X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Mon, 20 Jan 2014 15:01:55 -0500 Message-ID: X-Original-Return-Path: Received: from elasmtp-spurfowl.atl.sa.earthlink.net ([209.86.89.66] verified) by logan.com (CommuniGate Pro SMTP 6.0.8) with ESMTP id 6695184 for lml@lancaironline.net; Mon, 20 Jan 2014 14:21:24 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.66; envelope-from=douglasbrunner@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=nbAlbk7pEmOWeLb+n+/giMvubKXaM5+65v2XU0ZvVqcx7Ac2uejSVFJe/n7raQH/; h=Received:From:To:References:In-Reply-To:Subject:Date:Message-ID:MIME-Version:Content-Type:X-Mailer:Thread-Index:Content-Language:X-ELNK-Trace:X-Originating-IP; Received: from [67.8.30.30] (helo=DougsVAIO) by elasmtp-spurfowl.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1W5KOu-0005OI-4r for lml@lancaironline.net; Mon, 20 Jan 2014 14:20:48 -0500 From: "Douglas Brunner" X-Original-To: "'Lancair Mailing List'" References: In-Reply-To: Subject: Flap Hinge Fairings X-Original-Date: Mon, 20 Jan 2014 14:20:47 -0500 X-Original-Message-ID: <003801cf1614$b9586a10$2c093e30$@net> MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0039_01CF15EA.D0826210" X-Mailer: Microsoft Office Outlook 12.0 Thread-Index: Ac8Ugya5kXOVvVKHSmmIGplOWRTcJgBgCS4g Content-Language: en-us X-ELNK-Trace: ad85a799c4f5de37c2eb1477c196d22294f5150ab1c16ac0b4de374c5ae8ff79ac7bc9a47fe418e7b923ba10466c4b68350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 67.8.30.30 This is a multi-part message in MIME format. ------=_NextPart_000_0039_01CF15EA.D0826210 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit I am considering having some flap hinge fairings built for me using 3D printing. These would be fairly simple in design and use the existing (rounded) front hinge but fair the back hinge. I am early in the process of making them which would consist of: 1) Design drawings 2) Turning drawings into a "SPL" file 3) Having a single prototype made by 3 D printer 4) Checking fit and modifying drawings (if necessary) 5) Testing for speed gain 6) Making a batch of them - for sale to others Would others be interested in purchasing a set of them? I believe the price per will go down with an increased number. Assume the following: . Price in the $200 range for a set of 4 fairings. Not really sure of this price at this time. . Total of 8 pieces - assembled by placing two halves over rear flap hinge and gluing/screwing in place . Made of ABSM-30 plastic - can be glued using epoxy and painted with primer And . Gives a speed increase of 3 to 4 knots (at this point in time, this is speculation on my part, however given the size and number of hinges I consider this a reasonable guess) Let me know on or off list Douglas Brunner legacyflyer@gmail.com Also, if anyone has experience with any part of this process or suggestions for the design please share your ideas. ------=_NextPart_000_0039_01CF15EA.D0826210 Content-Type: text/html; charset="us-ascii" Content-Transfer-Encoding: quoted-printable

I am considering having some flap hinge fairings built for me using = 3D printing.  These would be fairly simple in design and use the = existing (rounded) front hinge but fair the back = hinge.

 

I am early in the process  of making them which would consist = of:

 

1)      = Design drawings

2)      = Turning drawings into a “SPL” = file

3)      = Having a single prototype made by 3 D printer

4)      = Checking fit and modifying drawings (if = necessary)

5)      = Testing for speed gain

6)      = Making a batch of them – for sale to = others

 

Would others be interested in purchasing a set of them?  I = believe the price per will go down with an increased = number.

 

Assume the following:

 

·         = Price in the $200 range for a set of 4 fairings.  Not really = sure of this price at this time.

·         = Total of 8 pieces – assembled by placing two halves over rear = flap hinge and gluing/screwing in place

·         = Made of ABSM-30 plastic – can be glued using epoxy and painted = with primer

 

And

 

·         = Gives a speed increase of 3 to 4 knots  (at this point in time, = this is speculation on my part, however given the size and number of = hinges I consider this a reasonable guess)

 

Let me know on or off list

 

Douglas Brunner

legacyflyer@gmail.com

 

Also, if anyone has experience with any part of this process or = suggestions for the design please share your = ideas.

 

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