Doughlas A1 H Skyraider 1:12 Video Built Threat - RC Groups
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Aug 21, 2010, 05:58 AM
Build it again, Sam!
Harpye's Avatar
Build Log

Doughlas A1 H Skyraider 1:12 Video Built Threat

Ok guys, the decision is made!

After my attempt to document my way to build warbirds during my activities of the last ( Mig 3) Workshop, I recognized that I

-first did not have the right software to create HD Movies for youtube
-secondly was too busy to engage in real time support with the participants
-third is that youtube HD was not that far

Now I decided to build another bird form 6mm depron ... BIGGER
and more detailed.

And my target is t to make an over all video documentation as a guideline
for others which would like to follow....
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Aug 21, 2010, 06:01 AM
Build it again, Sam!
Harpye's Avatar


shortly to specify my target:

Douglas A1 H Skyraider

Scale 1:12

Wingspan 1,28 m

Weight if structure 700 / 800 Gram

Target is to install retracts if I only could find light 90 types
Aug 21, 2010, 06:03 AM
Build it again, Sam!
Harpye's Avatar


The first step is allways the skin design..

I want to get a proposal before I decide to cut the first parts
It took ma rauound one day to define the coarse curves of the "Lady"...
should be rather a monster....

A1 H Skyraider Surface Model (9 min 15 sec)
Aug 21, 2010, 06:07 AM
Build it again, Sam!
Harpye's Avatar

Fuse - Inner Structure

Second is that I engage into the fuses inner structure

Necessities for this are:

-a defined accu position
-same for the servos , esc , RX
-third is to get a good structural connection between the wing and the fuse as the motor

A1 H Skyraider Inner Structure (9 min 59 sec)
Aug 21, 2010, 06:11 AM
Build it again, Sam!
Harpye's Avatar

Assembly of The Inner Structure

As soon as the struture is detailed and printed out I usually can't wait to get the first parts. So I performed a pre assembly test - changed some smaller things and set up the skeleton

A1 H Skyraider Inner Structure (10 min 0 sec)

Sorry about my poor lingual attemps, but as English is not my mother thoung
I have rather problems with concentrating on the built - at the same time as on explaining the steps I recently do... Hope you will understand ....
Aug 21, 2010, 06:13 AM
Build it again, Sam!
Harpye's Avatar

Fuse Tool Assembly

one of the main things of my method is the fuse tool which allows to create Skin shells for the fuse like they are made for a revel model....

Quite some effort but it pays as you will see in the next steps...

A1 H Skyraider Tool Fuse (5 min 9 sec)
Aug 21, 2010, 06:16 AM
Build it again, Sam!
Harpye's Avatar

Fuses Shells

Next step is usually to tightly wrap the fuses tool with a tape - armed sheet of Depron...

A1 H Skyraider Fuse Skin Shell (9 min 50 sec)
Aug 21, 2010, 09:17 AM
Build it again, Sam!
Harpye's Avatar

Fuse Shell Fixation And Cut - Trimming

Fixing the parts form with heat and afterwards cut - trimming the part from the tool

A1 H Skyraider Heating And Cutting of The 1st Fuse Shell (6 min 54 sec)
Aug 21, 2010, 09:50 AM
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MIGl7's Avatar
Great stuff! Subscribed

Aug 22, 2010, 04:16 PM
Build it again, Sam!
Harpye's Avatar
Thanks Steve!!

Had some free hours and managed to manufacture the second shell ... little teaser for in between the videos...

And another one about hte cowling ( as soon a s YT finished calculation)

A1 H Skyraider The 1st Half Cowling (10 min 0 sec)
Last edited by Harpye; Aug 23, 2010 at 01:11 PM.
Aug 23, 2010, 01:20 PM
Build it again, Sam!
Harpye's Avatar
And one part more in the loose assembly

Of course there also would be a possiblilty to create the cowling as vac formed part or from composite .... but I decided to show you the variant related to my technique .... alternatives are your modification
Aug 23, 2010, 02:10 PM
Wannabe B-26 pilot!
Matt Halton's Avatar
This is great, thanks for taking the time to share the techniques.

Very interesting
Aug 23, 2010, 05:13 PM
Build it again, Sam!
Harpye's Avatar
As long as it helps some of you guys a step further, it is worth taking the effort once !

Euuuuh .... yes ... this technique also works for British warbirds..... :Beer !
Aug 26, 2010, 12:47 AM
Oh Yeah!
SteveC68's Avatar
Does the tape eventually get removed from the depron?
Aug 26, 2010, 01:13 AM
Registered User

A1 skyraider

U sir have the talent ...and patience I only dream of having..very nice work,c`ant wait to see the final product,a park size A1 has long been overdue,like others on RCG I was hoping that E-flite or Park zone would offer one..but hey,I can still dream.Will u offer it as a kit?

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