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Old Jun 05, 2008, 06:41 PM
Fly A Mile High
shamrock1990's Avatar
Aurora, Co
Joined Jan 2004
100 Posts
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Cut my antenna in half.....

I accidently cut the antenna of my futaba reciever in half ? Does anyone know of any way to splice the antenna or any other fix? Thanks for any ideas! The receiver is an older one. It is a FP-R127df Dual conversion 7 channel unit.
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Old Jun 05, 2008, 10:44 PM
I'm a pilot... 100 yrs to late
Thermalin's Avatar
USA, FL, Palm Harbor
Joined Jan 2005
3,486 Posts
I fly DLG's and power planes... There is a guy who uses guitar strings for antennas and imbeds them in the wing. This way each wing has its own. There is a connector on the stub protuding from the receiver and one on the wire in the wing.. As long as the length is the same your good.. Here is the link: there are a couple posts (from Buddy Roos) with pics and description / how to: thread.http://www.rcgroups.com/forums/showt...504554&page=10

Worth a try since it's already snipped.
Mike
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Last edited by Thermalin; Jun 05, 2008 at 10:54 PM.
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Old Jun 05, 2008, 10:51 PM
Fly A Mile High
shamrock1990's Avatar
Aurora, Co
Joined Jan 2004
100 Posts
Thanks Mike

I will give it a try. Thanks again.

Quote:
Originally Posted by Thermalin
I fly DLG's and power planes... There is a guy who uses guitar strings for antennas and imbeds them in the wing. This way each wing has its own. There is a connector on the stub protuding from the receiver and one on the wire in the wing.. As long as the length is the same your good.. Here is the link to the

On this page there are a couple posts (from Buddy Roos) with pics and description / how to: thread.http://www.rcgroups.com/forums/showt...504554&page=10

Worth a try since it's already snipped.
Mike
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Old Jun 06, 2008, 12:05 AM
I meant to do that
littlewing78's Avatar
Eagle Mountain, Utah
Joined Jul 2004
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http://www3.towerhobbies.com/cgi-bin...?&I=LXH355&P=7
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Old Jun 06, 2008, 01:54 AM
God is good
Viper Pilot's Avatar
Banjul
Joined Jan 2001
4,246 Posts
Solder!!!!!!!!!!!!!
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Old Jun 06, 2008, 01:55 AM
Yes it's a taildragger...
Baba Booey's Avatar
Canada
Joined May 2008
83 Posts
Quote:
Originally Posted by shamrock1990
I accidently cut the antenna of my futaba reciever in half ?
Care to fill us in on how this was accomplished?
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Last edited by Baba Booey; Jun 06, 2008 at 01:55 AM. Reason: spelling
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Old Jun 06, 2008, 07:02 AM
Lots of luck, mostly bad.
Latham, NY
Joined Apr 2008
202 Posts
Quote:
Originally Posted by Baba Booey
Care to fill us in on how this was accomplished?
Yeah, so when we're about to do the same thing, we can say "Hey, didn't shamrock1990 do this on the forums, and cut his antenna in half? I'd better not do that."

Yes, my mind does work like that. No, they haven't institutionalized me yet.
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Old Jun 06, 2008, 07:16 AM
Registered User
Jacksonville Fla.
Joined Mar 2007
2,222 Posts
I'd solder splice it...then I would do a very good range check...
I solder splice by un twisting the wires so it looks like a hand held fan..both ends..then put the two fans together (rounded sides) Or so it looks like inter laced fingers..twist and solder,,,if it's solid core wire make to small hooks and solder together....
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Old Jun 06, 2008, 11:36 AM
Registered User
Florida
Joined Aug 2004
4,161 Posts
If you have all the pieces just solder it back together. You could also replace the whole thing with another piece of stranded wire. As long as the total length is 39 to 41 inches, you should be good to go.
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Old Jun 06, 2008, 12:10 PM
Fly A Mile High
shamrock1990's Avatar
Aurora, Co
Joined Jan 2004
100 Posts
Got my hobby knife a little too close

Seriously the servos were taped down in this particular model and I slipped and ther rest is history!

Quote:
Originally Posted by Baba Booey
Care to fill us in on how this was accomplished?
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Old Jun 07, 2008, 06:40 AM
Bombs away! Err...landing
Ira NZ's Avatar
Upper Hutt, New Zealand
Joined Apr 2006
2,353 Posts
Quote:
Originally Posted by shamrock1990
Seriously the servos were taped down in this particular model and I slipped and ther rest is history!
Been there done that...

*Puts tape on hole cut in wing of brand new plane...*
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Old Jun 10, 2008, 06:16 AM
Registered User
Jacksonville Fla.
Joined Mar 2007
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You know Ira NZ I think that MD-80 you have with your name, in your replies, taking off is a hoot..I've got time turning wrenches on the 88 and the 90. I chuckle everytime I see it Thanx
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Old Jun 10, 2008, 06:40 AM
Bombs away! Err...landing
Ira NZ's Avatar
Upper Hutt, New Zealand
Joined Apr 2006
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Quote:
Originally Posted by jetmech05
I chuckle everytime I see it Thanx
That's what it's there for. Glad you like it.
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Old Jun 10, 2008, 06:13 PM
Registered User
Cromer,Norfolk, UK
Joined Nov 2006
2,505 Posts
AFAIK you can pretty much make/splice/bodge an rx antenna from anything conductive, a bit of plastic coated copper wire from some domestic flex will do fine, just strip the plastic from the rx antenna and the flex, then twist the ends together. Run thin solder over it and cover the lot with some heat shrink tubing and you're done. Then just cut the other end of the flex off so that the whole thing is about 40" long.

Quote:
Puts tape on hole cut in wing of brand new plane
WooHoo! I'm not the only one!

*leaves new open structure tailplane on bed while putting stuff away, forgets, puts duvet over it, lays on top of bed to read - crunch*

Matt
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Old Jun 11, 2008, 07:18 PM
A trail of smoke is GOOD!
waynemia's Avatar
USA, TX, Springtown
Joined May 2008
7,226 Posts
splice it

Don't do anything complicated, strip the wires back a minimal amount on each side, 1/8" should do. Twist the wires tightly, don't fan them out. Tin each side with solder. Make sure the solder melts into all the strands well. There should be no globs of solder. Cut a piece of shrink tubing and slide over one side. Place the tinned wires touching side to side sort of like this ----====____ . Heat with the solder iron till the solder flows in both wires.

Let it cool. Slide the shrink tubing up and shrink it. You are done.

This only shortens the antenna by 1/8" which should be negligible at 72MHz.
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