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Thread: On-Board

  1. #1
    apriliaforum expert Ricardo J's Avatar
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    On-Board

    Lots of great footage out there these days, but this one of Josh Brookes pinning the throttle of his WizNorton rotary at the Isle of Man's Classic TT ranks right up there.

    That fellow on the ZX-7R he's dicing with is no slouch either!

    https://www.youtube.com/watch?v=yiOpwFZTReI

  2. #2
    Honest always, feared often Micah / AF1 Racing's Avatar
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    That sound is one of the most beautiful in all of motorsports?
    Diminished expectations is the key to happiness in life.

    Micah Shoemaker
    AF1 Racing
    9900 IH35N
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    @AF1Racingaustin

  3. #3
    apriliaforum expert 02RSVVT's Avatar
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    The sound is mesmerizing for sure. Watching his finger just lightly touch the brake barely off throttle is cool to watch.
    02 RSV Red , Derestricted intake, EVO airbox kit, Evo alu trumpets, Carbon panels from 01 MilleR, Haga dash, Ohlins damper, Sato rearsets, Tigcraft 80mm full system, 04 mirrors
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  4. #4
    apriliaforum expert
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    The rotary sound is OK, I think it is more because it is different that it is notable. Honestly it sounds like a two-stroke running a bit rough. But any on-board at IoM at speed is enjoyable.

    My current favorite from sound alone is this KZ1300 being ridden at Spa. Almost makes me want one of those pigs and put a cheap open pipe on it.


  5. #5
    apriliaforum expert snowcone's Avatar
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    Watching the IOM excites and simultaneously the scares the crap out of me.
    How do those guys fit their bals into their leathers
    2002 RSV1000 Mille

  6. #6
    Honest always, feared often Micah / AF1 Racing's Avatar
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    OK, inline 6 high rpm motors do sound prety fucking awesome, this is a perfect example. Inline 6 turning 10k rpm or so...nice
    Diminished expectations is the key to happiness in life.

    Micah Shoemaker
    AF1 Racing
    9900 IH35N
    Austin, TX 78753
    micah@af1racing.com
    @ShoemakerMicah
    @AF1Racingaustin

  7. #7
    apriliaforum expert
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    Quote Originally Posted by Micah / AF1 Racing View Post
    OK, inline 6 high rpm motors do sound prety fucking awesome, this is a perfect example. Inline 6 turning 10k rpm or so...nice
    Last night I was reading an old Cycle magazine pdf from 1983 where they tested the Z1300 Voyager, Kawasaki's flagship touring rig (I think the only 1300 available in the US at the time, not sure the roadster was imported here).
    https://amervoyassoc.org/Documents/1...300_Review.pdf

    The Voyager seems to capture a moment in motorcycling where bigger bigger bigger was considered better. Almost unbelievable specs on this thing. 64.8 inch wheelbase. 29.5 degree headstock. 5.5 inches of trail. 120 hp. Only 35 mpg after adding fuel injection for better efficiency. An optional CB radio (which was $378 back then, or about $900 in today's money). Radio with cassette player, intercom.

    But the most incredible number? 915 pounds.

    Think about that for a minute. The engine alone weighs almost 300 pounds.

    You can buy these things today for a few hundred bucks. Before I started reading (after posting above video) I thought it would be interesting to find a Voyager and strip everything and rebuild using modern parts where you could. Would be a challenging and interesting custom build to go from this


    to this


    But holy cow, starting out at 900+ pounds with a 300# engine, even getting it down to 600 would be a major accomplishment.

    Pretty sure the "patented centerstand" weighs as much as the entire frame on my 999. And I am confident the switchgear could be simplified somewhat.
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

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    Last edited by sburns2421; 12-07-2017 at 11:40 AM.

  8. #8
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    I enjoy the sound of rotary engines, a twin rotor engine like that sounds like an inline 6 that revs to crazy rpms. A four rotor engine sounds like an F1 V12.

  9. #9
    Honest always, feared often Micah / AF1 Racing's Avatar
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    The Mazda 787B LeMans car will always be the standard by which all other engine sounds are judged for me.
    Diminished expectations is the key to happiness in life.

    Micah Shoemaker
    AF1 Racing
    9900 IH35N
    Austin, TX 78753
    micah@af1racing.com
    @ShoemakerMicah
    @AF1Racingaustin

  10. #10
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    Quote Originally Posted by Micah / AF1 Racing View Post
    The Mazda 787B LeMans car will always be the standard by which all other engine sounds are judged for me.
    I would have to agree with that.

  11. #11
    apriliaforum expert Powerful Pierre's Avatar
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    Honda 250 six - nothing else comes close for me!

  12. #12
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    Quote Originally Posted by Powerful Pierre View Post
    Honda 250 six - nothing else comes close for me!
    I remember the 250 six Team Obsolete had. It was seriously loud. I remember walking towards it as they were rev'ing it up in the pits, the closer I got the louder and more painful it got until I was standing a few feet away. That was really cool, but somewhat painful.
    It is great to hear a high rev'ing inline 6, but short of an older F1 engine the 4 rotor Mazda engine is slightly higher on my list. One sound I have not heard in person but from recordings it sounds like it would also be near the top of my list is the Guzzi V8.

  13. #13
    apriliaforum expert CRMNL's Avatar
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    Quote Originally Posted by Micah / AF1 Racing View Post
    The Mazda 787B LeMans car will always be the standard by which all other engine sounds are judged for me.
    yep. that car is absolutely sick.
    hubris-that's the game with the blocks, right?

    /ˌʌɪəˈtɒlə/

  14. #14
    Honest always, feared often Micah / AF1 Racing's Avatar
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    Another one of the most beautiful sounds in motorcycling, the 360 degree Honda V4 crankshaft spinning in anger
    Diminished expectations is the key to happiness in life.

    Micah Shoemaker
    AF1 Racing
    9900 IH35N
    Austin, TX 78753
    micah@af1racing.com
    @ShoemakerMicah
    @AF1Racingaustin

  15. #15
    apriliaforum expert millietant's Avatar
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    That that's an awesome look !!

    Just a pity the front end is so raked out - I'd guess geometry like that would make steering and "spirited" cornering a bitch.
    Cheers,

    "I am a selfish, self-righteous tosser", a "fucking loser" and now an "absolute fucking idiot"

    Me - '03 RSV Mille, '89 FJ 1200 x 2, & '75 TL 125 & Schweizer S300 CBi Helicopter
    Wife - '01 FZ1 (Fazer 1000), '86 VF 750 Interceptor and '07 CRF 230F
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