Author Topic: Just how fast  (Read 2129 times)

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Offline Sam Green Racing

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Just how fast
« on: April 21, 2012, 04:34:06 PM »
will an Automatic go?

Just for something to talk about. ::) ;D

Geared way down for acceleration, my auto crosses the line at 115mph with 10,000rpm on the tach.
Last weekend, it suck wide open when I rolled it off and reached around 13,500rpm before it shut down. (yes I did poo myself) ;D
Geared back up and given the distance (the 115mph was at 440 yards) just how fast might it go ?
Your suggestions please ;D ;D ;D

Sam ;)
C95 sprint bike.
CB95 hybrid race bike
CB95 race bike
CB92
RS 175. sprint/land speed bike
JMR Racing CB750A street ET drag bike

Offline Jerry Rxman Griffin aka MuthaF'er

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Re: Just how fast
« Reply #1 on: April 21, 2012, 10:35:02 PM »
When you ride through on your way to Bonneville please stop in and get me. We can try both of them. I figure 117 or 118 at the least  ;)
As of today 3/13/2012 my original owner 75 CB750F has made it through 3 wives, er EX-wives. Free at last.  ;-)

Offline jweeks

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Re: Just how fast
« Reply #2 on: April 22, 2012, 08:38:23 AM »
Horsepower drops off rapidly above 10k. It's a naked bike. My educated guess would be around 15 mph increase maximum. I've gone 124 and change in the quarter. With the right air, 125 is possible. I've got a quarter fairing and at least 15 more horses to the rear wheel. Bonneville gearing, I'd guess around 140 for my Hondamatic. Sam probably got in to the high 120's. We have a mile and a half runway (Loring) that bikes and cars use to test top speeds on. Plenty of shutdown after it. I believe that we had a 311 bike pass there. Sam, are you considering changing sports? ;) ;) ;)

                                                                                    Hondamatic

Offline MRieck

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Re: Just how fast
« Reply #3 on: April 22, 2012, 08:56:18 AM »
will an Automatic go?

Just for something to talk about. ::) ;D

Geared way down for acceleration, my auto crosses the line at 115mph with 10,000rpm on the tach.
Last weekend, it suck wide open when I rolled it off and reached around 13,500rpm before it shut down. (yes I did poo myself) ;D
Geared back up and given the distance (the 115mph was at 440 yards) just how fast might it go ?
Your suggestions please ;D ;D ;D

Sam ;)
That is why God made return throttle cables brother. ;)
Owner of the "Million Dollar CB"

Offline Sam Green Racing

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Re: Just how fast
« Reply #4 on: April 22, 2012, 10:06:58 AM »
Guess I'll have to order one then, do you have his contact details? ::)

Sam. ;D
C95 sprint bike.
CB95 hybrid race bike
CB95 race bike
CB92
RS 175. sprint/land speed bike
JMR Racing CB750A street ET drag bike

Offline Leino

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Re: Just how fast
« Reply #5 on: April 22, 2012, 10:12:12 AM »
That is why God made return throttle cables brother. ;)
Is he/she called Motion Pro?  ::)
That's what I think I have  ;D

Offline Bill/BentON Racing

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Re: Just how fast
« Reply #6 on: April 22, 2012, 11:23:54 AM »
I sure had one on my supercharged 750!...OK,past time to put one on Sam's! ;) ::) Bill...other than that,it's ready for Commerce! ;D

New decals,lettering,throttle fixed,controls moved,ready to go! ;)

Commerce Soon,2-3 weeks. ???

Look Sam,Jim,all fixed up,bicycle took its toll on stickers,new MRieck,etc. ;D

Let's go racing,11's coming!!!! 8)
BentON Racing Website
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Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
______________________________________
1993 HRC RS125 | 1984 NS400R | 1974 Honda CB750/836cc (Calendar Girl) | 1972 CB 500/550 Yoshi Kitted 590cc | 1965 Honda CB450 Black Bomber | 1972 Suzuki T350 | 1973 88cc | Z50/Falcons Pit Bike | 1967 CA100| 1974 CB350 (400F motor)...and more.
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See our latest build 'Captain Marvel' CLICK HERE

Offline turboguzzi

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Re: Just how fast
« Reply #7 on: April 23, 2012, 03:31:57 AM »
CV's stuck wide open? well, that's news....

none of my CV equipped bikes, Gpz's, Gsxr's, VFR  had a return cable.

how much RWHP does the samauto have at the end of the day? got a pretty clear speed vs. hp graph hidding somewhere.

Offline Bill/BentON Racing

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Re: Just how fast
« Reply #8 on: April 23, 2012, 04:35:41 AM »
TG,....87.07....coming thru a T/Q,loses 10-12 hp,would be @ 97-99 clutch bike.Will post charts later today.Bill
BentON Racing Website
OEM Parts | Service | Custom Builds
BentON Racing Facebook
Over 35 years of experience working on vintage motorcycles, with a speciality in Honda SOHC/4 with a focus on the CB750 and other models as well from 1966 - 1985.
______________________________________
1993 HRC RS125 | 1984 NS400R | 1974 Honda CB750/836cc (Calendar Girl) | 1972 CB 500/550 Yoshi Kitted 590cc | 1965 Honda CB450 Black Bomber | 1972 Suzuki T350 | 1973 88cc | Z50/Falcons Pit Bike | 1967 CA100| 1974 CB350 (400F motor)...and more.
______________________________________
See our latest build 'Captain Marvel' CLICK HERE