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Nov 17, 2010, 10:42 PM
QuAd FaNaTiC
Razors edge 29's Avatar
hey that looks pretty cool

best of luck on maiden


Quote:
Originally Posted by I R Irv
Finally finished it but yet to maiden. All 2mm Depron colored with Sharpies. 11'' span 12'' at the elevons tips and 12'' long. AP03-4000kv and a XP-7A esc using a 2-cell Hyperion 120's pushing a 5030 prop. Hope it flies better than the Elevon Sumo with the BL setup and can't wait for calm weather. I wish I went with 3mm Depron because it makes a much stiffer airframe.
TODD
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Nov 20, 2010, 07:46 PM
Biplanes and Helicopters
AtomicPunk's Avatar

Vapor Moth


There are some NICE planes on this thread!
Here's my submission:
1 & 2mm Depron Tiger Moth, Vapor Motor and Brick, AUW 1-1/8oz (32g)
Wheels made from Renshape and Poron Cord
Wings molded in hot water over a balsa form
Fuse molded with steam over a balsa form
Epson Inkjet printed tissue covering, adhered with Elmers Spray Adhesive.
Molded Cowling
Video Here:
Vapor Moth (1 min 51 sec)

It could use a little more power, currently running a 130mAh LiPo, I may buy a Piper Cub Motor to perk the lil' guy up some.

Simon
Nov 20, 2010, 08:38 PM
Addicted to building...
Freddie B's Avatar
Nice work on the Tiger Moth! The Molded Cowel is great. Did you make a plug and vaccume form it? Any idea on your final weight, wingspan, or othe data?

Thanks

Fred
Nov 20, 2010, 08:46 PM
Registered User
Awesome job! Great scheme too...

Pete
Nov 20, 2010, 09:32 PM
Weni, wedi, Java...
Brent Slensker's Avatar
Wow!
Nov 21, 2010, 09:27 AM
Biplanes and Helicopters
AtomicPunk's Avatar

Thanks!


Brent, Pete, Fred,

Thanks for the comments. The Moth was fun to build, that is when I wasn't fat-fingering some tiny little part
The wingspan is 18", weight 1-1/8oz. (32grams). Fuse is 1mm Depron, Wings are 1mm, tail is 2mm. 3M tape hinges, landing gear from 1/32" (~1mm) carbon rod and music wire, held together with heatshrink.
The bulkhead reinforcements are 1/32" balsa. I had to put them in because I buckled the foam bulkheads just holding onto the darned thing while working on it!
The cowl is vac-formed over a balsa and ply plug. Pics below.

Simon
Nov 21, 2010, 05:09 PM
Nothing flies like a Pitts
Meshuggah's Avatar
Simon: The tiger looks Reeeeeaally good! And the cowl is just flawless! Nice flat pattern technique, i do it the same way but in the 3d ap.
Nov 21, 2010, 05:16 PM
Biplanes and Helicopters
AtomicPunk's Avatar
Quote:
Originally Posted by Meshuggah
Simon: The tiger looks Reeeeeaally good! And the cowl is just flawless! Nice flat pattern technique, i do it the same way but in the 3d ap.
Thanks Meshuggah,

I didn't have any large sheets of PET in .015" (.3mm) so I had to get creative on the pattern. Plus when you form parts end-to-end there is far less chance of webbing, with the added advantage of the aft edge of the part maintaining good material thickness.

I bought a crashed SU-26 and I'd like to do a 22"-24" Fieseler Storch using the same techniques as the Vapor Moth.

Simon
Nov 21, 2010, 05:19 PM
Addicted to building...
Freddie B's Avatar
Simon,

Thanks for all the pictures of your details. Tiny planes are fragile when building, but surprising how strong once built.

Fred
Nov 21, 2010, 05:24 PM
slow climbing turn to the left
Wow!
Beautiful colour scheme. How long did construction take?
Nov 21, 2010, 05:54 PM
The new guy
Wow, looks like that Moth flies beautifully. Or maybe it's just skilled hands on the controls.
Nov 21, 2010, 06:20 PM
QuAd FaNaTiC
Razors edge 29's Avatar
looks fantastic

i am surprised though, that the Vapor motor pulls that much weight around.



Quote:
Originally Posted by AtomicPunk
There are some NICE planes on this thread!
Here's my submission:
1 & 2mm Depron Tiger Moth, Vapor Motor and Brick, AUW 1-1/8oz (32g)
Wheels made from Renshape and Poron Cord
Wings molded in hot water over a balsa form
Fuse molded with steam over a balsa form
Epson Inkjet printed tissue covering, adhered with Elmers Spray Adhesive.
Molded Cowling
Video Here: http://www.youtube.com/watch?v=s5zqLnXOzFo
It could use a little more power, currently running a 130mAh LiPo, I may buy a Piper Cub Motor to perk the lil' guy up some.

Simon
Nov 22, 2010, 07:06 AM
Registered User
Petefoss's Avatar

Teeriffic Mig-29


I updated my Teeriffic Mig29. I have the larger one too and really missed the active rudder on the small one. So I took out the AR6300 and put in a 6400 with the rudder attached to the brick. The ailerons and tail surfaces are run as flaperons + I mixed elevator to flap on PMIX5 so the trims pass through.
Nov 22, 2010, 09:16 AM
Biplanes and Helicopters
AtomicPunk's Avatar

Thanks for the Comments


Fred, you're right about how much stiffer they get once assembled. Now if I could only get some micro fingers to put 'em together!

DHD - Thanks, the color scheme is from one of the Moths from the Old Shuttleworth Collection, airliners.net has lots of pics. Construction took about three weeks. The molded wings really speed things up.

Chris, the Moth is quite easy to fly, like all RC moths. Lotsa dihedral plus sweep and generous tail moment with fairly large control surfaces. Thanks.

Razor - The model is marginally powered at best. I twisted more pitch into the Vapor prop and used a larger battery. You kinda have to plan your climbs and manage your airspeed. That's why I want to put the Cub motor in. The wing area is about 85" sq. so the wing loading is under 2oz/ft sq.

Pete - Outstanding job on the '29. Nice color scheme, looks fast!

Simon
Nov 22, 2010, 10:57 PM
Registered User
Nooflyer's Avatar
Here's my scratch built Yak 55M.
It has all the electronics from the Parkzone P-51( which was torn to shreds).
But I've just put it together a week ago and finally maiden this lil pup in a lit parking lot! I can only fly this thing at night because Kansas weather is very unpredictable!

AUW= 30.5 minus battery
i want to add some night led lights on it but don't want to add too much weight!
Flown 5 batteries with the yak and i say I'm in love now! Enjoy


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