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HelicopterCentury Radikal G20-30 N640 Hawk Predator › Best way to find glitch
09-02-2003 10:44 PM  14 years agoPost 1
hawkflier

rrApprentice

Cameron Park, Ca.

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What is the best way to locate where the glitching is coming from?

I have checked double checked and checked again all bols nust and anything that is metal. All is tight, I replaced the mast bearings just to see if that was it, nope. I'm going nuts because my Raven wants to soar. I'm guessing that it has to be a wire thing, but I don't know for sure.

who the hell typed hawkflier instead of hawkflyer? Must have been that red headed stepchild of mine

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09-02-2003 10:53 PM  14 years agoPost 2
Cayuse

rrNovice

Music City, USA

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This may sound completely crazy but you might try a different battery. I bought an 1800 mah JR Rx battery for my Raven and was plagued by random glitches that would twitch all of the servos at once. The battery got low one day while I was out trying to find the glitch and so I traded in an old 600mah airplane battery that I could charge quickly and...

no more glitch.

I am still in the process of soring out the problem with a LHS but replaced it with a new 1400mah battery and still...

no more glitch.

The battery would cycle and load up fine but it must have a loose solder joint or something.

HTH,

Steve (8C>

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09-02-2003 10:54 PM  14 years agoPost 3
hawkflier

rrApprentice

Cameron Park, Ca.

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Hmmm good thought

This battery has taken a few hits from low altitute crashes better do just on principle

who the hell typed hawkflier instead of hawkflyer? Must have been that red headed stepchild of mine

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09-02-2003 10:56 PM  14 years agoPost 4
Obsessive

rrKey Veteran

41.73N 71.41W

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Glitching -

On the "bench", chuck a small allen head wrench up into a dremel tool, spin it up, and touch the body of the dremel to:

The Rx
Each servo

Also, modulate the speed on the dremel to see if it's resonant glitching at a particular RPM.

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09-02-2003 11:40 PM  14 years agoPost 5
Signman

rrApprentice

Bristol, Virginia

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Another place to look.......................presure fitting on the muffler.

Hawk IV, TT.39, Futaba 9C, 401/9253 GV-1 (all gathering dust now)

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09-03-2003 01:26 AM  14 years agoPost 6
Boomstrike

rrNovice

Brownstown, Michigan

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Clutch Assembly

I could almost bet that your Clutch Bell has slight end play on your crank shaft. This allows the two washers that go on the crank before anything else to vibrate. I had the same problem and went on changing out receivers', battery switch, battery, crystal etc. and also looked high and low for loose parts with none to be found.

I found that the start shaft was eventually loosening up the assembly after so many starts. Did it Twice . No more though. Extra tite and extra lock-tite


Steve

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09-03-2003 02:47 AM  14 years agoPost 7
SteveH

rrProfessor

Texas

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I've seen a worn plastic sleave on the bolt that goes into the swash thru the antirotation bracket cause a glitch. Check to see that the plastic is not worn thru where the bolt slides in the bracket.

Make sure the the tail boom supports are not cracked where they attach to the frames.

Another area where I've seen glitches caused is between a tuned pipe and header pipe. Don't know what type of exhaust you are using but if it's a tuned pipe or any other system with a silicone sleave, make shure there is some clearance, at least 1/4", between the two exhaust components.

Hope this is of some help.

The government cannot give you anything without first taking it from someone else.

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09-03-2003 03:41 AM  14 years agoPost 8
Lift

rrElite Veteran

Houston, TX

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Hawkflier,
Check the bolt machine screw that joins your side servo plates to lower frames. If it works loose(or OUT) then you have two metal frames chattering on each other. GUARANTEED Rf glitches.

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09-03-2003 02:06 PM  14 years agoPost 9
55crownvic

rrVeteran

Colorado Springs

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Dont know if the Raven has the same tail/rod setup as the Hawk, but if it does then check the screws that attach the boom supports to the horizontal fin. Mine was too long and touched the T/R linkage wire and caused a bad glitch.....................Dave

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HelicopterCentury Radikal G20-30 N640 Hawk Predator › Best way to find glitch
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