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01-25-2007 05:56 PM  12 years ago
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gipper6

rrApprentice

Mckinney, Texas

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Help!
My V2 w/ new Hyper engine keeps making a wierd noise:

Inflight as I reduce the collective/throttle it seems to "hiccup" or reduce power momentarily. This has gone on for a while.

Two days ago a new noise emerged: After landing, during the spool down, I heard a grinding and clicking noise.

I didn't have time to inspect because I had to leave on a trip and was flying at the last minute.

I recently sent the previous engine in to Hobbico becasue I thought it was the problem, but even with the new engine it makes the same noise. I've adjusted the setting to no avail.

What the @#$% is going on?
The best way to make a small fortune in RC Helis is to start out with a large one. Debt from above!
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01-25-2007 06:07 PM  12 years ago
rookie5

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Harlow, Essex - United Kingdom

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could be your starter bearing or something to do with your clutch ?
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01-25-2007 06:42 PM  12 years ago
Rafael23cc

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Junction City, KS

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💎Sustaining Member
I am not sure of the sysmptoms that you describe, but here is a semi shot in the dark...

Have you encountered those symptoms since the drop in temperature?

Have you checked the tension of the belt? the number of twists in the belt?

When the temperature dropped, most likely the aluminum in the boom shrunk, thus giving you too much slak in the belt. The teeth could be catching each other inside the boom and giving you the "hiccup" and apparent loss in power.

Rafael
Keep your feet on the ground, but your eyes on the sky.
Team Heliproz.com
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01-25-2007 06:57 PM  12 years ago
ChrisC

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Essex - UK

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Also look at your one way bearing, mine slipped making a strange noise, but not when climbing, only when hovering.

Chris.
Hooked on Align
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01-25-2007 07:05 PM  12 years ago
BarracudaHockey

rrMaster

Jacksonville FL

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Consider splitting the tail case and seeing if the pin is working it way out of the red gear and rubbing on the inside of the tail case.Andy
AMA 77227
http://www.jaxrc.com
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01-25-2007 07:16 PM  12 years ago
Snake Rimmer

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Up north in the England

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Am i right in thinking the one way bearing is in the main gear assembly.

I think I sometimes get the same on mine.
To infinity and......................... the ground........... Team Rimmer
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01-25-2007 07:37 PM  12 years ago
ChrisC

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Essex - UK

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Yep that the one I think it's also called the auto hub. I replaced the bearing and the sleave it runs on. It's was as a very funny 'vip' noise, as the rev increased.

Chris.
Hooked on Align
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02-11-2007 12:46 AM  12 years ago
gipper6

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Mckinney, Texas

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It was the clutch. Problem solved.The best way to make a small fortune in RC Helis is to start out with a large one. Debt from above!
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