X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Sender: To: lml@lancaironline.net Date: Wed, 04 Mar 2009 13:34:18 -0500 Message-ID: X-Original-Return-Path: Received: from elasmtp-banded.atl.sa.earthlink.net ([209.86.89.70] verified) by logan.com (CommuniGate Pro SMTP 5.2.12) with ESMTP id 3526613 for lml@lancaironline.net; Wed, 04 Mar 2009 08:43:38 -0500 Received-SPF: none receiver=logan.com; client-ip=209.86.89.70; envelope-from=colyncase@earthlink.net DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws; s=dk20050327; d=earthlink.net; b=gY9HqOoDEUuCipAaZ5RN0VzrqVmbBcaqbOgamWWQmaDfYkztdlXLXkIqIXvgHeQ1; h=Received:Message-ID:From:To:References:Subject:Date:MIME-Version:Content-Type:X-Priority:X-MSMail-Priority:X-Mailer:X-MimeOLE:X-ELNK-Trace:X-Originating-IP; Received: from [216.57.118.63] (helo=ccaselt3) by elasmtp-banded.atl.sa.earthlink.net with esmtpa (Exim 4.67) (envelope-from ) id 1LerNG-0006XQ-B6 for lml@lancaironline.net; Wed, 04 Mar 2009 08:43:02 -0500 X-Original-Message-ID: <0bdf01c99ccf$21933a70$0c8d020a@nvidia.com> From: "Colyn Case at earthlink" X-Original-To: "Lancair Mailing List" References: Subject: Re: [LML] Re: Speed Brake Question?? X-Original-Date: Wed, 4 Mar 2009 08:42:58 -0500 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0BDC_01C99CA5.3858F260" X-Priority: 3 X-MSMail-Priority: Normal X-Mailer: Microsoft Outlook Express 6.00.2900.3138 X-MimeOLE: Produced By Microsoft MimeOLE V6.00.2900.3198 X-ELNK-Trace: 63d5d3452847f8b1d6dd28457998182d7e972de0d01da940436fab2328ebde7cbeec07ce5376780d350badd9bab72f9c350badd9bab72f9c350badd9bab72f9c X-Originating-IP: 216.57.118.63 This is a multi-part message in MIME format. ------=_NextPart_000_0BDC_01C99CA5.3858F260 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable Bill Maddox can jump in here but here is my understanding of the history = of speedbrakes: 1) lancair version 1 was cable driven. really hard to rig but worked = okay once rigged. A single motor in the airplane turned a drum which wound the two cables = from the two speedbrakes. 2) Maddox version 1. This one had fancy electronics and there were some = problems. Importantly, this one fit in the lancair pocket. 3) lancair/precise flight version 2. This one required a thicker = pocket. Completely electric and had a feature so that if one didn't fully deploy, the other one = would be depowered also. Control is simple. either they are up or down. I have heard that these occasionally get iced up and won't function. 4) Maddox/Wolstenholme version 2. This one has almost no electronics = but has a fancy clutch arrangement. If depowered, will retract. Control is = motor-up/motor-down so you can set them to any intermediate position. The paddles are reportedly more = effective in terms of total drag than (3) above. At this point bill is no longer selling = them. You must appeal to Wolstenholme for support. They were very nice to refurbish mine = when I found they=20 didn't work upon installation. As far as I can tell, these are not better or worse than (3) relative to = getting iced up. So basically (3) is the only fully supported product currently. ------=_NextPart_000_0BDC_01C99CA5.3858F260 Content-Type: text/html; charset="UTF-8" Content-Transfer-Encoding: quoted-printable =EF=BB=BF
Bill Maddox can jump in here but here = is my=20 understanding of the history of speedbrakes:
 
1) lancair version 1 was cable = driven.  =20 really hard to rig but worked okay once rigged.
A single motor in the airplane turned a = drum which=20 wound the two cables from the two
speedbrakes.
2) Maddox version 1.  This one had = fancy=20 electronics and there were some problems.
Importantly, this one fit in the = lancair=20 pocket.
3) lancair/precise flight version = 2.  This one=20 required a thicker pocket.  Completely electric
and had a feature so that if one didn't = fully=20 deploy, the other one would be depowered also.
Control is simple.  either they = are up or=20 down.
I have heard that these occasionally = get iced up=20 and won't function.
4) Maddox/Wolstenholme version = 2.   This=20 one has almost no electronics but has a fancy
clutch arrangement.   If = depowered, will=20 retract.   Control is motor-up/motor-down so you = can
set them to any intermediate = position.  =20 The paddles are reportedly more effective in terms
of total drag than (3) = above.   At this=20 point bill is no longer selling them.   You must = appeal
to Wolstenholme for = support.   They were=20 very nice to refurbish mine when I found they
didn't work upon = installation.
As far as I can tell, these are not = better or worse=20 than (3) relative to getting iced up.
 
 
So basically (3) is the only fully = supported=20 product currently.
 
------=_NextPart_000_0BDC_01C99CA5.3858F260--