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From: Dale Rogers <rogersda@cox.net>
To: "Rotary motors in aircraft" <flyrotary@lancaironline.net>
Subject: Re: [FlyRotary] Re: Quiet
Date: Sat, 18 Sep 2004 10:54:18 -0400
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David Staten <Dastaten@earthlink.net>  wrote:

> [Lynn Hanover:]
>>
>>Mount the aircraft engine in an old RX-7 and drive it around for a month. You 
>>can see most of the problems coming up and just not put them into the 
>>airplane. Lots of fun too. And if there is a real big problem, you're already on the 
>>freeway instead of trying to find a freeway.
>
>Great idea, but probably not legal. A ported engine will >have difficulty meeting emissions... Most of the >emissions-specific items are removed in the aircraft >engines, and many of us are using electronic control units >that do not meet (or were never tested) to be street-legal >from an emissions standpoint, so unless this month is "on >the dyno" or "on the track" its probably not very practical
 
Dave,

   You're not being imaginative enough.  The emmissions folks 
certify the _vehicle_ not the engine.  So get the vehicle 
certified with the "street" engine in it, then replace the 
engine with the aircraft version.  Drive it.  Before next 
emissions check (One year?  Two?), put the "street" engine 
back in the car.  You're going to want to put the "test" 
engine into your airplane, anyway, right?

Dale R.
COZY MkIV-R13B-NA #1254
Ch's 4, 5, & 23 in progress

P.S. - Folks, if you send your replies as attachments, it makes 
a bit of a headache for some of us to quote for a reply.