RE: ATTN: Bruce LeMaster RE: SL Epoxy and supersonic air flow

From: Spielman, Roger L (Roger.Spielman@West.Boeing.com)
Date: Fri Dec 11 1998 - 18:25:02 EET


Hi Glenn...

Do you know how much weight this material adds (when effective thickness is
achieved)? How about adhesion? Sounds like a neat product.

Roger Spielman
Rocketdyne

> ----------
> From: Monica & Glenn Whiteside[SMTP:SiderWhite@worldnet.att.net]
> Reply To: Monica & Glenn Whiteside
> Sent: Friday, December 11, 1998 12:00 AM
> To: Rapid Prototype Mailing List
> Subject: ATTN: Bruce LeMaster RE: SL Epoxy and supersonic air flow
>
> Bruce:
>
> There is a ceramic coating that I have been wanting to try for these
> applications - it's a very durable, wear resistant and flexible coating
> that
> we have used on some of our stretch-form tooling for wear-resistance
> coatings. But you will need to seriously beef up the SLA model internally
> so it will not deform and break apart under the supersonic air pressures
> (fuselage sections might be okay but structures such as wings and
> vertical/horizontal fins might not survive very easily). The coating is
> called "CeRam-Kote 54" and it is a spray applied air-cured ceramic epoxy
> coating. The coating is currently approved for use on all F-15 aircraft
> leading edges and is currently under testing on B-1 aircraft. It's
> expensive but it might be worth a try. You can get more information at
> their web site at: www.ceram-kote.com/aviation.htm
> Let me know if you try it and what the results were if possible.
> Some of our NASA friends here on the rp-ml might also be of help.
>
> Best Regards,
>
> Glenn Whiteside
> Cessna Aircraft Company
> e-mail: siderwhite@worldnet.att.net
>
>
> -----Original Message-----
> From: Bruce E. LeMaster <LeMaster@artcorp.com>
> To: rp_ml Posting <rp-ml@bart.lpt.fi>
> Date: Thursday, December 10, 1998 4:35 PM
> Subject: SL Epoxy and supersonic air flow
>
>
> >Hello all,
> >
> >We have a customer that would like to have a SL
> >model made and then coated with an
> >as-yet-to-be-determined material and actually test
> >the model in supersonic flight. We have in the
> >past plated SL parts with nickel and chrome for
> >use in wind tunnels (for the same customer) but I
> >have no idea what goes on at supersonic flows.
> >
> >Do any of you have experience with SL parts at
> >supersonic airflow conditions? Any thoughts on
> >plating the SL part with some combination of
> >metals that might strengthen it to withstand the
> >test environment?
> >
> >Thanks in advance.
> >
> >Bruce E. LeMaster
> >--
> >Applied Rapid Technologies Corporation
> >265 Cambridge Street, Suite 100
> >Fredericksburg, Virginia 22405
> >(540) 371-1100 / (540) 371-4100 fax
> >Web Page URL: http://www.artcorp.com
> >
> >
> >
> >For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
>
>
> For more information about the rp-ml, see http://ltk.hut.fi/rp-ml/
>

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