X-Virus-Scanned: clean according to Sophos on Logan.com From: "Ed Anderson" Received: from [107.14.166.225] (HELO cdptpa-oedge-vip.email.rr.com) by logan.com (CommuniGate Pro SMTP 6.1.11) with ESMTP id 8817373 for flyrotary@lancaironline.net; Sun, 24 Jul 2016 09:44:10 -0400 Received-SPF: pass receiver=logan.com; client-ip=107.14.166.225; envelope-from=eanderson@carolina.rr.com Return-Path: Received: from [71.75.210.154] ([71.75.210.154:60462] helo=EdPC) by cdptpa-oedge01 (envelope-from ) (ecelerity 3.5.0.35861 r(Momo-dev:tip)) with ESMTP id 52/E0-02210-816C4975; Sun, 24 Jul 2016 13:43:52 +0000 Message-ID: <324F592B2E37477B9BCE58FF64AE7893@EdPC> To: "Rotary motors in aircraft" References: In-Reply-To: Subject: Re: [FlyRotary] Re: rebuild Date: Sun, 24 Jul 2016 09:43:51 -0400 MIME-Version: 1.0 Content-Type: multipart/alternative; boundary="----=_NextPart_000_0022_01D1E58F.E2BFF510" X-Priority: 3 X-MSMail-Priority: Normal Importance: Normal X-Mailer: Microsoft Windows Live Mail 16.4.3528.331 X-MimeOLE: Produced By Microsoft MimeOLE V16.4.3528.331 X-RR-Connecting-IP: 107.14.168.118:25 X-Cloudmark-Score: 0 This is a multi-part message in MIME format. ------=_NextPart_000_0022_01D1E58F.E2BFF510 Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: quoted-printable Hi Andrew Here is one source for the machined pins and the 4 indent crimper, there = are other sources, but these have worked well for me. http://www.steinair.com/product/4-way-indent-crimper/ http://www.steinair.com/product/contact-standard-dsub-pin/ http://www.steinair.com/product/contact-standard-dsub-socket/ Ed From: Andrew Martin=20 Sent: Saturday, July 23, 2016 9:58 PM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: rebuild Thanks Ed, I'll find some an try them=20 Cheers Andrew On Saturday, 23 July 2016, Ed Anderson = wrote: Hi Andrew, I initially shared your views on soldered pins having fewer problems = than crimped pins. That is until I used =E2=80=9Cmachined=E2=80=9D pins = for crimping. Using machined pins provided a level of reliability much = better than my crimped pins using the =E2=80=9Ctin foil=E2=80=9D pins. = Turns out even better than solder as it did not have a sharp stress = point as a solder join may have. The machine pins have a solid body = with a cavity in one in for the wire, a crimp puts 3-4 indentions into = the barrel of the pin and secures the wire. You can really pull on the = wire and I have never had one come out. Naturally, If it is done correctly then just about any method will = work, but my personal opinion is that using machined pins and crimping = is the best method I have found. There is one downside to using machined pins =E2=80=93 they are pricy. = But, then what price for a reliable connection =E2=80=93 right? I only = used them for what I considered flight critical connections due to cost = and never had one fail. Not suggesting you change anything, just wanted to give you my benefit = of going down the same path. Ed=20 Edward L. Anderson Anderson Electronic Enterprises LLC 305 Reefton Road Weddington, NC 28104 http://www.dmack.net/mazda/ (my rotary installation and a bit more) http://www.andersonee.com http://www.eicommander.com From: Andrew Martin=20 Sent: Saturday, July 23, 2016 11:02 AM To: Rotary motors in aircraft=20 Subject: [FlyRotary] Re: rebuild Thanks Charlie. Yes all my earths go back to a forrest of tabs. Pretty = sure it will be an earth issue also, as its a new problem on a system = that has been working well. Some connections are crimped as in the later = part of wiring I got a bit tired of sniffing solder. Nearly all my = wiring problems are associated with those crimped connections so I just = solder them now as they appear.=20 There is an aerial ag business based on our farm, I watch & admire = them flying close to the edge of the air all the time. But its not for = me, I really do prefer to fly in the middle, so I just wanted make sure = the plane would cool enough to get me there next time. But yeah, I'll = take the wheels off & check to see if I've spun a bearing. Andrew --=20 Regards Andrew Martin Martin Ag No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.7442 / Virus Database: 4627/12666 - Release Date: = 07/23/16 --=20 Regards Andrew Martin Martin Ag No virus found in this message. Checked by AVG - www.avg.com Version: 2016.0.7442 / Virus Database: 4627/12670 - Release Date: = 07/23/16 ------=_NextPart_000_0022_01D1E58F.E2BFF510 Content-Type: text/html; charset="utf-8" Content-Transfer-Encoding: quoted-printable
Hi Andrew
 
