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HelicopterMain Discussion › Caliber 4
08-10-2017 11:42 PM  69 days agoPost 1
OuttaControl

rrVeteran

Springfield, Missouri -United states

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Just wanted to show you guys my depron foam canopy. I couldn't find one that would fit it so I made one. Not spectacular but it'll work for now.

Mine fall down, went BOOM!!

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08-10-2017 11:49 PM  69 days agoPost 2
EEngineer

rrProfessor

TX

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Nice....one piece?

There's an article in this month's AMA Model Aviation magazine about how a guy makes curved fuselages using many pieces....and his techniques in doing it.

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08-11-2017 12:06 AM  69 days agoPost 3
OuttaControl

rrVeteran

Springfield, Missouri -United states

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Canopy

No I used 7 pieces of flat depron foam.

Mine fall down, went BOOM!!

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08-11-2017 12:10 AM  69 days agoPost 4
EEngineer

rrProfessor

TX

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How do you paint it...or apply the finish?

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08-11-2017 12:50 AM  69 days agoPost 5
OuttaControl

rrVeteran

Springfield, Missouri -United states

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Paint

I used Testors model paint. I still have to spray some clear on it. I also used Sharpie markers on it.

Mine fall down, went BOOM!!

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08-11-2017 12:53 AM  69 days agoPost 6
Chuck Bole

rrElite Veteran

Tulsa Ok. U.S.A.

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Nice work on the home brew canopy Outta Control.

And i'll have to look at that article. Thanks for the heads up EEngineer.

Team Synergy Field Representative / Thunder Power

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08-11-2017 12:59 AM  69 days agoPost 7
EEngineer

rrProfessor

TX

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Hey, NP....

The guy's very good at it.....

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08-11-2017 01:01 AM  69 days agoPost 8
EEngineer

rrProfessor

TX

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"I used Testors model paint."

If you can get some "silkspan" from your LHS, you can apply it before painting.....it will act as a light weight filler so when you apply the paint, it will be much smoother....

Used it on planks before they came up with Monokote shrink covering.

FWIW

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08-11-2017 01:09 AM  69 days agoPost 9
EEngineer

rrProfessor

TX

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It's the August 2017 issue of the AMA Model Aviation.

The model is a Grumman Albatross float plane featured on the front cover. You can't even tell it's made that way.

By Keith Sparks, page 22.

Seems like heli canopies of all shapes could be fabricated in the same manner.

Might be great for scale type RC helis.....

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08-11-2017 01:28 AM  69 days agoPost 10
OuttaControl

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Springfield, Missouri -United states

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Silkspan

Hey EEngineer thanks for the tip. I was going to use Hobby Lite filler over all of it but it spreads like crap. I'm going to make another canopy and I'll try it. Thanks for the nice words Chuck!

Mine fall down, went BOOM!!

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08-11-2017 01:29 AM  69 days agoPost 11
OuttaControl

rrVeteran

Springfield, Missouri -United states

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Article

Hey EEngineer, could you provide a link to that article?

Mine fall down, went BOOM!!

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08-11-2017 01:31 AM  69 days agoPost 12
EEngineer

rrProfessor

TX

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You can lay the silkspan on in pieces with slight overlaps....

Even brush on some filler and then sand it.....to make it even smoother...

Then the paint and clear coat as needed. Use some masking tape for design application.

The skies the limit....

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08-11-2017 01:48 AM  69 days agoPost 13
JuanRodriguez

rrProfessor

The Villages, Florida

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Hey EEngineer, could you provide a link to that article?
I believe the AMA has their mags available electronically but you have to be a member and choose that option for the mag .......

You're not an AMA member ???

Been there, done that and old enough to know better.....

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08-11-2017 03:11 AM  69 days agoPost 14
EEngineer

rrProfessor

TX

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"Hey EEngineer, could you provide a link to that article?"

Here's the cover....and that's the plane that's made from Depron...

http://www.modelaviation.com/digital

Juan's correct, you have to be a member to view the article....

Maybe you have a friend that's an AMA member...

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08-12-2017 12:16 PM  67 days agoPost 15
Optech

rrKey Veteran

San Diego, CA.

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While I applaud the creativity seldom seen in RC Helicopters, couldn't you just order a canopy from RC-Japan? I think Kyosho's are called NEO in Japan now.

Mike

Viva La Airtronics!

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08-12-2017 01:59 PM  67 days agoPost 16
icanfly

rrElite Veteran

ontario

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nice first try.

I've been making my canopies of of eps foam for a more than a couple of years now and will do so after breaking an original instead of forking out bucks for ones that will crack easily in a crash. You still have to provide room inside for venting of the lipos/motor/esc so the foam can't be crammed up against them as I discovered early with a puffed lipo. I don't like the eps foam dust but it's a necessary undoing, paint with latex enamel, glue the thing back together again after a crash just like foamy planks. A thin outer layer of glue and thin fabric before paint would help the impact resistance.

Not everyone knows how to sculpt or is willing to learn.

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08-12-2017 03:50 PM  67 days agoPost 17
banshee rider

rrApprentice

n.e. illinois

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Optech
While I applaud the creativity seldom seen in RC Helicopters, couldn't you just order a canopy from RC-Japan? I think Kyosho's are called NEO in Japan now.
Mike
They are called Quest

http://www.rcjapan.net/index.php?ma...ipomr0li83qpd72

ageing is manditory maturity is optional

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08-12-2017 04:28 PM  67 days agoPost 18
OuttaControl

rrVeteran

Springfield, Missouri -United states

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Quest

I made the foam canopy because the stock one won't fit anymore due to the changes I made i.e. the FBL and the lipo placement. The Caliber 4 frame isn't designed for a lipo and there is only one place it'll fit and that interferes with the canopy.

Mine fall down, went BOOM!!

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08-12-2017 04:43 PM  67 days agoPost 19
OuttaControl

rrVeteran

Springfield, Missouri -United states

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Scale

EEngineer the scale thing is what I'm going to try next. Ive never built one before so who knows what I will end up with! Might look like something from Star Wars!

Mine fall down, went BOOM!!

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08-12-2017 05:26 PM  67 days agoPost 20
EEngineer

rrProfessor

TX

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OC, you really want to see that AMA magazine article....

The guy's a long time plank scratch builder....and he always comes up with these great techniques.

Basically, for your purposes, the guy would take a block of Depron.....a little larger than the canopy you'd want....length & width wise....

He would draw the canopy outline...a sideview & a topview....on the block.

Then "slice" the block into thin slices....like a loaf of bread..if you will....marking each so you know the order of how to fit them back as a whole again.

Then, hollow each slice to make room for the internal equipment.

And then glue the hollowed slices back together.....this allows you to precisely make room for the internals. And to determine how it would attach to your airframe.

Then, sand the outside to the shape of your canopy....smooth it further....then apply the finish.

Note*******

You could first shape the canopy as desired....then slice it.

This might avoid sanding through the surface when the canopy is shaped.

The key point of this method is that you can "hollow" out the canopy to fit the frame easily slice by slice....before putting the slices back to form the canopy as a whole unit.

Logo 600SXs, 700XX, 800XX

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