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  1. Replies
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    You cannot remove the Rev Limiter from the...

    You cannot remove the Rev Limiter from the Computer (EMM). You cannot modify the EMM. Only the factory can do it and they won't. Blame the EPA.
  2. There is a turbo OMC 3 cylinder out there...

    There is a turbo OMC 3 cylinder out there producing 150hp+. There is a video or 2 out there on youtube.

    The highest HP that OMC themselves was able to produce on the factory dyno's was 119hp I...
  3. Thank you for your tip re www.ozboatracers.com ...

    Thank you for your tip re www.ozboatracers.com I tried it but the site has been closed down. I never knew it existed until your post above. Thanks anyway.

    Ken Finlay
  4. Sticky: Are there any VIDEO's with sound out there of...

    Are there any VIDEO's with sound out there of these motors.
  5. Sticky: Thanks John. I received both emails and responded...

    Thanks John. I received both emails and responded to George. Hope I can help.

    Ken
    liquidnirvana@y7mail.com
  6. Replies
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    The Worlds Fastest OUTBOARD - This is the FULL...

    The Worlds Fastest OUTBOARD - This is the FULL VERSION

    http://www.youtube.com/watch?v=bLDM1kE8pVw
  7. Sticky: Bring it on Wolfgang, we sure would like to see...

    Bring it on Wolfgang, we sure would like to see everything you've got. Do you have any audio or "video" of the Rotary's... Very Very RARE. The one I have posted took years to find. It would be...
  8. Sticky: At least we know that is not the Rotary Sound. ...

    At least we know that is not the Rotary Sound.


    The search continues my friend.. I will NEVER give up.


    Ken
  9. Peter, Do you have any pictures of a tunnel...

    Peter,

    Do you have any pictures of a tunnel hull called 'INDY' It had one of the very first V4 Johnson Stingers back in about 1970. It was a 14' tunnel driven by Brentyn Harrison fron South...
  10. Sticky: I believe there are 4 race OMC rotary's still...

    I believe there are 4 race OMC rotary's still around, maybe even 5 :eek::eek:. 2 definately in a private collection. John S. knows more. Could be at least one at BRP, but trying to penetrate the BRP...
  11. Sticky: Here is a little more information written by JOHN...

    Here is a little more information written by JOHN SHELDON, the chief 'inside' contributor to this wonderful thread. Without him it could be safely assumed that much of the inside story of the OMC...
  12. Replies
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    The motor cover is from a 1966 Johnson 100hp. The...

    The motor cover is from a 1966 Johnson 100hp. The 100hp was also manufactured in 1967 & 1968. The lower part of the cover had a light green ('67) & Dark Green ('68)
    ...
  13. Replies
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    RARE RARE RARE - BRP should take a look at...

    RARE RARE RARE -

    BRP should take a look at this. I was told that this motor was a a breakthrough in technology & many were astounded that OMC did not put it into production.

    Ken
  14. Sticky: http://inlinethumb33.webshots.com/42336/2669213290...

    http://inlinethumb33.webshots.com/42336/2669213290091848696S600x600Q85.jpg
    The OMC 6hp Prototype Rotary outboard powerheads
    ...
  15. Sticky: Sorry I missed this John. The "Mac" name caught...

    Sorry I missed this John. The "Mac" name caught me unawares.

    Ken Finlay.

    http://inlinethumb26.webshots.com/44697/2571876280091848696S600x600Q85.jpg
    ...
  16. Sticky: http://inlinethumb50.webshots.com/44273/2128001830...

    http://inlinethumb50.webshots.com/44273/2128001830091848696S600x600Q85.jpghttp://inlinethumb54.webshots.com/43765/2395127260091848696S600x600Q85.jpg
    ...
  17. Sticky: http://inlinethumb05.webshots.com/42116/2747186470...

    http://inlinethumb05.webshots.com/42116/2747186470101354590S600x600Q85.jpg

    I drop this in just for historical significance. OMC were into different propoltion units all through their history. Even...
  18. Sticky: Probably because they were running the 15:17 gear...

