The Comet Stinson SR-7 - Another Free Flight conversion project - Video Addeded - Page 8 - RC Groups
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Oct 02, 2010, 06:19 PM
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Wow, love the details Paul. Beautiful job.

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Oct 03, 2010, 12:17 AM
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PaulBrad's Avatar
Thanks Fritz and Prime_8. I sure do wish the wind would quit blowing.

Paul Bradley
Oct 10, 2010, 09:51 PM
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A combination of decent flying weather and availability of someone to take video has given me an opportunity to post a video of the Comet Stinson SR-7 flying. This was taken late in the day when the wind died down to an acceptable level so lighting is not as good as video taken in bright sun light.

I want to thank my brother Ralph for running the camera.

Comet Stinson SR-7 RC.wmv (3 min 16 sec)

Paul Bradley
Last edited by PaulBrad; Oct 10, 2010 at 09:59 PM.
Oct 11, 2010, 02:14 AM
Building toys since 1941
And I thought it was beautiful setting on the ground. It is even more beautiful in flight. GREAT JOB.
Oct 11, 2010, 02:35 AM
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Some stuff leaves me speechless ... this is one of them :-) Nice job!!
Oct 11, 2010, 02:45 AM
Lawn dart pilot/builder
Prime_8's Avatar
very cool.

has a wodner full scale look and feel in the air .

I loved seeing your "guts" board , in action . it make so much more sence to me having watched you take it out and back in . .
as i was looking for a modular pod like idea . extra cool
Oct 11, 2010, 03:31 PM
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I certainly appreciate the positive comments about the model. It has been a fun project and hopefully the model will be able to provide many satisfying flights well into the future.

Paul Bradley
Oct 11, 2010, 05:04 PM
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ckreef's Avatar
Awesome video and the take off run was what 12" - 18" very nice
Oct 11, 2010, 05:05 PM
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glewis's Avatar
Excellent! And it flies as good as it looks!
It looks to fly nearly the same as my enlarged version with plenty of rudder authority.
The equipment tray/magnetic pushrod attachments are brilliant!

Oct 11, 2010, 08:32 PM
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how do you get the tissue to go through your printer and where did you get the graphics thanks jmn
Oct 11, 2010, 09:59 PM
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PaulBrad's Avatar
Thanks ckreef and Glenn. I appreciate your kind comments.

zzcutter - The process I use to print on tissue is covered on my web site. Go to and then to the Techniques and References section. You will find my approach described.

I drew the graphics using CorelDraw based on several photos I found on the Internet. The main photo I used is of the actual aircraft that carries license number NC15173. A number of photos of another Stinson Reliant with a very similar color scheme were also used to help clarify anything that was not clear in the main photo.

Paul Bradley
Oct 12, 2010, 03:54 PM
derk's Avatar
way cool video Paul!
how does your tray stay in the fuselage, is there another set of magnets in the nose and on the dummy engine?
Oct 12, 2010, 08:41 PM
Lawn dart pilot/builder
Prime_8's Avatar
yeha , i'm interreste din the 'guts' tray as well.
i figure something must hold it so push rods can push against something.
just very cool to see it .
- good for builders like me who can't be happy with just one , but not enough $ to put a brick dedicated to each LOL
Oct 12, 2010, 09:40 PM
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derk - A pair of magnets are used to retain the equipment tray. One is mounted at the top of the radial engine disk, and the companion in the front cowl former. Those magnets are 1/4" in diameter and 1/16" thick. They have way more than enough holding force to keep everything in place when the motor is running. Take a look at the photos included with post #20. One shows the tray part of the way out of the nose when the model was still in the bones stage. You can see the magnets that are mounted in the engine disk and the front of the cowl.

Small rare earth magnets are a micro modeler's best friend.

Paul Bradley
Oct 12, 2010, 10:30 PM
Lawn dart pilot/builder
Prime_8's Avatar
ace . very cool.

& just the ticket for a few ideas i had to build .

looking at the nice scale flight of your bird , it seems perfect.
also looks like upgrades to power trian are easier to LOL .

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