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Mar 06, 2006, 06:33 AM
Rock On- Damon Atwood
dag214's Avatar
Build Log

196" wingspan Vintage Electric Plane


Hello all.
Go to post 923 to see my New EII (Emmaselle II)

This started over 6 years ago as a gas project. It is now electric, and will be flying at SEFF 2010.
Rock On!

This will be flying by may.

All of the airframe was constructed from materials purchased at Home Depot, Menards, and the local lumber yard.

The power will be a 3-W 150

13 servos
2 recievers
4 batteries

More pics at:
www.atwoodaviation.net
Last edited by dag214; Nov 26, 2010 at 05:24 PM.
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Mar 06, 2006, 09:35 AM
Registered User
How much flying time does your pilot have?
Mar 06, 2006, 10:51 AM
Rock On- Damon Atwood
dag214's Avatar
She has about 2 hours on a sim. But she would push the weight over 55 pounds. My target weight is 52 pounds with fuel.

She just loves to sit in Daddys planes.
Mar 06, 2006, 02:54 PM
Registered User
Looks good. It will be great to see the rest of the build photos. It looks like your "pilot" will be needing a "trainer" before too long.

David DeLuca
Mar 07, 2006, 08:19 PM
Rock On- Damon Atwood
dag214's Avatar

My 3d renderings that I produced my drawings from


These are a few renderings I drew with 3ds max. It helped me create the auto cad drawings that I cut the kits from.
Mar 07, 2006, 09:13 PM
Registered User
Quote:
Originally Posted by dag214
She has about 2 hours on a sim. But she would push the weight over 55 pounds. My target weight is 52 pounds with fuel.

She just loves to sit in Daddys planes.
Way cool. @52-ish pounds, what's the wing loading?

Also be sure to add on board video for the maiden!

G'luck!
Mar 08, 2006, 05:04 PM
Rock On- Damon Atwood
dag214's Avatar
Power will be a 150cc 16.5Hp twin cylinder 2 stroke turning a 36 prop.

The Airfoil cord is 30 at 94 per panel= effective wing span is 188, true span is 196, M.A.C.# is 30, M.A.C. distance is 9, weight with fuel will be 864oz, wing loading will be 22.06oz/sq.ft, aspect ratio: 6.27.

She will fly like a trainer. I have plenty of power so I will be swinging a 36" prop.
Mar 08, 2006, 10:49 PM
Battery Junkie
wrenwright's Avatar
Quote:
Originally Posted by dag214
Power will be a 150cc 16.5Hp twin cylinder 2 stroke turning a 36 prop.

What are the details on your engine?
Mar 09, 2006, 06:02 AM
Rock On- Damon Atwood
dag214's Avatar
It is a 3W 150iB2-F-CS engine. I normally have a 32" prop on it but with this plane (slow and Low) I am going to put a big prop and not run it a full power. I had it on a 53 pound 1/2 pitts and it would go vertical out of sight. 3W says it has something like 65+ pounds of thrust so it is WAY to much power for my Vintage plane. I am going to run it at low RPM so it sounds more like a full scale engine.
Mar 09, 2006, 10:45 PM
Registered User
tailskid2's Avatar
Was your 'pilot' scratch-built

Jerry
Mar 10, 2006, 06:33 AM
Rock On- Damon Atwood
dag214's Avatar

More build photos


Most of my planes have been yank and bank/3D types. This will be a slow putt putt around type plane, but she will be fun to see in the air. It will have onboard FM wireless cameras, 3 of them.

And yes, the pilot was scratch built, she took about a 45 minutes to get going, then 9 months to bulid
Last edited by dag214; Mar 10, 2006 at 06:43 AM.
Mar 11, 2006, 07:07 PM
Rock On- Damon Atwood
dag214's Avatar

3W 150 going to have a 36" prop


My son Hunter with my 3W 150 engine.
Weight is 9.2 pounds
Was on my Pitts that weighed in at around 52-53 pounds.
Start so easy you have to see it to believe it.
I got this from Gerhard at Aircraft International, Inc. He is really a great guy to deal with.
Best running engin I have ever owned.
Mar 17, 2006, 07:04 AM
Registered User
Great project. Can you give us some details regarding materials used in construction e.g. wood used for stringers, formers and fuse sheeting. Also, you mentioned some design software you used. Can you provide some more details.

TIA,

Steve
Mar 17, 2006, 01:38 PM
Rock On- Damon Atwood
dag214's Avatar

What she is built from.


Thanks Steve,
Ribs-3/16" plywood from an old shipping crate
Fuse stringers-2X4 and 2X6 cut down on my table saw. Most of the wood I have stripped to 1/8" strips then laminated and it made the wood really strong, guess thats why they did it in the old days.
Ribs cap strips-1/16 ply from shipping create.
Fuse sides-same as ribs.

The design software I lucked into with my job, its call 3ds max. It cost about $3,500.00, it came with my job. If you can find a copy of it you can easily create the aircraft in 3-D then export it to Autocad then plot your drawings to build form.

More of my designs at my website:
www.atwoodaviation.net
Last edited by dag214; Apr 06, 2010 at 05:54 AM.
Mar 17, 2006, 02:51 PM
Registered User
Thanks Dag, info greatly appreciated.

Regarding the design software, I have a Thule box on top of my car that's large enough for most of my planes but not long enough for some new sailplane wings, need something that will accommodate 95" of length. Was thinking that some sort of simple design software would allow me to layout a new Thule style design then create some formers to size that could be outputted to a printer. I would use these paper outlines to cut out plywood formers, fill in the spaces in between with foam blocks, shape the blocks to the contours of the formers to create a full size plug from which to make a fiberglass Thule to the length I need.

Maybe there's any easier approach to this...any ideas? I've considered a simple Sonotube with plugs at both ends but they just don't hold very much.

TIA,

Steve


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