Re: Re: New AMA F1D Cat I Record

From: William D. gowen <wdgowen_at_gmail.com>
Date: Tue, 27 May 2014 14:28:29 -0400

http://www.freeflightsupplies.co.uk/

Russian Unidirectional Fabric
.08mm and .012mm x 210mm wide


On 5/27/2014 2:22 PM, Phedon Tsiknopoulos phedon21t_at_yahoo.com
[Indoor_Construction] wrote:
> Where do you get this Mike Woodhouse carbon strings or strands from
> cloth. Do you have the source, or anyone else?
> Ciao, Phedon.
>
> Sent from my iPhone
>
> On May 27, 2014, at 6:29 AM, "mkirda_at_sbcglobal.net
> <mailto:mkirda_at_sbcglobal.net> [Indoor_Construction]"
> <Indoor_Construction_at_yahoogroups.com
> <mailto:Indoor_Construction_at_yahoogroups.com>> wrote:
>
>> Hi Linardic.
>>
>> Since Nick hasn't responded, I'll try to answer.
>> I've seen Nick's F1D and we talked about this some.
>>
>> He used some of the Russian Unidirectional cloth sold by Mike
>> Woodhouse. (CST's stuff cannot be separated easily.)
>> He separates strands from the fabric and uses (IIRC) Ambroid to
>> attach it to the wood.
>> The way I understand this is that two jigs are required.
>> One concave, one convex. The outline is built flat. I don't know if
>> he uses temporary spacers or not.
>> The outline is wetted and put down on the 'hill' jig. When dry,
>> carbon is applied.
>>
>> Afterwards it is put into the 'valley' jig and carbon is again
>> applied. Temp spacers, if used would be replaced with ribs.
>>
>> I don't know if the carbon is preglued, I imagine so, but some
>> experimentation with technique could be useful.
>> I'd first try suspending one end and pregluing it nice and straight
>> before application. YMMV.
>> I know that Nick doesn't like boron due to the buckling and he says
>> that with the carbon he has had much less of an issue with buckling
>> compared to boron.
>>
>> Covering is done with crinkled OS film. I believe he uses a covering
>> jig a la Lutz as described by Nick Aikman.
>>
>> Regards.
>> Mike Kirda
>>
>
Received on Tue May 27 2014 - 11:28:33 CEST

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