Truss Dob #2 (Return of the GSO)

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Chopin
Post subject: Re: Truss Dob #2 (Return of the GSO)
Posted: Wed Oct 25, 2017 9:44 am
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The new truss connections are rock solid! And actually quite a bit easier to install in the field . Very happy with the end result. On the second night of testing I was planning a long session, but was thwarted by dew. I don't get too many nights without a breeze, so it's typically a non-issue. However, there was super steady seeing in the sky that evening and I broke down the scope early, suffering great sadness. :lol:

Anyway, that leads me to the next fix...active dew prevention.

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Erik
Post subject: Re: Truss Dob #2 (Return of the GSO)
Posted: Mon Nov 06, 2017 2:39 pm
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I seem to remember someone on CN talking about putting their mirror in the fridge prior to observing. Have you ever tried that? Just curious. Not sure a big mirror would FIT in the fridge.

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-Erik Wilcox
Homebuilt 16" Truss Dob
8" Antares f/5 Newt
SV 80mm ED Nighthawk NG on M1 ALT/AZ
Nikon Prostaff 65mm spotter on Trekpod
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Chopin
Post subject: Re: Truss Dob #2 (Return of the GSO)
Posted: Tue Nov 07, 2017 4:20 am
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Sounds logical, although I should have clarified. The primary was fine, and I do have a fan to keep things moving there, so no freezer needed. The problem was with the secondary and eyepiece. I think they need heat to combat the aggressive drop of the dew point.

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Jason® (Admin...and spoke-folk)
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Single ride personal records: Distance-76.7miles, Max Speed-50.4mph, Max sustained speed (20miles) 19.5mph
“Life is like riding a bicycle. To keep your balance, you must keep moving.” ― Albert Einstein


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Erik
Post subject: Re: Truss Dob #2 (Return of the GSO)
Posted: Fri Nov 10, 2017 2:52 pm
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Oh, I see. Makes sense. So primary goes in the fridge and secondary goes in the oven. :lol:

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-Erik Wilcox
Homebuilt 16" Truss Dob
8" Antares f/5 Newt
SV 80mm ED Nighthawk NG on M1 ALT/AZ
Nikon Prostaff 65mm spotter on Trekpod
Konusvue 20x80 binos/Peterson PipeMount


"Newt Gingrich is what stupid people think smart people sound like."
-The Great Paul Krugman

Evolution is both fact and theory. Creationism is neither. -Anonymous


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Chopin
Post subject: Re: Truss Dob #2 (Return of the GSO)
Posted: Fri Nov 10, 2017 9:35 pm
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Hahaha :lol:

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Jason® (Admin...and spoke-folk)
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Single ride personal records: Distance-76.7miles, Max Speed-50.4mph, Max sustained speed (20miles) 19.5mph
“Life is like riding a bicycle. To keep your balance, you must keep moving.” ― Albert Einstein


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