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HelicopterCompass Knight 50 ODIN 90 › Sport belt slipping
12-02-2007 07:40 PM  9 years agoPost 1
ecoliburger

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NORCAL

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I am having trouble with the belt slipping on the sport 50. Is this common? It is tight and I bought it used so I am thinking the belt gears may be worn out? You can hold the tail rotor and turn the head and get it to slip a couple cogs.
Thanks

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12-02-2007 07:43 PM  9 years agoPost 2
alf1096

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TX

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Mine does not do this. Check to make sure the belt is good and then go the be clogs. If that does not look like the problem check the main tail gear.

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12-02-2007 07:52 PM  9 years agoPost 3
ecoliburger

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Guess I should clarify the belt is slipping on the cogs.

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12-02-2007 07:58 PM  9 years agoPost 4
Tyler

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Chicagoland area

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belt

mine has never slipped.

Enjoy things that money can buy IF you don't lose the things money can't buy.

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12-02-2007 10:37 PM  9 years agoPost 5
helimatt

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Lafayette, IN

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Worn belt or worn pulleys (cogs) can lead to having the belt more prone to slipping. Shouldn't slip in normal condition.

Does it do this in flight? It may be necessary to replace a few compnenents- take the boom/belt apart and see what's what.

Never, ever, ever, ever give up.

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12-02-2007 11:45 PM  9 years agoPost 6
ecoliburger

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NORCAL

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Yes it does it in flight, you can hear it slip and watch the tail jerk

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12-03-2007 12:11 AM  9 years agoPost 7
Rodney

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St.Cloud,Florida

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Replace the 2 pullies, look at them and see if they are worn and have wear on the teeth. It will thick on the sides and thinner in the middle. Yes the do wear but it takes alot of flights with a loose belt.

Dx7 With Ion Power Supply. Why use anything else.

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12-10-2007 09:07 PM  9 years agoPost 8
ecoliburger

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NORCAL

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Replaced the pulleys and belt and that fixed most of the problem. Still getting some tail wag but no slip. Checked the tail bearings and they are installed correctly. Its an intermittent problem usually when high power is applied.

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12-10-2007 11:05 PM  9 years agoPost 9
Adey_Law

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Bournemouth, UK

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could the headspeed be going up a lot when you increase the pitch? this will increase the mechanical gain of the tail and although it wont wag in the hover when the headspeed goes up it will.

are you running a gov?

Ade

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12-10-2007 11:21 PM  9 years agoPost 10
ecoliburger

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NORCAL

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Yes running a gov, doesnt sound like the head speed is increasing. Any other ideas? Read another post that said the tail bearings need the od shaved a little, even tried that.

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12-11-2007 02:21 AM  9 years agoPost 11
rspblake

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London uk. coulsdon

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What tail blades are you running?

Does the model sound like its clean running, could be just tuning! richen up a click or two, might be going lean when you start flying around..

Check the tail push rod is free as well, a little oil on the tail shaft helps..

(gunnell_s) still owes me money! ... web evorc.com

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HelicopterCompass Knight 50 ODIN 90 › Sport belt slipping
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