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« Reply #25 on: April 10, 2024, 03:55:55 PM »
Free Flight
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Looking very nice! you just sanded it?
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« Reply #26 on: April 10, 2024, 07:00:32 PM »
K K Iyer
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Looking very nice! you just sanded it?

Thanks sir.
Though not ‘just’ !
Balsa structure for holding motor, lipo and Esc, and cooling duct. And for the cowl.
Then clad with styrofoam. Wish I had some high density stuff. Instead, clad the styro with depron.
And then sanded.
Needed some effort to match fuselage front, cowl and spinner.

This time trying decoupage instead of glass!
The black strip is to spread the load farther back along the fuselage. It’s 0.5mm CF sheet I made last year...

E5D390C3-7FA6-400F-987C-36382555042A.jpg
Re: Fantasia resurrection
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« Reply #27 on: April 13, 2024, 03:33:52 PM »
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Masked and sprayed.
Just about passable, methinks...

I doubt I’ll ever be able to get a good finish on foam.
The best I could manage was on my Gentle Sharkface.
With 37 micron lamination film on depron (not styrofoam) and a mistcoat of silver acrylic spray.

CA013D65-6DED-4E02-9ADF-90EE6F3AF3D2.jpg
Re: Fantasia resurrection
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« Reply #28 on: April 14, 2024, 03:31:13 PM »
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Very pretty. Wish you the best on the next flight.

Did you heat seal the lamination film on the depron?

The film and paint, how much weight did it add?
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« Reply #29 on: April 14, 2024, 07:40:40 PM »
K K Iyer
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Very pretty. Wish you the best on the next flight.

Did you heat seal the lamination film on the depron?

The film and paint, how much weight did it add?

Thanks.
The Fantasia has no lamintion film.
In the previous rebuild, the front end was done in 18gsm glass cloth with finish cure epoxy.
This time decoupage!

The Sharkface has lamination film ironed on gently.
Film and spray added under 5gms.
Ready to fly with 360mah 2s lipo, it’s only 300gms.

I get 6 minutes using 50% capacity of the 360mah battery.
So avg current draw is 1.8amps.
So it flies on under 15 watts!

http://www.rcindia.org/gas-glow-nitro-planes/sharkface-undecided/msg320412/#msg320412
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« Reply #30 on: Yesterday at 04:43:33 PM »
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Motor sounded really rough.
Despite oiling the bearings, solid mount on 1/8” ply plus 1/4” balsa, and a balanced prop.
Perhaps the hollow nose area amplifies the sound.

So made some some dampers by punching holes in bits of inner tube...


EC447CFF-E247-43B4-9C0F-F3F283AD4278.jpg
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