Here is one source for the machined pins and the 4 indent crimper, = there=20 are other sources, but these have   worked well for me.
 
http://www= .steinair.com/product/4-way-indent-crimper/
http:= //www.steinair.com/product/contact-standard-dsub-pin/
ht= tp://www.steinair.com/product/contact-standard-dsub-socket/
 
 
Ed
 
Sent: Saturday, July 23, 2016 9:58 PM
Subject: [FlyRotary] Re: rebuild
 
Thanks=20 Ed, I'll find some an try them=20
 
Cheers Andrew

On Saturday, 23 July 2016, Ed Anderson <flyrotary@lancaironline.net>=20 wrote:
Hi Andrew,
 
I initially shared your views on soldered pins having fewer = problems than=20 crimped pins.  That is until I used =E2=80=9Cmachined=E2=80=9D = pins for crimping. Using=20 machined pins provided a level of reliability much better than my = crimped pins=20 using the =E2=80=9Ctin foil=E2=80=9D pins.  Turns out even better = than solder as it did=20 not have a sharp stress point as a solder join may have.  The = machine=20 pins have a solid body with a cavity in one in for the wire, a crimp = puts 3-4=20 indentions into the barrel of the pin and secures the wire.  You = can=20 really pull on the wire and I have never had one come out.
 
Naturally,   If it is done correctly then just about = any method=20 will work, but my personal opinion is that using machined pins and = crimping is=20 the best method I have found.
 
There is one downside to using machined pins =E2=80=93 they are = pricy.  But,=20 then what price for a reliable connection =E2=80=93 right?  I = only used them for=20 what I considered flight critical connections due to cost and never = had one=20 fail.
 
Not suggesting you change anything, just wanted to give you my = benefit of=20 going down the same path.
 
Ed
 
Edward L.=20 Anderson
Anderson Electronic Enterprises LLC
305 Reefton=20 Road
Weddington, NC 28104
http://www.dmack.net/mazda/  (my rotary = installation=20 and a bit more)
http://www.andersonee.com
http://www.eicommander.com
 
Sent: Saturday, July 23, 2016 11:02 AM
Subject: [FlyRotary] Re: rebuild
 
Thanks=20 Charlie. Yes all my earths go back to a forrest of tabs. Pretty sure = it will=20 be an earth issue also, as its a new problem on a system that has been = working=20 well. Some connections are crimped as in the later part of wiring I = got a bit=20 tired of sniffing solder. Nearly all my wiring problems are associated = with=20 those crimped connections so I just solder them now as they appear.=20
 
There is an aerial ag business based on our farm, I watch & = admire=20 them flying close to the edge of the air all the time. But its not for = me, I=20 really do prefer to fly in the middle, so I just wanted make sure the = plane=20 would cool enough to get me there next time.  But yeah, I'll take = the=20 wheels off & check to see if I've spun a bearing.
 
Andrew




--
Regards
Andrew Martin
Martin=20 Ag

No virus found in this = message.
Checked by=20 AVG - www.avg.com
Version:=20 2016.0.7442 / Virus Database: 4627/12666 - Release Date:=20 07/23/16



--=20
Regards
Andrew Martin
Martin Ag

No virus found in this=20 message.
Checked by AVG - www.avg.com
Version: 2016.0.7442 / = Virus=20 Database: 4627/12670 - Release Date:=20 07/23/16

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