Mailing List Message #67358
From: Finn Lassen <>
Subject: Re: [FlyRotary] Re: Engine designation on form 8050-88 for a/c registration?
Date: Thu, 29 Dec 2022 10:20:20 -0500
To: Rotary motors in aircraft <>
My old RV-3:
My current RV-3B:

On 12/29/2022 9:43 AM, Finn Lassen wrote:
Same for N84TC, Tracy's RV-4.


On 12/28/2022 10:37 PM, Charlie England wrote:
Thanks, Finn, that's interesting. After I read your post, I tried looking up one of Tracy's, and it says 'unknown'. I like 'vague', if I can make it fly. ;-)

Anyone else have one to share?

On 12/28/2022 7:23 PM, Finn Lassen wrote:
I don't think I had a choice. Reciprocating Finn

On 12/28/2022 6:44 PM, Charlie England wrote:
Question for you guys who've registered your rotary powered a/c in the USA.
Is your 'type of engine' simply 'rotary' (could be confused with Le Rhone, etc) or 'reciprocating', or 'reciprocating (rotary)', or...?

For the engine 'manufacturer, model and serial number', did you use 'Mazda', etc, or your own name/model/etc, or something else?

Many thanks,


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