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I once asked them about folding wings and got a rather curt reply. I think
they are not messing with what theyve got.

Fr. John

"dave B." wrote in message
news:39fd0f59.16455375@news.tomatoweb.com...
> There have been a few reports of upright engine installations on the
> Challenger, but not much is said about them. Im not an expert on it,
> but after hearing all the talk back and forth on the subject it became
> clear that the problem is that the Challenger is not designed to
> handle an upright mount. The reason I see is that the thrust line for
> the air flow from the prop to the tail is built in for a engine down
> installtion and trying to raise the prop by using the larger redrive
> is more than likely the highest you can raise it and still have proper
> air flow over the tail.
>
> I know that drag is a big consideration, but like you I see other
> ULs with upright engines and wonder why the Challenger doesnt have
> one. It doesnt make much sense. It would require new tooling and
> design and maybe the factory cant afford it, to make the changes to
> update the current model, that is over fifteen years old?
>
> dave b.
>
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>
> On 30 Oct 2000 04:31:41 GMT, jarunnles@aol.com (JARunnles) wrote:
>
> >Hi all I have a Challenger II that I have just put on a new 503 DCDI. I
have a
> >problum. I have ordered the new tall redrive from the factory over two
months
> >ago and have still not got it. Dave said that the place that makes the
drives
> >is having trouble with there machines. What I would like to know have any
of
> >you Challenger owners ever mounted your motor up right and used the Rotax
gear
> >box? I have looked at the motor mount for the single place T-Bird and it
looks
> >like it will work good on the Challenger. But I would like to talk to
someone
> >that has mounted theres upright and see what it did to the handling in
flight.
> >Thanks
>

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