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Old 04-23-2022, 07:17 PM
RVDan RVDan is online now
Join Date: Jun 2012
Location: Frederick, MD
Posts: 975

The interior part looks like a shock mount. The exterior is a ball end with the ball through stud screwed into the shock mount. Probably for mounting something, as others suggested, very possibly an exhaust extension. Common in Europe for noise regulations.
Dan Morris
Frederick, MD
PA28-140 sold
Hph 304CZ sold
RV6 built and sold
N199EC RV6A flying
Retired Aerospace Engineer and A&P/IA
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Old 04-24-2022, 07:57 PM
Planecrazy232's Avatar
Planecrazy232 Planecrazy232 is offline
Join Date: Aug 2015
Location: Cape Coral, FL
Posts: 496

Iíll go out on a limb and say itís for a chem trail generator.


RV6-A "Aluminum Mistress"
Too many hobbies- not enough time.
2016, 2017, 2018, 2019, 2020, 2021, 2022 donor and happy to do it.
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Old 04-25-2022, 05:18 AM
06ktrv6 06ktrv6 is offline
Join Date: Feb 2008
Location: Halifax,VA.
Posts: 27

Some earlier Eggenfellner Subaru power plants used this for a muffler anchor before an in cowl muffler was developed
Kelly Landrum
Halifax, Va.

RV6 N6RP rebuilding
RV6 N9XK bought and flying
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Old 04-25-2022, 06:29 AM
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Captain_John Captain_John is offline
Join Date: Jan 2005
Location: KPYM
Posts: 2,720

Originally Posted by Planecrazy232 View Post
Iíll go out on a limb and say itís for a chem trail generator.

I have the same one on my plane!

I hear that the current administration is going to bring the program back, so they will become more prevalent!

RV-7 Flying - 1,400 Hours
TMX-IO-360, G3i ignition & G3X with VP-X
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Old 04-25-2022, 07:14 AM
truflite truflite is offline
Join Date: Aug 2005
Posts: 128
Default What is it

It looks like a muffler bearing. It could be a mount for an auxiliary alternator fluid tank. If it shock mounted, you won't need crankshaft return springs.
David Nellis
7A slider finishing kit
2015 VAF dues paid
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