-
- Administrator
-
-
Before your membership becomes valid, you will receive an email that must be answered.
Please check your spam folder or this email.
Schleicher ASH31 4m
-
- Posts: 126
- Joined: 28 Oct 2021, 14:36
- Location: Essex
Re: Schleicher ASH31 4m
Youth
Cut down the wing joiner to length and sanded down to required thickness, then put another coat of resin on.
Cut down the wing joiner to length and sanded down to required thickness, then put another coat of resin on.
-
- Posts: 126
- Joined: 28 Oct 2021, 14:36
- Location: Essex
Re: Schleicher ASH31 4m
The fuselage sheeting hasn't given me the nice shape I want, so having to fill (and will then sand down to a nice smooth finish).
This filler is really light/fine and sands easily.
With hindsight, some intermediate formers & stringers would have helped.
This filler is really light/fine and sands easily.
With hindsight, some intermediate formers & stringers would have helped.
-
- Posts: 20
- Joined: 08 Oct 2021, 20:22
- Location: Way down there
Re: Schleicher ASH31 4m
Hi Martin,
Interesting how the distances between the formers and stringers look quite reasonable on your plan - I'm surprised.
Interesting how the distances between the formers and stringers look quite reasonable on your plan - I'm surprised.
-
- Posts: 126
- Joined: 28 Oct 2021, 14:36
- Location: Essex
Re: Schleicher ASH31 4m
I sanded down the filler and the shape is much smoother, still some areas to be reshaped but will do those when the top has been glassed.
Before I do that, the wings roots need to be lined up & bonded in - i used the wing-joiner & the location pins to make sure it all aligned.
Before I do that, the wings roots need to be lined up & bonded in - i used the wing-joiner & the location pins to make sure it all aligned.
-
- Posts: 126
- Joined: 28 Oct 2021, 14:36
- Location: Essex
Re: Schleicher ASH31 4m
The tailfin gets a bias skin of 25gsm glass on each side, before cutting & fitting to the fuselage.
To keep it light, I absorbed excess resin with a paper towel.
To keep it light, I absorbed excess resin with a paper towel.
-
- Posts: 126
- Joined: 28 Oct 2021, 14:36
- Location: Essex
Re: Schleicher ASH31 4m
As mentioned before, the elevator will have a live hinge - the Kevlar is 60gsm on the bias (I rolled the fabric to flatten it as much as possible).
Spray with adhesive & allow to cure before cutting the strip.
A 12mm wood chisel is used to make a depression in the foam, ready to accept the Kevlar, fixed in with 3m 75.
The spar cap is made up of multiple lengths of 80gsm uni-carbon, folded lengthways. Inserted into wing depression.
Spray with adhesive & allow to cure before cutting the strip.
A 12mm wood chisel is used to make a depression in the foam, ready to accept the Kevlar, fixed in with 3m 75.
The spar cap is made up of multiple lengths of 80gsm uni-carbon, folded lengthways. Inserted into wing depression.
-
- Posts: 20
- Joined: 08 Oct 2021, 20:22
- Location: Way down there
Re: Schleicher ASH31 4m
Your progress is impressive - should be flying by the first weekend of 2022!
-
- Posts: 126
- Joined: 28 Oct 2021, 14:36
- Location: Essex
Re: Schleicher ASH31 4m
Still lot's to do, but it's certainly taking shape nicely.
-
- Posts: 126
- Joined: 28 Oct 2021, 14:36
- Location: Essex
Re: Schleicher ASH31 4m
Cut the rudder off the tailfin and trimmed for a trial fit to the fuselage.
Seems to line up nicely, vertically & lengthwise.
Seems to line up nicely, vertically & lengthwise.
-
- Posts: 126
- Joined: 28 Oct 2021, 14:36
- Location: Essex
Re: Schleicher ASH31 4m
Added the balsa sheeting above the wing roots and then glassed the top surfaces (100gsm bias).