X-Virus-Scanned: clean according to Sophos on Logan.com Return-Path: Received: from mtiwmhc12.worldnet.att.net ([204.127.131.116] verified) by logan.com (CommuniGate Pro SMTP 4.3c5) with ESMTP id 943291 for flyrotary@lancaironline.net; Fri, 13 May 2005 18:57:41 -0400 Received-SPF: none receiver=logan.com; client-ip=204.127.131.116; envelope-from=keltro@att.net Received: from 204.127.135.63 ([204.127.135.63]) by worldnet.att.net (mtiwmhc12) with SMTP id <2005051322574811200a8pgje>; Fri, 13 May 2005 22:57:48 +0000 Received: from [209.247.222.100] by 204.127.135.63; Fri, 13 May 2005 22:57:46 +0000 From: keltro@att.net (Kelly Troyer) To: "Rotary motors in aircraft" Subject: Re: [FlyRotary] Re: I need misc engine parts Date: Fri, 13 May 2005 22:57:46 +0000 Message-Id: <051320052257.1644.428530EA0004F25D0000066C2160376223019D9B040A05@att.net> X-Mailer: AT&T Message Center Version 1 (Feb 14 2005) X-Authenticated-Sender: a2VsdHJvQGF0dC5uZXQ= MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="NextPart_Webmail_9m3u9jl4l_1644_1116025066_0" --NextPart_Webmail_9m3u9jl4l_1644_1116025066_0 Content-Type: text/plain Content-Transfer-Encoding: 8bit George, Bill is correct of course about rolled threads being the way to go but here in the middle of the USA availability and affordability are a problem.......I do not have my 12A bolts in front of me at the moment and will have to double check if the threads are proud of the bolt diameter on the ones I have......... -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from wrjjrs@aol.com: -------------- Sorry George, thread rolling is the only, and I will repeat that ONLY, process that is truly safe. It produces a radiused thread root that doesn't invite stress risers. You can get form TAPS as well which is the right way to go if the thread will see stress. Search your area for thread rolling, or go to a good hardware wholesaler to buy the correct bolts. For a single rotor you should be able to buy over the counter bolts easily. Bill Jepson -----Original Message----- From: George Lendich To: Rotary motors in aircraft Sent: Sat, 14 May 2005 07:39:33 +1000 Subject: [FlyRotary] Re: I need misc engine parts Kelly, I've got 12 A bolts, but the thread looks like it's rolled and sits proud of the bolt diameter. I might have trouble getting that done locally. So what is the recommended process for the thread forming ? George ( down under) Rusty, On the subject of bolts for your single rotor........The bolts from a 12A are constant diameter and can be shortened and rethreaded........Should not be to hard to find a junk 12A........FWIW -- Kelly Troyer Dyke Delta/13B/RD1C/EC2 -------------- Original message from "Russell Duffy" <13brv3@bellsouth.net>: -------------- I also just got a single rotor engine today that I bought from a guy on Ebay. It's got bolts of course, but probably not any sort of official 20B parts. I'll have to pull it apart to see what it's really got inside, but it looks like older housings of some type. The shaft is a cut down 13B, which looks usable so far. What are you using for bolts? Cheers, Rusty (Sonerai goes on sale in 22 minutes on Ebay) --NextPart_Webmail_9m3u9jl4l_1644_1116025066_0 Content-Type: text/html Content-Transfer-Encoding: 8bit

George,

Bill is correct of course about rolled threads being the way to go but here

in the middle of the USA availability and affordability are a problem.......I do

not have my 12A bolts in front of me at the moment and will have to double

check if the threads are proud of the bolt diameter on the ones I have.........

--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2

-------------- Original message from wrjjrs@aol.com: --------------

Sorry George, thread rolling is the only, and I will repeat that ONLY, process that is truly safe. It produces a radiused thread root that doesn't invite stress risers. You can get form TAPS as well which is the right way to go if the thread will see stress. Search your area for thread rolling, or go to a good hardware wholesaler to buy the correct bolts. For a single rotor you should be able to buy over the counter bolts easily.

Bill Jepson

-----Original Message-----
From: George Lendich <lendich@optusnet.com.au>
To: Rotary motors in aircraft <flyrotary@lancaironline.net>
Sent: Sat, 14 May 2005 07:39:33 +1000
Subject: [FlyRotary] Re: I need misc engine parts

Kelly,

I've got 12 A bolts, but the thread looks like it's rolled and sits proud of the bolt diameter. I might have trouble getting that done locally.

So what is the recommended process for the thread forming ?

George ( down under)

Rusty,

On the subject of bolts for your single rotor........The bolts from a 12A are

constant diameter and can be shortened and rethreaded........Should not be

to hard to find a junk 12A........FWIW

--
Kelly Troyer
Dyke Delta/13B/RD1C/EC2

-------------- Original message from "Russell Duffy" <13brv3@bellsouth.net>: --------------

I also just got a single rotor engine today that I bought from a guy on Ebay. It's got bolts of course, but probably not any sort of official 20B parts. I'll have to pull it apart to see what it's really got inside, but it looks like older housings of some type. The shaft is a cut down 13B, which looks usable so far.

What are you using for bolts?

Cheers,

Rusty (Sonerai goes on sale in 22 minutes on Ebay)

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