flyrotary@lancaironline.net Mailing List Archive

Hi Georges,

There is some experimental stuff also, which you may not be aware of yet. I have a single rotor engine with PP running. It is based on 12A parts. This one does run with a carburetor and no close up butterfly, or anything else for that matter. It idles at 1200RPM, and is respondin real good to throttle opening.

It is at a very early stage of development, but there is no reason to believe that it could not get even better as the developement goes on.

The intake opening timing is identical to the LM engine, closing is a little earlier at this time. There is, however no reason to expect an impact on idle speed from having a later closing when high power tuning is complete.

Richard Sohn
N-2071U

----- Original Message -----

From: Echo Lake Fishing Resort (Georges Boucher)

To: Rotary motors in aircraft

Sent: Tuesday, February 22, 2005 7:38 AM

Subject: [FlyRotary] Re: FW: slide throttle for 13B Rotary

Hi! Rusty

Thanks, I had the same opinion on Lamar after reading his endless postings on theoretical stuff. I don't mind the theory on the ground but not in the air. I like your point of view. Can you tell me where to get a good street port template for a 6 port 13b?

Thank you.

Georges & Gail Boucher

2126 Creighton Valley Road

Lumby, British Columbia

Canada V0E 2G1

(250) 547-6434

www.echolakefishingresort.com

www.echolakefishingresort.ca

-------Original Message-------

From: Rotary motors in aircraft

Date: 02/22/05 05:46:08

To: Rotary motors in aircraft

Subject: [FlyRotary] Re: FW: slide throttle for 13B Rotary

I ordered the 2.85:1 drive, I was planning on street porting but Paul Lamar pointed me in the P-port direction. I was thinking of an Ivoprop 76" 3 blade to with a good street port, I would like to get 200hp. I'm planing on using the lower intake manifold with 15" extentions & I haven't decide on slide throttle plate or?

Hi Georges,

You'll find that most folks on this list are not Paul Lamar followers. He's got lots of great theories, but he's never built a single rotary engine to my knowledge. If you want to truly experiment, that's great, but recognize that you WILL be blazing new trails, and likely suffering some consequences along the way. If you want something that's known to work, then copy what's known to work.

Folks with fast planes tend to have problems with drag from the IVO at high speeds (over 180 mph or so), but they climb great. Sounds like it's probably a good choice for your application though.

Cheers,

Rusty (aviating again soon)

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