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HomeScaleAircraftScale HeliScale Helicopter Main Discussion › range problems on my scale md 500???????
08-04-2013 12:25 AM  5 years agoPost 1
donny_boyette

rrNovice

Robertsdale, Al, Usa

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I have a 72mhz fm radio( jr 9303) I flying a scale 600 size md 500, but before the first flight i noticed problems with the range. I had the reciever wire coiled up on the inside and a small amount running to the outside. What would be the best way to run the wire?? Maybe down the tail on the inside of the fuselage( but i think that the mechanics tail is carbon fiber) If I did it this way, i would have to cut about a foot of the reciever wire off( its pretty long) Any ideas????

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08-04-2013 04:22 AM  5 years agoPost 2
Dr.Tim

rrElite Veteran

Mojave Desert

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Don't cut the length EVER!! I like to run mine down the tail then double back if the length is too long. What I do is put a piece of Tubing from a Golden Rod (Plastic Pushrods for airplanes)that I have measured and bent, then push the antanai wire down this tube. Keeps everything nice and tidy.

From Simple minds come simple ideas! Approach Engineering

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08-04-2013 04:41 AM  5 years agoPost 3
RICHW

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Cupertino, CA

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There are Dean's antennas that are 5 inches long and are close to the performance of a full length 72 MHz antenna. I have used them on four heli's

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08-04-2013 12:38 PM  5 years agoPost 4
garyl

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taxachussetts

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08-04-2013 12:55 PM  5 years agoPost 5
Pistol Pete

rrProfessor

Seffner, FL

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coiled up...the antenna can be coiled but it cannot cross over itself.

carbon fiber does not affect 72mhz signal unlike 2.4ghz

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08-05-2013 12:47 AM  5 years agoPost 6
donny_boyette

rrNovice

Robertsdale, Al, Usa

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Thanks Guys for your help, but I think the receiver is faulty, I've been flying 72 mhz for 7 years and never had a problem. I've run the wire down the tail, and even though the range is alot better, it's no where close to flying range. I ordered this reciever on ebay used as a replacement to my reciever that had its wire pulled out. It looks fine, but I don't think its working properly. ?????? Does horizon or anyone else do reciever repair.

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08-05-2013 02:41 AM  5 years agoPost 7
torque

rrKey Veteran

bolivia , north carolina

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hey Donnie,
I have a new in the pack base loaded antenna. I won't be using it. if interested you can have it, send me $5 for the shipping

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