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Joe the original regulator was a MIA881279, the replacement I used is the older style AM101406 as shown in your link and yes they wire differently (see attachment). Also the drawing didn't represent t ...

Yes I have replaced the regulator with no discernible change. This is a Zenith 601HDS with a Corvair engine, John Deere alternator and John Deere voltage regulator.

All the grounds come to a common ...

Bob my wiring diagram is attached to my message about 3 above this one. I've attached a chart of of two flights, one about a year ago where you can see a pretty steady 14 volts and a more recent fligh ...

Thanks for the response Bob. I know I'm getting an over voltage event because is trips the 5 amp breaker in the over voltage circuit and it's hot to the touch, plus I can see the voltage increase on t ...

Dale did the replacement voltage regulator solve your problem? I have the same condition with a Corvair engine and John Deere PM alternator. your description is identical to my issue.

Replacing the ...

Bill are you back in the US? When can I expect to hear from you regarding the engine you sold me with the mismatched pistons and poor head work?

Steve I suggest you go over to the MGL forum at http://www.mglavionicsusers.org/forum/index.php to get more information. The forum is independent of MGL but the company owner does contribute. The VAF ...

Sorry to hear about your problem but you're certainly not the first to be cheated by Bill Clapp. I to am trying to collect from him. Good luck and let this be a warning to anyone else who would deal w ...

If you really want to bleed off some altitude come down at VNE, I've done 170 mph a couple of times.

I have an HDS with the Zenith 10 gal wing tanks an 8 gal header tank and Corvair engine. No problem staying within the CG envelope. The forward CG is slightly below the minimum when calculated with a ...

If you haven't forced it and galled the threads try to get some penetrating oil down into the threads. The threads seem to gall easily and once that happens you are screwed. I know, I ended up using a ...

I'm thinking about ordering vinyl N-Numbers from here http://www.custom-vinyl-lettering.net/ and would like to have a little fancier font for the lettering. I've read through the Far's 45.2x and don't ...

I've been reading up on APRS and believe this is the way to go. TrackMe is completely free if you have a gps enabled phone and a data plan but you are relying on cell phone coverage which will diminis ...

I thought I'd pass on a great little application I found yesterday. It's named TrackMe and can be found at http://www.luisespinosa.com/trackme_eng.html. It uses your cell phone to send coordinates to ...

I have not sold it, it's still available.

I have a Rotax Engine Mount for sale for a Zenith 601. I purchased a barely started 601HDS kit a couple of years ago and this engine mount came with it. I am going with a Corvair so I have no use for ...

Jay do you have a dwg of the tail dragger?

Thanks for the replies, I am a registered builder on the Zenith website and the construction manual is not one of the available items. Ben thanks for your perspective it was really helpful. I'll conta ...

I have a 601 HDS and would like to get a copy of the construction manual in PDF format is someone would be so kind as to email one to me.

I have a legitimate copy of the plans and serialized const ...

Larry would you mind PM'ing a copy of your POH to me as well. This would be a big help to my HDS.

Thanks