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Old 12-08-2022, 08:52 AM
csdominey csdominey is offline
Join Date: Mar 2018
Location: Alvin, Tx
Posts: 50
Default Alternator questions - RV8A Installation

These pics are of an alternator that was being used on a Lyc O320-E2A that came off a Piper trainer. If I use this, I have to come up with my own installation - what is pictured there will not fit the RV8A cowl.
Was wondering if anyone can tell me anything about it, as used in the aviation community. I took it to an alternator shop, and it seems to work fine. The stamps though are so worn I can't make out a make or model - was told it was made for Chryslers, so maybe it should not have been on a certified engine.
If anyone knows how this might fit onto an 8A engine, I would appreciate the info. Looks to be quite old (1977 stamp is readable). Replacing it might be the right move. Thanks.
Clifford Dominey
Alvin, Texas
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Old 12-08-2022, 09:23 AM
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Ironflight Ironflight is offline
VAF Moderator / Line Boy
Join Date: Jan 2005
Location: Dayton, NV
Posts: 13,308

Pretty much no one uses a “stock” aircraft alternator (they are all automotive - Chrysler, FORD, etc…) on RV’s because they don’t fit under the cowl. If you do a search for “alternator here on VAF, you’ll have hours and hours (maybe days or weeks) of educational reading, but it all comes down to a Nippondenso case - folks use either an ND alternator from the auto parts store, or one built for experimental aviation by companies like B&C.

That one is best used as a boat anchor - or sell it to a certified airplane person who needs one!
Paul F. Dye
Editor at Large - KITPLANES Magazine
RV-8 - N188PD - "Valkyrie"
RV-6 (By Marriage) - N164MS - "Mikey"
RV-3B - N13PL - "Tsamsiyu"
A&P, EAA Tech Counselor/Flight Advisor
Dayton Valley Airpark (A34)
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Old 12-08-2022, 11:15 AM
jbDC9 jbDC9 is offline
Join Date: Jan 2005
Location: Houston, TX
Posts: 971

What Paul said… throw that thing in the junk pile, then pull up and order one of these;

John Bixby
RV-8 QB sn 82030 - 1st flight Nov 2006
O-360-A1D/CS prop/Pmags
1975 hrs
Houston, TX
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Old 12-08-2022, 01:16 PM
texdog texdog is offline
Join Date: Jan 2013
Location: Fredericksburg, Tx.
Posts: 441
Smile Rock Auto

What John said, 300+ hours on mine, no issues.
T82 Fredericksburg,Tx.
Don't make easy hard!
Master Pilot Award
RV6A owner N6711
L19 sold
ATP/FE/CFI 10 Type Ratings.
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Old 12-09-2022, 05:51 AM
csdominey csdominey is offline
Join Date: Mar 2018
Location: Alvin, Tx
Posts: 50

Thanks. Somehow I missed the Nippondenso info.
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