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Equipment Discussions >> ATM, Optics and DIY Forum

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tcmzodiac
professor emeritus


Reged: 11/11/11

Humble DIY gadget that wont change the world! new
      #5519183 - 11/14/12 08:43 AM

DIY reticle illuminator. The junk bin strikes again! Plastic tube that used to hold an end mill. Air fitting end. Potentiometer from broken audio compressor.Mini switch and battery holder from the Shack.



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Mirzam
Post Laureate
*****

Reged: 04/01/08

Loc: Lovettsville, VA
Re: Humble DIY gadget that wont change the world! new [Re: tcmzodiac]
      #5519208 - 11/14/12 08:57 AM

Nice!

Moral of the story: Never throw anything away that might be useful for making a telescope thingy. (This includes pretty much everything).

JimC


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tcmzodiac
professor emeritus


Reged: 11/11/11

Re: Humble DIY gadget that wont change the world! new [Re: Mirzam]
      #5519218 - 11/14/12 09:03 AM

Indeed!

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glennnnnnn
sage


Reged: 10/20/09

Loc: San Diego, CA
Re: Humble DIY gadget that wont change the world! new [Re: tcmzodiac]
      #5519294 - 11/14/12 10:11 AM

Great Gizmo in a concise little package. Cool sort of funky-tech design.
(Also, what Mirzam said about never throwing anything useful away... I need more shipping containers!)
-Glenn


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tim53
Postmaster
*****

Reged: 12/17/04

Loc: Highland Park, CA
Re: Humble DIY gadget that wont change the world! new [Re: Mirzam]
      #5519306 - 11/14/12 10:23 AM

Quote:

Nice!

Moral of the story: Never throw anything away that might be useful for making a telescope thingy. (This includes pretty much everything).

JimC




Or as the late Peter Manly once said "anything that isn't nailed down or on fire is fair game for telescope parts"

Tim


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tcmzodiac
professor emeritus


Reged: 11/11/11

Re: Humble DIY gadget that wont change the world! new [Re: tim53]
      #5519330 - 11/14/12 10:45 AM

@ Tim...excellente'!

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Gastrol
Pooh-Bah


Reged: 11/04/11

Loc: los angeles
Re: Humble DIY gadget that wont change the world! new [Re: tcmzodiac]
      #5519483 - 11/14/12 12:37 PM

Nice see-through tube! Tu-be or not Tu-be...

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tcmzodiac
professor emeritus


Reged: 11/11/11

Re: Humble DIY gadget that wont change the world! new [Re: Gastrol]
      #5519529 - 11/14/12 01:18 PM

Thanks! One of the longer pill bottles would work I suppose. Would be neat to keep the prescription sticker on it (provided its not an embarrassing medication!)

"The Cialis Illuminator"...NOT!


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John Jarosz
Astro Gearhead
*****

Reged: 04/25/04

Loc: Fairfax, Iowa
Re: Humble DIY gadget that wont change the world! new [Re: tcmzodiac]
      #5519755 - 11/14/12 04:08 PM

Every time I throw out something that I've been 'saving' for eons, that guarantees I will have a need for it the following week.

Happens over and over. (I know, I should stop throwing thing out).


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tcmzodiac
professor emeritus


Reged: 11/11/11

Re: Humble DIY gadget that wont change the world! [Re: John Jarosz]
      #5519759 - 11/14/12 04:11 PM

It the convincing of the spouse that can be a challenge. "No way am I throwing out that _____!"

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Geo.
Carpal Tunnel
*****

Reged: 10/01/08

Loc: Upstate NY
Re: Humble DIY gadget that wont change the world! new [Re: tcmzodiac]
      #5525935 - 11/18/12 11:40 AM

Quote:

Air fitting end.




I've oft wondered what thread was used on these things. I'm assuming by "Air fitting end" you are using a fitting used to connect air hoses or such? Or is it a Schrader value?

If so, Schraders come in two threads: metric are 7.7 mm OD, thread root diameter is 6.9 mm × 0.794 mm pitch and imperial: 0.305 in OD, thread root diameter 0.271 in × 32 tpi (which really appear to be the same thread).


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droid
rocketman
*****

Reged: 08/29/04

Loc: Conneaut, Ohio
Re: Humble DIY gadget that wont change the world! new [Re: tcmzodiac]
      #5526288 - 11/18/12 02:55 PM

Just don't leave it on longer than four hours....

Nice job though, its amazing what people with enough imagination can create.


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Ed D
Carpal Tunnel
*****

Reged: 04/30/10

Loc: Sunny South Florida
Re: Humble DIY gadget that wont change the world! new [Re: tcmzodiac]
      #5526691 - 11/18/12 07:37 PM

Quote:

Thanks! One of the longer pill bottles would work I suppose. Would be neat to keep the prescription sticker on it (provided its not an embarrassing medication!)

"The Cialis Illuminator"...NOT!




HMMMMM...I wonder if you have to call your doctor if you observe for more than 4 hours?

Ed D


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tcmzodiac
professor emeritus


Reged: 11/11/11

Re: Humble DIY gadget that wont change the world! new [Re: Ed D]
      #5526708 - 11/18/12 07:45 PM

Quote:

Quote:

Thanks! One of the longer pill bottles would work I suppose. Would be neat to keep the prescription sticker on it (provided its not an embarrassing medication!)

"The Cialis Illuminator"...NOT!





Cymbal crash!

Its a very small 12v battery and the current draw is tiny. We'll see how long it lasts. As for the thread...havent measured it yet, but no prob. Im modding a 25mm Kellner (or erfle) to take the illuminator and an etched glass reticle; Ill just drill a hole and tap it to suit.

HMMMMM...I wonder if you have to call your doctor if you observe for more than 4 hours?

Ed D




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Luigi
Postmaster
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Reged: 07/03/07

Loc: MA
Re: Humble DIY gadget that wont change the world! new [Re: tcmzodiac]
      #5527944 - 11/19/12 01:20 PM

Nice.

FWIW, I just have a piece of Scotch magic tape over the illuminator hole in my finder and direct my red flashlight into it to varying degrees to control brightness, and/or waggle it to blink for seeing dim objects.


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