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losing lift/rpm during flight

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losing lift/rpm during flight

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Old 01-25-2005, 09:10 PM
  #1  
jimdanforth
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Default losing lift/rpm during flight

I have an XR-1 (areohawk copy). Lately, I can lift off, then begin losing rpm, and therefore lift. Land for just a bit, then lift-off and repeat. I had this problem before, and found that a bearig on the main shaft had moved up, and was touching the collar I installed to stop the main shaft from floating up and down. I re-seated the bearing, and flew great for a while. Now the symptoms have returned, but the bearing is staying put. I am flying on a 1320 mah 2cell lipo that I have flown probably 10 times before. Had this not happened before, I would think my battery was losing voltage. But I'm thinking its a mechanical problem. ANy ideas?
JImD
Old 02-10-2005, 05:22 AM
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pthegr81
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Default RE: losing lift/rpm during flight

if it is the stock motor that is the problem,they burn up fast
Old 03-04-2005, 02:33 AM
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selfvsself
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Default RE: losing lift/rpm during flight

is the batt and charger compatable suonds like bad batt
Old 03-04-2005, 12:32 PM
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bdavison
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Default RE: losing lift/rpm during flight

Yeah, Id have to agree with pthegr81. Sounds like either a bad motor, or its overheating.
Old 03-08-2005, 06:09 PM
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Pathogens
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Default RE: losing lift/rpm during flight

I think that you should not risk putting your expensive and potentially dangerous lipo battery in such a poorly made piece of junk like the aerohawk.

Bad motor most likely. Dont waste your time or money buying another motor for this worthless aircraft. Go brushless and go something like TREx..

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