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Old Nov 06, 2005, 12:18 AM
Lots foam, so little time
Depron Dave's Avatar
northridge California
Joined Oct 2004
1,164 Posts
Build Log
Navion-36"

I'm Designing/building this Ryan Navion for my father.
I think he soloed in one in the 50's.
He was my instructor in "full size" aircraft in my teen years (the 80's).
Hope you like it.
I think this is my first General Aviation design...cool.
Constructed out of 6mm depron.....of course.
Dave
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Last edited by Depron Dave; Mar 26, 2007 at 05:09 PM. Reason: top posting of pics
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Old Nov 06, 2005, 08:26 AM
Oops get the hot glue gun
FoamingInMI's Avatar
Lansing, Michigan, USA
Joined Sep 2004
1,240 Posts
Dave - Those Navions are sweet planes. Originally manufactured by North American Aviation, the P51 guys, they had the military designation of L17.

Here is a resource page that may be of interest: L17.org

I had a chance to fly as a backseater in a Chipmonk as part of a 3 ship formation with a couple of L17s earlier this year. You would never know those were 1940's airplanes. The 2 L17s and the Chipmonk belong to 3 guys from the Cascade Warbirds chapter of EAA.

Attached, are a couple of pictures from the flight, we spent an hour doing close formation flying including formation takeoffs & landings. Very cool!

Good luck with the plane, post some pics when you get started.

Gary D.
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Last edited by FoamingInMI; Nov 06, 2005 at 08:36 AM.
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Old Nov 09, 2005, 12:47 AM
Lots foam, so little time
Depron Dave's Avatar
northridge California
Joined Oct 2004
1,164 Posts
Great pics. Very green out there!
The build is going well.
The fuse keys together very straight( I love CAD)
Now I'm working on the vac u form bucks for the cowl and canopy
I am also thinking of making a flat bottom airfoil.
Most of my models are a 30% to 40% undercambered airfoil.
Trying to bake depron right now too.
DD
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Last edited by Depron Dave; Nov 10, 2005 at 01:00 AM.
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Old Nov 20, 2005, 11:43 PM
Lots foam, so little time
Depron Dave's Avatar
northridge California
Joined Oct 2004
1,164 Posts
Navion or L17 Foamie

Finished the prototype build as a display model for my Dad's 67th.
Goes together really fast and straight.
Ample power will be by a 350 c ratio with a two cell lipo.
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Old Nov 21, 2005, 05:38 AM
I'm not flying backwards!
Tony65x55's Avatar
Oshawa, Canada
Joined Sep 2004
3,753 Posts
Dave, it's gorgeous! I always thought the Navion was on of the handsomest GA planes ever made, almost P-51ish, and rarely modeled. Leave the undercambered airfoil in it and let it fly on the wing, it's not a fighter. I'm very impressed. Has it got landing gear? Is it full 3 axis control? Will fanfold work? Will you be releasing the plans so I can build one too?

Tony
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Old Nov 21, 2005, 06:16 AM
gpw
“There’s no place like Foam”
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United States, LA, New Orleans
Joined Jul 2002
24,126 Posts
What a Beauty !!!!! Looks like Dad's happy (and that's important )...Is there going to be a kit in the future .... ???? Sure is Nice !!!!!
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Old Nov 21, 2005, 08:49 AM
Krued Up
snolord1's Avatar
United States, MA, Springfield
Joined Jul 2004
4,503 Posts
i second that G.
i think this is one of the nicest looking plane that i've seen here.

good job Dave and definately keep us posted as to you intentions later on...kit,plans ect.

Angel
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Old Nov 21, 2005, 10:10 AM
Oops get the hot glue gun
FoamingInMI's Avatar
Lansing, Michigan, USA
Joined Sep 2004
1,240 Posts
Really nice Navion Dave! How about some construction details.

Good job!

Gary D.
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Old Nov 21, 2005, 11:33 AM
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JayJay76's Avatar
Stuttgart, Germany
Joined Oct 2004
944 Posts
Dave,

I have been eyeballing the Navion for some time. FROG kitted a model of the navion and free plans of it are available for a sheet model, but yours is much nicer looking. Are you going to share your plans? I would definitely build a 4 channel version with retracts.

j
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Old Nov 21, 2005, 11:46 AM
Registered User
Ithaca, NY USA
Joined Oct 2000
617 Posts
Gorgeous plane and workmanship Dave. The molded parts look great! Do you have compound curves in the fuse?

And Gary, you lucky guy getting to fly in a Chipmunk and in formation with Navions. Why don't you convince your friends to take a trip east so they can give me a ride?

Here's a link to plans for a slab sided sheet model of the Navion:
http://www.parmodels.com/Plans/jigtime.htm


-Bob
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Old Nov 21, 2005, 08:42 PM
JAM
MaxAmps CMO
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Nine Mile Falls, WA
Joined Jun 2004
4,402 Posts
Dave it turned out absolutly beautifuly very nice work.. You should be proud....I for one agree plans are a must........... please let us know either way.


It 's been a long time since I ve seen something that nice. and A cheap power setup even makes it better for most of us....Thanks for taking the time to construct a beauty like this...

TM
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Old Nov 21, 2005, 11:06 PM
Naturally altered
Joined Feb 2005
2,519 Posts
This model is absolutely superb. Great craftsmanship. You got to share some tips and tricks, document the building techniques (or risk being seen as a tease!)

(suscribing)
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Old Nov 22, 2005, 12:30 PM
Lots foam, so little time
Depron Dave's Avatar
northridge California
Joined Oct 2004
1,164 Posts
"You really like me"

Wow...thanks guys!
You have made my day,
Which will result in me being insufferably pleased with myself..(awgh)
Until my better half puts me back into my place.
Anyhow, I cheated on this one.
The canopy, cowl and turtledeck are vac-u-formed pieces.
The rest of the model is 6mm depron.
I'll post photos later today.
Again thanks for the enthusiasim...
it's the driving force behind this designer.
Depron Dave .
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Last edited by Depron Dave; Apr 09, 2007 at 07:49 PM.
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Old Nov 22, 2005, 06:21 PM
JAM
MaxAmps CMO
JAM's Avatar
Nine Mile Falls, WA
Joined Jun 2004
4,402 Posts
Hey the vac sections can easily be made from 2 inch dow foam................We need plans man....................The wife even said it looks nice and real...........

TM
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Old Nov 22, 2005, 08:00 PM
Lots foam, so little time
Depron Dave's Avatar
northridge California
Joined Oct 2004
1,164 Posts
I was thinking of maybe a partial kit,
Vac parts
baked wings
pdf plans
What do you think?
DD
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