    Probably because they were running the 15:17 gear ratio used in the previous Parker Race, plus the boats were designed for V4 & had a tendency to barrel roll on turns with the Rotary power.
  19. Sticky: Wayne, you are amazing. Do you have editorial...

    Wayne, you are amazing.

    Do you have editorial available through any of your boating magazines on the Rotary racing & results from '73 to '76. Anything you may have or anybody else would be...
  20. Sticky: Random EMAILS from John Sheldon, I am posting...

    Random EMAILS from John Sheldon,

    I am posting as they were sent to me. This is very cool stuff & gives a tiny insight on the OMC Rotary program.

    Ken:
    I already talked to BRP. They have no...
  21. Sticky: Click on the picture and then go to FULL SIZE to...

    Click on the picture and then go to FULL SIZE to make it bigger

    http://inlinethumb14.webshots.com/43469/2646941850091848696S600x600Q85.jpg
    ...
  22. Sticky: http://inlinethumb30.webshots.com/43229/2808610490...

    http://inlinethumb30.webshots.com/43229/2808610490091848696S600x600Q85.jpg
    ...
  23. Sticky: There are four of the latest & greatest 1976 OMC...

    There are four of the latest & greatest 1976 OMC Rotary's unraced & complete with Dyno sheets, & still in their boxes out there somewhere & I BET I KNOW WHERE as well. They are VERY DIFFERENT to the...
  24. Sticky: http://inlinethumb23.webshots.com/41430/2819077820...

    http://inlinethumb23.webshots.com/41430/2819077820091848696S600x600Q85.jpg

    http://inlinethumb03.webshots.com/44162/2662159710091848696S600x600Q85.jpg
    ...
  25. Sticky: Wayne (Master Oil Racing Team), your posts are...

    Wayne (Master Oil Racing Team), your posts are exceptional, your tenacity in bringing them to us, inspiring, and your love of taking the time to share, to collect, to photograph, to collate, to...
  26. Sticky: CLICK ON THE PICTURE & then "FULL SIZE" to make...

    CLICK ON THE PICTURE & then "FULL SIZE" to make it bigger....
  27. Sticky: CLICK ON THE PICTURE & then "FULL SIZE" to make...

    CLICK ON THE PICTURE & then "FULL SIZE" to make it bigger.


    http://inlinethumb15.webshots.com/45262/2894328150091848696S600x600Q85.jpg
    ...
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    An absolute "Work of art". You are a credit....

    An absolute "Work of art". You are a credit. Thankyou for sharing. I'm sure everybody that see's this will be as impressed as I am.

    Ken
  29. Sticky: My understanding was that the boxed engines were...

    My understanding was that the boxed engines were the new style no bolt engines. They were unraced & were packed with dyno sheets.
  30. Sticky: CLICK on a picture & go to "FULL SIZE" to make it...

    CLICK on a picture & go to "FULL SIZE" to make it larger.

    http://inlinethumb13.webshots.com/44044/2737145960091848696S600x600Q85.jpg
    ...
  31. Sticky: I would like to call upon anybody, particularly ...

    I would like to call upon anybody, particularly OMC employees who has pictures, super8, video's, race programs, and anybody who would feel they would like to add their 2 cents, PLEASE do so. I/We...
  32. Sticky: Lars, If you need extra support I am happy to...

    Lars,

    If you need extra support I am happy to help. I am still scanning all the photo's & other things that John Sheldon has sent me & I will email those pictures to you & support you however you...
  33. Sticky: Here is a Dyno sheet from John Sheldon aka...

    Here is a Dyno sheet from John Sheldon aka "ROTARYJOHN" here on BRF. He has provided almost all the info here so far.

    CLICK & go to "FULL SIZE" make it bigger.
    ...
  34. Sticky: DYNAMOMETER Testing ...

    DYNAMOMETER Testing

    http://inlinethumb43.webshots.com/45610/2386998660091848696S600x600Q85.jpg

    http://inlinethumb45.webshots.com/13804/2949644930091848696S600x600Q85.jpg
    ...
  35. Sticky: http://inlinethumb34.webshots.com/44193/2352986530...

    http://inlinethumb34.webshots.com/44193/2352986530091848696S600x600Q85.jpg
    1. Jimbo at Parker, first lap waving to the crowd. The wake behind him was Posey. 15:17 gearcase
    ...
  36. Sticky: Quote from above: Now I'm wondering. Were the OMC...

