Pitcairn PA36 in EPP - RC Groups
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May 23, 2017, 03:47 AM
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Pitcairn PA36 in EPP

Did the first flight with my new EPP Pitcairn PA36 yesterday and wanted to share a few pictures with the community.
Testhüpfer PA36 (1 min 4 sec)

The dimensions are roughly matching the successful Whippit, but I built the fuselage from formed EPP sheets. Parts of the rotorhead and the blades are leftovers of my first autogyro.
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May 23, 2017, 04:28 AM
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britinoz's Avatar
Nice project...
I like the head set up.
May 23, 2017, 06:47 AM
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Thanks Chris,
nothing very special about the rotorhead. I thought it was pretty strait forward rebuild of the HK rotorhead, but I have never seen one of those live.
Rotorhead (0 min 15 sec)

btw. the ball joints are to close together I had to reduce aileron throw to 50% after the first test. You see how sensitive it was in the video. To regain servo travle I need to move them further apart.

Below are a few pictures of how I built the hull halvs. I wraped a 0,8-1cm EPP sheet with the help of a kitchen cloth and staples over a positiv mould. After this I "backed" it in the oven for 25min an 115C and let it cool down afterwards. When the cloth was removed I got perfectly formed hull halves, which I glued toghether with HK "mucilage" (great stuff for EPP) and fitted the hull with wood elements to support mast, undercarriage and electronics.
May 23, 2017, 07:58 AM
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Jockadopolus's Avatar
Good looking model
Love the technique to make the fuselage need to have a go at cooking with epp in the future
May 23, 2017, 04:56 PM
It's all in the Blades!
SafeLandings's Avatar
Now that's clever
May 23, 2017, 08:40 PM
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Great job, not sure I'm ready to cook with epp yet though.
May 24, 2017, 03:44 AM
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britinoz's Avatar
G'day Werner
You like this method of building...because I can remember you making a PA 36 a few years ago and a small two blade Calidus.
I'm afraid that" her indoors" would not appreciate the oven being used in such an manor.
Happy Landings

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