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HomeAircraftHelicopterRadio - Spektrum DSM › Broken Gear switch on DX7
01-15-2010 10:58 PM  8 years agoPost 21
dkshema

rrMaster

Cedar Rapids, IA

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Your picture tells a thousand words.

The earlier pictures looked like the switch was a DPDT switch. In reality, it's a SPDT switch, and the Spektrum folk have added a small PWB to it so that they can solder wires to circuit board traces instead of having to wrap and solder on posts. That makes the service center's job much easier, they pop off the little board, and solder it to a new switch. Cool manufacturing idea.

So to your point, the Big SPDT switch you have will work, as the original AND the replacement are both single pole double throw switches.

I am surprised that the hole in the transmitter case is large enough to allow the new, bigger switch to fit, but if it does, it does. Again, your pictures don't show the old and new side by side, maybe the new switch has the smaller shank like the Jewel switch. From the size of the body of the replacement, I assumed it was a larger 1/4 inch shank.

This also means that if you need switches, you can go to the Tower Hobbies website, look for Futaba Switches, and those five or so replacmenent switches will fit and work as they should. They are the same switch as currently exists in the DX7.

Dave

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Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-15-2010 11:05 PM  8 years agoPost 22
dkshema

rrMaster

Cedar Rapids, IA

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This is one of the Futaba replacements on the Tower Hobbies site:

a drop-in replacement for yours.

-----
Dave

* Making the World Better -- One Helicopter at a time! *

Team Heliproz

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01-15-2010 11:17 PM  8 years agoPost 23
kazager

rrApprentice

Waldorf, MD - USA

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The one he has is drop in, it is not too large at all, the original nut fits it, it is exactly the same in appearance once it is installed, and exact in function as well.

Flying $uck$...All of the money out of my bank account!

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01-16-2010 03:34 AM  8 years agoPost 24
hootowlrrProfessor - Garnet Valley, Pa. - My Posts: All  Forum  Topic

All done. Switch installed in heli positions so now it's a "Heli" DX7.
Added a little extra wire on the 3-pos switch so it would reach.
Works great.
Thanks all for the help.

Wolves don't lose sleep over the opinions of sheep

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02-03-2012 03:17 PM  6 years agoPost 25
ppcpilot

rrNovice

Detroit, MI

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Just digging through the archives and I will say this for kazager..."told you so"

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HomeAircraftHelicopterRadio - Spektrum DSM › Broken Gear switch on DX7
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