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Subject: Back to basics - electrical connectors

Doug Waddington wrote: ...Now I am wondering if I need to install some sort
of connector at the leading edge of the rudder to facilitate rudder removal
at some point in the future. I'll pass on some advice from Brent Regan that has served me well on this subject: Solder joints are better, cheaper and lighter than any electrical connector ever made. Leave a service loop and solder the joints when you can. If you need to use a connector, install the best one you can afford--especially for the signal and low power circuits like your trim system. You didn't say what model Lancair you were building, but the rudder on the Lancair IV is probably one area that justifies a connector. The thing is large and clumsy to handle, and a two person installation task, even with connectors. We bought Switchcraft EN3 mini-weather tight connectors (page 137 in the current Mouser catalogue) for this joint. Haven't flown yet, so don't know how well they will work in flight, but these are high-quality, compact and well sealed connectors. Appear to be ideal for this application. They are available in "in-line" or cord configuration or with one side as a "panel mount," solder pins only, no crimp type available.

Bob Pastusek

LML website:   http://www.olsusa.com/mkaye/maillist.html
LML Builders' Bookstore:   http://www.buildersbooks.com/lancair

Please send your photos and drawings to marvkaye@olsusa.com.