rparigor(at)SUFFOLK.LIB.N
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 Posted: Tue Apr 28, 2009 4:26 pm Post subject: Anything wrong mixing electrical and pneumatic conne |
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Hi Bob"> How many times over the lifetime of the airplane do you > expect to open these connections?"****Many! I have both 27 foot span short wings and 48 foot span long wings. Early on will probably trailer to go flying since the hangar I am building in is at an inappropriate field for first 40 hours. After that, wings will be pulled at least every year, probably more. 4 pins and my two wing connectors and wings come right off. The wings are dry and have neat quick connect aileron and flap attachments that require no loose hardware.> You're about to conduct the grand experiment. You have > a real life test going on connector technologies, assy > techniques and modifications to off-the-shelf products > to satisfy design goals. I'm not sure that the germane > question speaks to "mixing electrical and pneumatic" > connections in the same connector. You're plowing new > ground here. The experience-base from which learned > advice can be gleaned is small to non-existent. You're > on track to becoming the expert on these process and > techniques. Let us know how it works out. ****I will post how things work out. I now have close to 10 years experiance using Anderson power pole and Sermos modular connectors flying electric models. Wet grass and the ocassional salt water landing has never failed a connector! The only failure I had was when breaking new ground and pulling continuous 40 plus amps (I am sure plenty more on start up of 3 phase DC motor) on a 3/4 horsepower monster, and the connector began to show signs of heating. At the field that day I just bent contacts a little harder against one another, and it worked fine for the day. I however don't use them for more than half their rating now and have never had another problem. I parallel two connectors if it is a critical connection. I never had a connector come undone in RC flight, but close after having a mid air one day. For the Europa I think it prudent to have some posative locking though. The buckles I am implimenting work great! iIam using them to hold my removable nav/com antenna and cable holder in place. See:http://www.europaowners.org/modules.php?set_albumName=album272&op=modload&name=gallery&file=index&include=view_album.phpGlider folk use the 5 connection pneumatic connector with great sucess. They remove wings all the time.Ron Parigoris> > > > Bob . . . [quote][b]
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