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 not=20 have a sharp stress point as a solder join may have. The machine = pins have=20 a solid body with a cavity in one in for the wire, a crimp puts 3-4 = indentions=20 into the barrel of the pin and secures the wire. You can really = pull on=20 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.

Edward L.=20 Anderson
Anderson Electronic Enterprises LLC
305 Reefton=20 Road
Weddington, NC 28104
http://www.dmack.net/mazda/ = ; (my=20 rotary installation and a bit more)

http://www.andersonee.com
http://www.eicommander.com

From: Andrew Martin

Sent: Saturday, July 23, 2016 11:02 AM

To: Rotary motors in = aircraft

Subject: [FlyRotary] Re: rebuild

Thanks=20 Charlie. Yes all my earths go back to a forrest of tabs. Pretty sure it = will be=20 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 them=20 flying close to the edge of the air all the time. But its not for me, I = really=20 do prefer to fly in the middle, so I just wanted make sure the plane = would cool=20 enough to get me there next time. But yeah, I'll take the wheels = off &=20 check to see if I've spun a bearing.

Andrew

--
Regards
Andrew Martin
Martin=20 Ag

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