This appears to fit the bill:
http://www.lasaero.com/las/30?part=DTD5531-60
10mm very soft silicone P seal which compresses easily to 3mm
They sent me a sample but I haven't bought the full length yet.
Cheers,
Roger
On 7 May 2007, at 09:09, William Mills wrote:
> <william@wrmills.plus.com>
>
> If anyone in the UK finds a suitable lightweight compressible
> strip, please let us know the source and the material spec.
> The ailerons can be sealed by flexible adhesive tape placed over
> the underside gap along the hinge line with the aileron in the full
> up position (so as not to restrict any movement).
> Regards,
> William
>
>
> ----- Original Message ----- From: "Tony Krzyzewski"
> <tonyk@kaon.co.nz>
> To: <europa-list@matronics.com>
> Sent: Monday, May 07, 2007 1:44 AM
> Subject: RE: Europa-List: Re: Flap Seals
>
>
>> <tonyk@kaon.co.nz>
>>
>>>>
>> Of course even when the flap is retracted, some air will find its way
>> up thru the gap between the leading edge of the flap and the vertical
>> face of the wing closeout, and it is this airflow which one wants to
>> eliminate in order to enhance cruise efficiency.
>>
>> If this is so, it would seem that another way to get this increase in
>> cruise efficiency might be to install a compressible strip which
>> would
>> close the gap when flaps are retracted but allow airflow over the
>> flaps
>> when they are deployed, thus maintaining the short field
>> characteristics of the aircraft which, if I understand you correctly,
>> have been changed. <<
>>
>> Adding compressible strips in the flap closeout was suggested to
>> me some
>> time ago by a person with many years of aeronautical design
>> experience.
>>
>> The key is to close the airflow from lower to upper surface during
>> cruise but to ensure that the lower to upper airflow over the flap
>> remains per the design spec when the flaps are down.
>>
>> This is quite easy to achieve by adding some light doorstop strip
>> into
>> the flap closeout and, in many cases, will have already been
>> achieved on
>> the port side if the pitot/static lines were run in the flap
>> closout as
>> part of a retrofit.
>>
>> Tony
>>
>>
>>
>>
>>
>>
>>
>>
>>
>>
>> --
>> 10:34
>>
>
>
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