Just as an update on what I am doing. I have a Zenair Ch250 I am
 slowly rebuilding from an accident and late last year I bought a
 recently damaged BD 4 . I have acquired 3 genesis rotaries . All are
 probably scrap but allow me to work on the modifications I am
 interested in. I have an arrangement (loose) to meet up with an
 engineer tomorrow to cut down an end plate . They are so heavy so I
 am looking at ways to reduce the weight.

 Alloy plates are out of the equation for me. I am thinking of
 something like a oil sump steel pan to retain end water.  I was
 interested in a single rotor engine as well but they don't loose
 enough weight (unless all alloy) to make them worthwhile .

 If I grind down the end plates loosing end plate intake passages I
 thought I could supercharge or turbo through the two middle ports.

 I have one other airframe which I believe is a JM-2 from Jim miller
 plans but I don't have the plans. Anybody?Apparently it flew once but
 I can't see how frankly. It looks very much like Pushy Galore.
 Single rotor and turbo?


 Mark Dillner


 I think the first alloy plate I will offer for the Mazda is the rear
 bell housing end. That should save about 20 pounds and is at the
 forward end of the engine.

 Don't give up on those engine before you measure the compression.
 They might be fine.

 We have a good way of doing that with a $60 Maxmite.


 Paul Lamar

 Hi Paul,

 I recently bought an Oscar SK90, a sports racer with a 13B
 powerplant. These cars were built by the Oscar factory for the Suzuka
 1000km race. I dont know the current state of the engine, time will
 tell.


 Also a mate down here is considering a building a Vision, and
 installing a 13B with alloy endplates. What do you think a 13b with
 alloy end plates and gear box FWF will weigh??


 Best Regards,


 Russ Ward

 New Zealand

 About 250 to 260 pounds. 250 HP.

 No turbo.

 About one pound per HP.  A 100 HP Continental  O 200 is 2 pounds per
 HP.

 Put a turbo on it and it is nearly unlimited :-)

 Paul Lamar

 Hi Paul,

 Heres the Oscar

Is this it

Looks good

Paul Lamar

Maybe.. I haven't picked it up  yet. The SK90 series were made with rotaries, the others with toyota 4AgE or similar. Apparently there is a guy in OZ who has one ans has all thr history. I'll keep you in thr loop.

cheers,

Russ Ward, NZ


Is there a Ferry boat between Oz and NZ?

Paul Lamar


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