Landracing Forum
Bonneville Motorcycle Speed Trials => Bville Motorcycle Speed Trials Rules Questions => Topic started by: 1194 on April 28, 2009, 11:48:31 AM
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IF you plan on racing a flat-bottomed M/C liner
for a FIM World Record at this year BUB.........take time to carefully read the FIM rules for 2009.......
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Bob,
Can you post them here?
JNWOASR
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The FIM rules are here:
http://www.fim-live.com/fileadmin/alfresco/Codes_et_reglements/FIM_WORLD_RECORDS_Eng.pdf
The rules are packed in a (very large) Pdf-file so I can't copy/paste,
but I guess this is what one should look at if running a flat-bottom:
RULE 81.19 'Streamliners' (on page 125)
"....the vehicle, unloaded,must be capable of being
leaned at an angle of 20 degrees (minimum) from the
vertical position witout touching the ground,
other than the tyres....
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Many thanks, Octane
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Thanks guys!
J
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Any knowledge, ideas, guesses why this rule was made?
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Input from a few based on an accident...possible prevention of others..
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At this point in time (2009) the AMA have not
adapted the FIM rule............................................
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How many flat bottom Motorcycle streamliners are out there? And this rule was created why?
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At last year BUB we had a accident with fatal results with a flat-bottomed M/C liner..............
I know very little regarding solo M/C liners
(sidecar liners ,Yes......solo No)...............................
BUT ...I do know this.... that one of greats in LSR
Don Vesco told me..... he would not drive a M/C liner with a flat-bottem............................................
If last years accident was due to the flat-bottem
of the involved liner.........I will leave that to others experts to decide.............................................
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its a good rule.... i support it!.... i also respect anything Jack builds.....
kent
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Do any of the newly banned flat bottom liners hold FIM records?
If they do hold records will the records be retired or taken out of the record books?
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see ya........
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My first post regarding the new FIM rule was to inform......not to start an analysis of any past or posibly future LSR accidents.....................
75% of smart is knowing what you are dumb at....and as I noted before I know very little about
solo LSR M/C liners. With this in mind I think we should leave any and all "analysis" regarding
flat-bottomed M/C liners up to the people that have either raced or built M/C liners.
Mr. Pork Pie has done none of the above, in fact I believe the closed Mr. Pie has been to LSR has been as a spectator in my way of thinking this
certainly does not make him a "expert" in accident investigation. If Mr. Pie has any "expertise" at all it would be in the area of 4
wheel streamliners as I have up to this time not seen him in person at the BUB M/C Trials.
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does the rule include sidecar streamliners or not thanks willie buchta
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My first post regarding the new FIM rule was to inform......not to start an analysis of any past or posibly future LSR accidents.....................
75% of smart is knowing what you are dumb at....and as I noted before I know very little about
solo LSR M/C liners. With this in mind I think we should leave any and all "analysis" regarding
flat-bottomed M/C liners up to the people that have either raced or built M/C liners.
Mr. Pork Pie has done none of the above, in fact I believe the closed Mr. Pie has been to LSR has been as a spectator in my way of thinking this
certainly does not make him a "expert" in accident investigation. If Mr. Pie has any "expertise" at all it would be in the area of 4
wheel streamliners as I have up to this time not seen him in person at the BUB M/C Trials.
in fact I believe the closed Mr. Pie has been to LSR has been as a spectator in my way of thinking this
in fact of this......I think Dan Warner was right.......see ya..........
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There are a lot of rumors concerning Cliff’s accident I don’t know how Pork Pie came to his conclusion but I don’t believe he was privy to the investigation. There were a lot of factors involved in the accident and I am sure they were all considered in making adjustments to the rules in the interest of safety. A lot of good and knowledgeable people worked on the investigation.
The other issue of which there has been much discussion between interested parties over the last few years has been whether a streamlined vehicle that can not tip side to side really meets the definition of a motorcycle. A motorcycle in the historic sense has always used leaning and counter steering as a means of control. The rules say that streamliner skids must be retracted as soon as the vehicle is stable. A vehicle which in effect drags its skids which are the outer underside of the body really doesn’t meet this definition. Everyone involved did not want to stifle innovation as this is what the ultimate speed records are about but as motorsport history has shown all innovation is not good innovation and sometimes it takes some empirical data to determine what should be allowed. You can still have a flat bottomed vehicle as long as it can tip 20 degrees from side to side.
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for FIM skids are not required on a sidecar----neither mine or my wifes bike will not lean 20 degrees left or right maybe 8 degrees to the right 0 to the left willie buchta
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Thank you, Ack.................as noted before....... all I was doing
was informing regarding a change and/or addition to the FIM rules.
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Earth to Willlie---Over
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yes larrry willie buchta
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Other than safety there are two totaly different rule structures for solo and sidecar streamliners. This thread is pertaining to solo liners. Obviously a sidecar anything can't lean. Most racing sidecars are flat on the bottom, usually have a covering of sheetmetal, composite or whatever to streamline the bottom. Skids, do we really need to go there?
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you are right larry---i was having a senior moment ---beam me up larry willie buchta