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Old 12-01-2022, 04:45 PM
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I figured out what was causing the chirping/squealing metallic noise on my 180GK, the prop drive was slipping. When I shut down the engine the prop was indexed to a different position than where I had tightened it. I tightened it again and it slipped again. One last tightening with so much force that I thought maybe the nut would strip or the prop drive would split open and.......joy-joy. I always clean the crank, split collet and prop drive with brake cleaner before assembly and have never had to put THAT much force on one. Wow.

Last edited by Glowgeek; 12-01-2022 at 05:34 PM.
Old 12-01-2022, 05:14 PM
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Good thing it was able to take-up at last. Maybe the operation while slipping has worn away some of the mating areas. At some point the split faces of the collet could bottom and lose the ability to lock up. Just a thought.

Anyhow, you good to go now
Old 12-01-2022, 05:53 PM
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Originally Posted by Jesse Open
Good thing it was able to take-up at last. Maybe the operation while slipping has worn away some of the mating areas. At some point the split faces of the collet could bottom and lose the ability to lock up. Just a thought.

Anyhow, you good to go now
Certainly a possibility, there is evidence that it had slipped on the previous owner. Annular rings worn on the mating surfaces. After that last tightening there remains a small space in the collet split.

This "low time" "ready to mount and run" 180GK engine has not been the best investment. The prop drive has smeared knurling around the outside 1/8" of the face from a slipped prop. That is the most critical area so it will have to be replaced. The camgear had a loose lobe which ruined a tappet. The rear bearing was improperly seated and ruined from pulling it in with the crankshaft. Win some, lose some. It's all good.
Old 12-01-2022, 07:41 PM
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Went from poor running to good running.
A worthwhile journey

If/when the driver is replaced you may want to include the collet too.

Last edited by Jesse Open; 12-01-2022 at 07:43 PM.
Old 12-01-2022, 08:17 PM
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Originally Posted by Jesse Open
An HP .61 Rear Rotor ABC just appeared !


How about it? Worth the postage to OZ?
Appears un-run, like new. Well preserved too.
hey, I wonder who has one of those? . this one in above has a short nose. while the one 2 feet from me has a long nose.
Jim





Last edited by the Wasp; 12-01-2022 at 08:19 PM.
Old 12-01-2022, 08:32 PM
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hey Gary, do you have an extra muffler you don't need that will fit these^ Ding Ding 61 HP engines. I need one.

Hi Pete. what have you been painting lately?
Jim
Old 12-01-2022, 09:34 PM
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Originally Posted by the Wasp
hey Gary, do you have an extra muffler you don't need that will fit these^ Ding Ding 61 HP engines. I need one.
Jim
Mecoa has them, for just under the price of one healthy testicle.
Old 12-01-2022, 09:58 PM
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Originally Posted by J330
Mecoa has them, for just under the price of one healthy testicle.
LOL LOL yeah, that's where I bought my engine.

thanks!
Jim
Old 12-02-2022, 04:15 AM
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Jim, I had one of these for a few years, I had the Mac's over, under exhaust headers for it and two Mac's tuned, quiet pipes. It almost required a second plane to haul the exhaust.

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Old 12-02-2022, 08:22 AM
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Originally Posted by 1200SportsterRider
Jim, I had one of these for a few years, I had the Mac's over, under exhaust headers for it and two Mac's tuned, quiet pipes. It almost required a second plane to haul the exhaust.
What plane did you put it in?
I was interested in that one but it seemed best suited for a warbird fighter, possibly Allison powered.


Old 12-02-2022, 06:52 PM
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I was going to buy one of those twins. but not now, the price is now up to $570. less mufflers of course.

but,,, if I win a lottery I will buy 2 and send one to Pete

Jim
Old 12-02-2022, 09:37 PM
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I want the one on the left LOL



Last edited by the Wasp; 12-02-2022 at 10:03 PM.
Old 12-03-2022, 02:40 AM
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The 120 was never mounted on a plane. It was just here and was admired, then sold. It had a magnificent howl though.
Old 12-03-2022, 03:08 PM
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I'm howlin just lookin at em Dave...
Old 12-03-2022, 04:05 PM
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Better, Pete?


Old 12-03-2022, 06:54 PM
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Is there a black and gold version?
Old 12-04-2022, 04:15 AM
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Originally Posted by Monty Python
I'm howlin just lookin at em Dave...
If you want to run a Saito early in the morning,(at home), the Mac's tuned Quiet Pipes make them purr like a kitten and yet do not detract from the performance.

A Saito 80, the prop is louder than the exhaust.
Old 12-04-2022, 03:50 PM
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Great idea Dave.

My nearest neighbors are 1/8 mile away, so no problem with noise, but they made it very clear that if I fly one of my planes over their property they'll shoot it out of the sky. Welcome to Arkansas! It's not so much that they dislike me specifically, they hate everyone equally.

Last edited by Glowgeek; 12-04-2022 at 03:53 PM.
Old 12-04-2022, 07:32 PM
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Originally Posted by Glowgeek
Great idea Dave.

My nearest neighbors are 1/8 mile away, so no problem with noise, but they made it very clear that if I fly one of my planes over their property they'll shoot it out of the sky. Welcome to Arkansas! It's not so much that they dislike me specifically, they hate everyone equally.
well then. you got to put a 61 2st'er on a junky plane.. nO muffler and do fly it over the guy's house. snicker-snicker

Jim
Old 12-05-2022, 03:12 PM
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Originally Posted by Glowgeek
Great idea Dave.

My nearest neighbors are 1/8 mile away, so no problem with noise, but they made it very clear that if I fly one of my planes over their property they'll shoot it out of the sky. Welcome to Arkansas! It's not so much that they dislike me specifically, they hate everyone equally.
Arkansas eh? some pretty serious dudes in your state. Trooper Jacob Byrd is famous down under, that guy can drive man.
Old 12-05-2022, 04:05 PM
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Originally Posted by the Wasp
well then. you got to put a 61 2st'er on a junky plane.. nO muffler and do fly it over the guy's house. snicker-snicker

Jim
Originally Posted by Monty Python
Arkansas eh? some pretty serious dudes in your state. Trooper Jacob Byrd is famous down under, that guy can drive man.
It's not the man of the house, it's his wife that said she'd shoot down my planes. A self proclaimed witch, a sister of the coven. I should think she would be happy to have someone to fly with.
Old 12-05-2022, 10:19 PM
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Doesn't like the competition.
Old 12-06-2022, 04:17 AM
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She needs a fourstroke broom.

My brain had a thought where it suggested that I look into buying another FA 40-a. They cost $259.95 at Horizon and $366.38 at MacGregors. It irritates me that Horizon and Mac's both show a 10 x 4 at 10,500 rpm and my current one turns a Xoar 11 x 6 at 10,300. Oh well.


FA 30-s and 40-a side by side.

Last edited by 1200SportsterRider; 12-06-2022 at 04:25 AM.
Old 12-06-2022, 05:32 AM
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Buy two fa40's for the price of one here:

https://www.rcgroups.com/forums/show...th-remote-Glow

​​​​​​​Aaaaaaand........sold!

Last edited by Glowgeek; 12-06-2022 at 07:43 AM.
Old 12-06-2022, 08:02 AM
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Originally Posted by 1200SportsterRider
She needs a fourstroke broom.

My brain had a thought where it suggested that I look into buying another FA 40-a. They cost $259.95 at Horizon and $366.38 at MacGregors. It irritates me that Horizon and Mac's both show a 10 x 4 at 10,500 rpm and my current one turns a Xoar 11 x 6 at 10,300. Oh well.
.
Sounds about right.

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