What are the gear ratios in the 5-speed? Personally I'd stay away from
an
OD if I could. You can get close ratio grears for your 4-speed, 2.23 1st I
believe. Or just trade it in on another. Hey if your allowed a push why not
use it.
John Beckett
At 09:08 AM 4/20/99 -0500, Keith Turk wrote:
>you folks realize your destroying my Transmission plans.... shot a hole in
>my Grand Scheme you did... it was my thought that I could accelerate from
>Zero faster if I had a wide ratio.... trans....
>
>At Maxton on the mile this may even be true... But I understand the logic
>of staying in a proper torque band and the decrease in RPM drop between the
>gears.... AHHH now to look at transmissions again... and this was a Doug
>Nash / now Richmond Gears T-10 that I bought special for the wide ratio...
>and it worked like stink in a Autobahn cruiser.... and didn't even need a
>push truck at every stop light
>
>I know of a 5 speed Doug Nash with extra gear sets here in town... I may
>look into that.... it has a 1:1 output... I don't know if it has straight
>cut gears or not.... is that an issue?
>
>Keith...
>
>----------
>> From: John Beckett <johnbeck@blueridge.cc.nc.us>
>> To: land-speed@autox.team.net
>> Subject: Re: Transmissions
>> Date: Tuesday, April 20, 1999 8:30 AM
>>
>> Dave makes a very interesting point about transmissions. A very
>important
>> and often over looked part of the total combination. My current car has a
>> close ratio, 2.32 first gear, even that is to much. May next car will
>have
>> a very close ratio 4-speed, in the 2.0 to 1.9 range.
>> Discovered last year that exceleration through the first two miles could
>> have as much as a 5 MPH difference in the five mile speed.
>>
>> John Beckett
>>
>>
>> At 10:26 AM 4/17/99 -0400, Dave Dahlgren wrote:
>> >I am a newcomer to land speed racing,since '93 but have raced cars
>> >professionally since I was 22, am 47 now.. So when I am out there I am
>> >at work. Land speed racing is no different than any other that I have
>> >been to. There are a ton of tough decisions to make and I am not afraid
>> >to make them. The most important ones revolve around will I make it to
>> >the other end ? My philosophy may not work for most as I plan on setting
>> >a record when we go and at the end of the meet there does not have to be
>> >much left. This does not work for most people as the cost is $$$$$ . But
>> >every pass other than license passes on the car has been a record pass
>> >or the qualifying one before it. have probably jinxed this year by
>> >saying that but do not believe that much in luck, just hard work and
>> >good engineering. If I were in your shoes I would make all the trades
>> >necessary in order to get down the track and pump up the power as money
>> >allows. The only exception to this would be a transmission that allows
>> >you to change gear ratios at will.
>>
>> "Everyone that I have ever helped out there almost always had an
>> impossible combination of gear ratios. either overpower the track early
>on
>> or gear splits that can not be done and stay in the power band on the big
>> end.. There is as much thought required in the transmission than almost
>any
>> other part of the combination. read you NEED a CLOSE RATIO TRANSMISSION
>!!"
>>
>> >
>> >So buy the dry sump,best fire suit and system,best
>> >suspension,transmission. Blow off the 10,000 dollar cylinder heads for
>> >now and the paint well why bother if you do not have the other stuff. It
>> >is not much fun changing bearings in a pretty car, or worse yet dragging
>> >the remains on the trailer after you roll it up in a ball because you
>> >bought the paint instead of the Koni shocks..!
>> >
>> >Regards,
>> >Dave Dahlgren
>> >
>> >Keith Turk wrote:
>> >>
>> >> and your opinion is worth more then the cup of coffee... thanks.....K
>> >>
>> >> now how to do all that on a budget.... Guess I have to settle for the
>fun
>> >> eh...
>> >>
>> >> Bud I am dead serious about this one thing in my life... someday I am
>going
>> >> to be in the two club... if it takes multiple valves and 10 speeds
>then
>> >> that is what I will acquire... Been down a ton of roads over the
>years...
>> >> and I have always accomplished the goals I set for myself... this is
>one
>> >> that has been lurking in the back of my mind since I was twenty years
>> >> old... (41 now)
>> >>
>> >> My Partner has to bring Reality with him and keep me grounded... we
>are
>> >> here to have fun.... and the record someday will happen... I seriously
>> >> don't expect it this year.... I expect to drive the long course and
>have a
>> >> ball... hey and meet my newly made friends from here... But most of
>all I
>> >> expect to take home a ton of lessons on what to and what not to do at
>> >> Bonneville....
>> >>
>> >> Learning Curve here is pretty steep... It was kinda like that with the
>> >> AH-64 Apache when we first started flying it... none of us had a clue
>and
>> >> the engineers weren't much help in communicating on the
>Pilot/instructor
>> >> pilot level... we had to assimilate a ton of new information and then
>> >> decide what was important and what wasn't... Based on all the kids we
>> >> trained and the outcome of their work... I would say we did a pretty
>fair
>> >> job....
>> >>
>> >> This is a ton like that.. for me at least...
>> >>
>> >> I honestly appreciate your being here and lending your knowledge to
>those
>> >> of us that aren't as well versed..
>> >>
>> >> Keith
>> >>
>> >> ----------
>> >> > From: Dave Dahlgren <dahlgren@uconect.net>
>> >> > To: Chris R Harris <yesford@clear.net.nz>
>> >> > Cc: Land-speed@autox.team.net
>> >> > Subject: Re: Belt camshaft drives
>> >> > Date: Saturday, April 17, 1999 5:05 AM
>> >> >
>> >> > Best pushrod engines belong to NHRA Pro Stock 1250 hp 500
>inches..2.5 HP
>> >> > per Cu In that would be 887 hp 355. Winston Cup is around 720
>HP.2.03
>> >> > HP per Cu In.. The prostock guys run them... Belt drive is like a
>dry
>> >> > sump, big money up front hardly any later.. There are many parts
>like
>> >> > that .. The best is usually cheaper in the long run.. Let's face it
>we
>> >> > are out there to do 2 things, Have FUN and Break records!!! It is
>pretty
>> >> > hard to break records if you are not running the best money can buy,
>and
>> >> > I have the most fun breaking records.. Nothing like coffee in the
>> >> > morning at impound :>) Parts i will not race without, dry sump,
>EFI, 4
>> >> > valves per cylinder ( or more), slide throttles, and a trans that
>has
>> >> > many gears.. the rest is usually not a record breaking combination..
>> >> >
>> >> > Just my opinion at least.
>> >> >
>> >> > Regards,
>> >> >
>> >> > Dave Dahlgren
>> >> > Engine Management Systems
>> >> >
>> >> > < Commercial >
>> >> > For those of you that want slide throttles contact me off list we
>make
>> >> > them here. Do EFI also Won 24 hr Daytona twice set pole etc. and a
>> >> > zillion races in Pro Sports Car. Also G\GL and G\FL at Bonneville
>went
>> >> > (215 in Australia) for many years.. Have setups for Ford yates
>> >> > head,Chevy 18 deg,Cosworth BD and YB, Porsche 911, ferrari 348,
>mazda
>> >> > 13b, and any custom thing you can think of.. but it is expensive...
>> >> > <End Commercial >
>> >
>>
>>
>
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