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Metal Spring at end of antenna???

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Old 09-28-2004, 08:28 PM
  #1  
charleyrc
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Default Metal Spring at end of antenna???

I've been reading posts about receiver problems and noticed that some people with problems mentioned using rubber bands to hold their antennas to the tail. I have been using the same method for years but got tired of replacing the deteriorated rubber and decided to try putting a small metal spring in its place. So far this has worked fine. As I read on in the posts I have noticed that antenna length is important. My questions is " Will the addition of a metal spring attached to a piece of a servo arm at the end of the antenna affect the receivers capability?"
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Old 09-29-2004, 11:36 AM
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dirtybird
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Default RE: Metal Spring at end of antenna???

ORIGINAL: charleyrc

I've been reading posts about receiver problems and noticed that some people with problems mentioned using rubber bands to hold their antennas to the tail. I have been using the same method for years but got tired of replacing the deteriorated rubber and decided to try putting a small metal spring in its place. So far this has worked fine. As I read on in the posts I have noticed that antenna length is important. My questions is " Will the addition of a metal spring attached to a piece of a servo arm at the end of the antenna affect the receivers capability?"
Probably not, as long as the insulation on the antenna wire is intact. Even so a rubber band is probably a better idea. Put a new one on for every flight. How much trouble is that?
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Old 09-29-2004, 02:08 PM
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Rodney
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Default RE: Metal Spring at end of antenna???

A short ( 1 to 2 inch ) spring will not give you any detectable difference. If the connection between the spring and antenna is insulated, even a longer spring would have little if any effect.
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Old 09-29-2004, 05:38 PM
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Lynx
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Default RE: Metal Spring at end of antenna???

Actually a spring could possible be bad.. They act as an inductor and that could cause big problems with reception. Just use electrical tape or dip the end in liquid latex just to make sure there's no metal to metal contact between the antenna and the spring and you'll be fine.
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