    Quote from above: Now I'm wondering. Were the OMC rotary's aluminum housing's sandwiched between cast iron as well? And were there any problems due to the temperature differential between the intake...
  37. Sticky: All kudo's to JOHN SHELDON (aka RotaryJohn her on...

    All kudo's to JOHN SHELDON (aka RotaryJohn her on BRF), he wrote the story above. Thankyou so much John.
    One name springs to mind Charlie Strang, there are many others but Charlie was the CEO....
  38. Sticky: There is much more to come. John Sheldon...

    There is much more to come.
    John Sheldon (Rotary John on BRP) is sending me his entire memrobilia collection which I will scan & post. Hopefully this thread will become the definitive epitaph to...
  39. Sticky: CLICK ON ANY PICTURE to take you to more...

    CLICK ON ANY PICTURE to take you to more pictures.
    http://inlinethumb15.webshots.com/37902/2415984520091848696S600x600Q85.jpg
    Mike Griffiths (Left) & John Sheldon (Right) Worked 12 hr shifts 7 days...
  40. Sticky: Epilog By 1975, EPA was making noises about...

    Epilog

    By 1975, EPA was making noises about regulating emissions on outboards. They were in fact doing lake testing in Michigan and Florida trying to prove outboard emissions harmed water quality...
  41. Sticky: St. Louis ‘75 This was Mercury’s premiere...

    St. Louis ‘75

    This was Mercury’s premiere race, as this was Billy Seebold country and was billed as the “World Championship”. The race consisted of four-20 minute heats with a LeMans type start...
  42. Sticky: Paris ‘74 The first race in ’74 for the...

    Paris ‘74

    The first race in ’74 for the rotaries was the 6 hrs of Paris. The Mercury ban was still in place for the rotaries, but on threat of pulling all OMC engines from the race, the race...
  43. Sticky: South Africa The Johnson distributor in South...

    South Africa

    The Johnson distributor in South Africa requested we bring the rotaries to his race. It meant leaving the week before Christmas and returning after the 1st of the year. This was the...
  44. Sticky: Windermere, England OMC brought 4 rotaries to...

    Windermere, England

    OMC brought 4 rotaries to this race and Mercury brought their V-6’s. This was the first head to head for these engines. Johnny Sanders engine broke during practice, broken...
  45. Sticky: Carol Springs Ill. We ran 4 engines in Carol...

    Carol Springs Ill.

    We ran 4 engines in Carol Springs, more or less as an exhibition, as it wasn’t a major race on the circuit and Mercury didn’t care if we ran or not. The engines finished...
  46. Sticky: PROVO UTAH RACE This was to be THE race. We...

    PROVO UTAH RACE

    This was to be THE race. We found out Mercury was bringing everything they had including dual engine rigs. They flew in their European drivers and the latest Mollinari boats. Our...
  47. Sticky: THE GALVESTON RACE Even though Parker didn’t...

    THE GALVESTON RACE

    Even though Parker didn’t result the way we wanted, it scared the hell out of Mercury. Word went out from the Mercury factory that any driver who ran the Galveston race with a...
  48. Sticky: THE PARKER RACE We had two boats at Parker....

    THE PARKER RACE

    We had two boats at Parker. The Evinrude was driven by Jimbo McConnell and the Johnson by Tommy Posey. They were the talk of the prerace scene. The gear case used for the initial...
  49. Sticky: INITIAL POWER DEVELOPMENT We knew from...

    INITIAL POWER DEVELOPMENT

    We knew from previous work that the exhaust restriction was hindering power and the engine was somewhat subjective to exhaust tuning. This is where I entered the program....
  50. Sticky: INITIAL DESIGN WORK Reluctantly George...

    INITIAL DESIGN WORK

    Reluctantly George assigned Mike Griffith to the program. The first issue addressed was the crankshaft. A stationary gear is required for each rotor and its pitch diameter is...
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