01/25/05

Loc: NE Ohio
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: eyepiecedropper]
      #5536062 - 11/23/12 06:52 PM

Huh. Where did you get that short peer and feet for the EQ6?

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eyepiecedropper
member


Reged: 12/31/11

Loc: aschaffenburg, germany
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: Deep13]
      #5537247 - 11/24/12 01:30 PM Attachment (41 downloads)

it works!

for visual it works better than i thought. focussing is not so bad with the fine focusser. dampening time is about 2 seconds.
this is a shortened skywatcher pier/tripod. shortening the pier as low as possible makes life a lot easier.


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eyepiecedropper
member


Reged: 12/31/11

Loc: aschaffenburg, germany
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: eyepiecedropper]
      #5537250 - 11/24/12 01:33 PM Attachment (32 downloads)

i used folded flocking paper for the secondary baffles. easy and stable.

Edited by eyepiecedropper (11/24/12 01:39 PM)


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dvb
different Syndrome.
*****

Reged: 06/18/05

Loc: Vancouver, Canada
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: eyepiecedropper]
      #5540490 - 11/26/12 03:15 PM

Impressive!

I had the 10" (254 mm) Skywatcher. Tricked out with rotating rings it was 45 lb. (20 kg). A Skywatcher EQ6 Pro handled it impressively.

I'm sure the 12" (300 mm) Skywatcher OTA weighs significantly more than the 254mm- but I wouldn't count the EQ6 out, especially if you can keep the weight of accessories down.


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eyepiecedropper
member


Reged: 12/31/11

Loc: aschaffenburg, germany
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: dvb]
      #5542048 - 11/27/12 12:42 PM Attachment (36 downloads)

hi, if someone is still interested...
here is the cooler made from a kitchen bowl with 120mm ultra kaze cooler. 133cfm at 3000rpm. new barbell weights.


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eyepiecedropper
member


Reged: 12/31/11

Loc: aschaffenburg, germany
Re: BAMBI vs. GODZILLA - new Skywatcher 300PDS new [Re: eyepiecedropper]
      #5542051 - 11/27/12 12:43 PM Attachment (29 downloads)

the cooler attached only with a snug fit, holds well...

Edited by eyepiecedropper (11/27/12 12:49 PM)


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