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06-16-2015 12:21 PM  35 months agoPost 1
tango9

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marquette, mich usa

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Had the 2nd tailrotor break on my G20 the other day. Hovering up about 40 ft. when it snapped. Auto rotated her back to Earth safely. Everything balanced well and very steady in a hover. Is there a more durable tail rotor out there for the G20. This was the stock flat sided tail rotor. Thanks, Jim

jim

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06-16-2015 02:38 PM  35 months agoPost 2
RM3

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Killeen, Texas - USA

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what part snapped? the shaft or the feathering shaft?

I have had a tail shaft snap on a belt drive before right at the part where the pin goes thru the pulley... the issue there is if you put too much tension on the belt it will break at that point.

if it breaks at the feathering shaft and lets loose a tail blade, thats also a (sadly) common issue on older units as they had machined a sharp edge on the shaft that should not have been done. this is where alot of guys switched over to a Align tail rotor unit.

lastly I have also snapped a Torque tube... the issue here is that sometimes the tube will begin to oscillate inside the boom like a jump rope on both sides of the TT support bearing. to solve this you have to install an additional support bearing making sure there the distances between the bearings and both ends are unequal.

showing a preference will only get you into trouble, 90% of everything is crap...

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06-16-2015 03:08 PM  35 months agoPost 3
tango9

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marquette, mich usa

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It was the feathering steel rotor shaft with the flat side. snapped right off. I built this in 2010. It has been flown very gently, no 3d. Seems like not too good of a piece of metal. Could the align 600 tail rotor and metal grips be used instead or would the ball links not connect properly?
If I go with the Align 600 metal tail parts do I need the whole tail assembly or would the align V2 metal tail rotor holder adapt to the century metal pitch slider? Thanks for the info RM3

jim

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06-16-2015 05:53 PM  35 months agoPost 4
RM3

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Killeen, Texas - USA

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many of us have replaced the hub, grips and slider as one unit with no other changes. Any align unit that uses the slider with the one ball on a 600 usually fits. sometimes you may need to use a slightly longer ball to ensure that it does not pivot to far out of the pitch control crank socket. Some time back I went thru all the trouble of actually disassembling the slider and using the century slider with the Align pitch arms... then I just went with the whole align unit. Its been working on two of my gassers since I have had them.

The Align unit really is a much better unit overall, more durable, better pitch control and easier to find parts... the Century unit I just always had issues from the get go.

showing a preference will only get you into trouble, 90% of everything is crap...

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06-16-2015 10:40 PM  35 months agoPost 5
tango9

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marquette, mich usa

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sounds like that's the way to go. Altho that was my first auto, it would be nice to avoid that happening again. I've done hundreds of auto's on the phoenix flight sim, but never tried it on the RAD. Had a Blade 4503d that auto'd nice, also less to fix if I screwed up. Now I know how the G20 handles auto's, just like the sim. I'll have to practice the real thing when I get it up running again. Thanks again for the information, RM3, JIm

jim

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