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  1. Cootflyer

    COOT-A Amphibian Plans

    I would like to say it is nice to see more interest in this plane I live in the same area that Molt did never meet him (he past away in 97) I did meet his widow in 02 I have a set of plans but in the coot group on yahoo there is a guy from I believe Canada that has put the plans on disc and...
  2. Cootflyer

    Auto Gas

    I have wet tanks in the wing they are Vinalester 100 gallons total the big problem sealing the fitting mine has a tube that is threaded for the fitting the fiberglass and the brass expand at different rates as the saying goes dope it it up hard
  3. Cootflyer

    Help Me Source a PSRU for Project

    This is Ken Welters Coot he runs cog belt 2.95 to 1 in the Coot you could take it up to 1.7 to 1 (the Coot is needing alot of torque to get it out of the water) the cog belt is the same thing they use for nitro funny cars that have 6000hp
  4. Cootflyer

    Help Me Source a PSRU for Project

    This is the Welter Psru on a Coot it is a Wankel 13b it is spinning a 5 blade Warp Drive
  5. Cootflyer

    Auto Gas

    The wankel rotary will run on 100LL but after 10-20 hrs of running you will need to change or clean the plugs that is the only problem you will not be restricted on the octane it will run on any thing just not heavy fuels
  6. Cootflyer

    Help Me Source a PSRU for Project

    I have a pic of the motor and psru contact me if you have problems viewing
  7. Cootflyer

    Help Me Source a PSRU for Project

    Sorry I have not check the posts lately question was how much horsepower can a Welter PSRU take I would be safe in saying 10,000 rpm at 350 plus horsepower Ken bulit one for me with a 2.95 to 1 with a Wankel rotary 13b it cruised at about 6500 rpm(motor)this is 2200 prop speed
  8. Cootflyer

    Help Me Source a PSRU for Project

    I do have a direct contact with Ken Welter He makes cog belted psru
  9. Cootflyer

    Mode S and Sat Nav (Sat Nav elt)

    It sounds like they are wanting both mode s and sat nav by 2020 if they have there way it looks like we will have to spend a bundle of money?
  10. Cootflyer

    Mode S and Sat Nav (Sat elt

    How the general public views this issue ? (large expense )low end mode s 3000.oo low end elt sat is going for 900.oo like I said low end
  11. Cootflyer

    Cog Belt Rotary

    Nitrous Oxide correct NOS market name
  12. Cootflyer

    Cog Belt Rotary

    I have flown a cog belt rotary and and a regular direct drive aircraft motor (sisterships)and I can tell you that the rotary was alot smoother running. As for a cog belt psru and runtime Ken Welter puts about 200 hrs on the belt and installs a new one. The belt does help dampen the pulsation...
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