Ok.
    Let's shelve diesel wankel. Turbo compound rotary should achieve the same specific fuel consumption. How do we go about making a big turbine for the hot recover section?. Who could we hire to make this item without charging an Aerospace prize? Could this turbine be the flywheel itself? Thanks.

    leman wings



    http://www.barber-nichols.com/

    Paul Lamar ......In NZ




Pratt and Whitney's PT6 is 50 years old this year, there was an article in the AOPA about it. I recently completed my A&P, and the DME had 3 old PT6s there for the test and for parts. The point is that I dont think we need to reinvent the wheel. There are many many small sized turbines that parts like the power turbine can be removed from for testing. These are designed for the high temps and high rotational speeds. I think maybe a turbine can be attached to either the flywheel or the front end and eliminate much of the weight and parts and pieces of the first generation TC. Just like Paul did for TC 1.0 with the DD TC parts, an already produced part would keep costs down.

As far as a diesel rotary, if the TC gets the BSFC down, the only real benefit to a diesel rotary would be the ability to burn jet fuel in parts of the world where avgas is not readily available.

As it relates to the low compression ratio, the older 2 stroke detroit diesels had relatively low compression, and the answer was a roots type blower.

Kevin Alderman


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