X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from imf25aec.mail.bellsouth.net ([205.152.59.73] verified) by logan.com (CommuniGate Pro SMTP 5.1c.2) with ESMTP id 1222042 for flyrotary@lancaironline.net; Mon, 03 Jul 2006 08:21:05 -0400 Received-SPF: pass receiver=logan.com; client-ip=205.152.59.73; envelope-from=atlasyts@bellsouth.net Received: from ibm69aec.bellsouth.net ([70.149.1.190]) by imf25aec.mail.bellsouth.net with ESMTP id <20060703122019.OWSF18093.imf25aec.mail.bellsouth.net@ibm69aec.bellsouth.net> for ; Mon, 3 Jul 2006 08:20:19 -0400 Received: from [192.168.0.230] (really [70.149.1.190]) by ibm69aec.bellsouth.net with ESMTP id <20060703122019.SRDF21533.ibm69aec.bellsouth.net@[192.168.0.230]> for ; Mon, 3 Jul 2006 08:20:19 -0400 Mime-Version: 1.0 (Apple Message framework v752.2) In-Reply-To: References: Content-Type: text/plain; charset=US-ASCII; delsp=yes; format=flowed Message-Id: Content-Transfer-Encoding: 7bit From: Bulent Aliev Subject: Re: [FlyRotary] IvoProp Brushholder Mounting Question Date: Mon, 3 Jul 2006 08:20:27 -0400 To: "Rotary motors in aircraft" X-Mailer: Apple Mail (2.752.2) Dave, I made one from 1/8" aluminum sheet and it is nice looking and it works. Will take photos today and send them to you. You'll like the IVO prop. What diameter do you have? Bulent "Buly" Aliev http://tinyurl.com/dcy36 Cozy MK-IV Eng: Mazda 13B Cosmo PSRU: RWS RD-1B 2.17 IVO Prop El. Magnum 68" FXE Ft lauderdale, FL On Jul 3, 2006, at 1:02 AM, David Staten wrote: > I am posting this to both groups.. rotary and Canard.. in hopes of > getting some good ideas.. > > I will be mounting a Ivo Magnum on the back of a rotary powered > velocity.. I've heard the horror stories with the horizontally > opposed engines and IVO's but will give it a shot on a smoother > running engine.. The inflight adjustable propellors have a > reversible motor in the hub, and its power is provided to the prop > by a graphite two conductor brush assembly in a plastic housing. > > What I am having difficulty in doing is devising a sturdy enough > brush mounting arrangement. 1st arrangement (meant for ground use > ONLY consists of some home depot aluminum angle, threaded rod and a > few nuts and locknuts.. I tried building a 2nd arrangement tonight > out of 26 ga galvanized sheet steel with stiffeners built into two > opposing layers (back to back). In the absense of workable > feedback, 3rd arrangement will be out of 16 ga sheet steel.. to try > and develop rigidity, and will have it form an L or J channel with > a horseshoe cutout on the long side to straddle the propshaft and > engage as many bolts on the PRSU bearing retainer hub as possible. > Currently all my mounting schemes involve the bearing retainer ring > mounting bolts on my redrive. > > I have a RD-1B redrive from real world solutions as the most likely > anchoring point.. just want to get ideas (and pictures) from those > who have actually made this work. > > Dave > > -- > Homepage: http://www.flyrotary.com/ > Archive and UnSub: http://mail.lancaironline.net/lists/flyrotary/