Subject: Renesis
From: Rotary Engine
Date: 6/22/2005, 1:33 AM
To: AA-me


>
>> > Tony,
>> > I was racking my brain trying to think where
>> Calgary was in Western
>> > Australia or USA - as soon as you said Canada the
>> penny dropped.
>> > Yes ! Rupert Gardiner ( Asian Auto Parts) is in
>> Brisbane, Queensland,
>> > Australia.-
>> >  Ph 61 7 32080133 - Fax 61 7 32080514;
>> Address:-198, Kingston Rd.,
>> > SlacksCreek Q.4127
>> > Our Local Price is $2,300 Aust - I believe your
>> exchange rate is
>> > similar to
>> > our own of 75 cents in the US Dollar.
>> > A chap in the USA purchased a motor from Rupert
>> paid $550 for
>> > Freight and
>> > Paperwork, that represents approx $670 Aust,
>> weight is 100 kilos.
>> > You would have to confirm actual prices with Rupert!
>> > That's approx $3,000 Aust/ Canadian Dollars -
>> that's not bad, but
>> > you should
>> > check locally first to see what deal you can get
>> locally.
>> > George ( down under)
>> Currently there is an almost-new Renesis (manual)
>> engine and transmission on ebay (7979203422) with
>> the price sitting at $3K.  It has 2,000 miles and is
>> being replaced with a bigger engine.  Tracy advised
>> the automatic is an easier install than the manual
>> version (intakes, flex plate, etc.), but the manual
>> version will have more HP in the higher rpm range.
>> Scott Gettings
>
>  Scott,
> It seems like a good deal to me!
> How much HP do you need and at what RPM is that extra HP available?
> George ( down under)


> Here is the stock HP curve for the low power RX8 motor.
>
> If it ain't a rotor it ain't a motor :)
>
> Paul Lamar

Well, I really need only 200 hp, so the auto engine should be fine.
My plane spec's a 4-blade Warp Drive, which can only absorb 50-hp per
blade.   I could  always add another blade if necessary.

One problem is the plane takes a very short prop: 65-66"  You can put
plenty of rpm on the prop shaft and still not have an excessive tip
speed when compared to a 72-78" prop.

65" prop at 90 degrees F:

Prop RPM   Prop MPH  Prop Mach  Engine@2.17   Engine@2.85
2750   531                .680              5967                 7837
3000            580               .741               6510
   8550
3250            628               .802               7052
   9262
3500            677               .864               7595 too fast!

Scott Gettings




Scott,

what plane are you building/flying?

Thomas J.


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