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ASW-15B Landing gear sub-frame part number. by Dick
[15 October 2018, 06:51]

Competition preparation and sealing by Giancarlo
[08 October 2018, 11:35]

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Author Topic: Competition preparation and sealing  (Read 1720 times)

Offline jcfx11

  • Bronze Member
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  • Posts: 1
Competition preparation and sealing
« on: 14 November 2017, 09:23 »

I'm looking into sealing a 15b better, eg, it has a noisy canopy, a cg hook and an aerotow hook, poorly fitting U/C doors, I might consider mylar seals on the ailerons and the rudder and so on.

Has anyone looked at or done similar work and could you give me info on how you tackled the work.



Offline TheFabulousX1

  • Bronze Member
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  • Posts: 2
  • Registration number: OE-0862
  • Call sign: X1
  • Stationned at airfield: LOXT
Re: Competition preparation and sealing
« Reply #1 on: 21 January 2018, 17:06 »
Hi John,

I have mylar seals on ailerons and rudder with teflon sealing below it; standard fabric band (outer slots) and mylar (inner slot) at the gear doors.
In my opinion, tight sealing and mylar on the ailerons is an absolute "must have" on composite gliders, it defintely pays. Mylar is important preventing cross-direction airflows within the small gap between wing and aileron.

Please have a look here:
(scroll down for installation instructions)

For the cg hook I would recommend a flexible sealing made of kite-cloth on the inside. (I have only aerotow-hook, which I sealed by a flexible rubber plate with a slot in the middle on the outside; inside sealing made of kite-fabric is under construction ;-)

Best regards
« Last Edit: 21 January 2018, 21:28 by TheFabulousX1 »

Offline Giancarlo

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  • Posts: 44
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  • Call sign: EOS
  • Stationned at airfield: Rieti - Italy
Re: Competition preparation and sealing
« Reply #2 on: 08 October 2018, 11:35 »
Hi all,
I'm not interested (yet) in competition (maybe in the future...), but I would like some advice for achieving best results in xc flying.
Apart from sealing and c.g. setting (mine is quite on the rear side of the range), is there any other action to be taken to maximize performance?
Thanks for any answer and have nice landings!
« Last Edit: 08 October 2018, 11:37 by Giancarlo »