He's not adjusting the backpressure. He's adjusting the pipe itself. Slippy pipes have an inner adjustable convergent cone. By pulling that handle behind the wheel he is pulling the convergent cone towards the header end of the pipe, effectively shortening the pipe length. For 2 stroke engines, a shorter pipe (from convergent to divergent cone) "moves" the power band to the top of the RPM range (to put it in simple terms). It's essentially a gearbox-like solution to karts with no gearbox. When he's almost done accelerating, he releases the handle. Then backpressure plays a role, allowing the convergent cone to slide back to the exhaust end of the slippy pipe. A longer pipe = power band shifted to the bottom RPMs = more torque when you need it most, which is out of corners.
It also seems likes it is attached to the throttle side,As can be seen when he increases in speed it moves to full throttle?Would like to know more about this setup,where can i find detailed info please,Thanks🙏🙏
I ran WKA with a B-Bomb 135cc open engine back in the 80's. They put out a lot of hp and were dependable. Lots of fun and definitely less expensive that my sprint car was...LOL
My best time at Daytona ever was a 2:08 running 750cc Superbike (GTO) class. Top speed was 191.4 mph. That was a while back. I'm 54 years old now and not racing anymore. Wise decision on my part lol.
I like your slippy pipe cable set up, boy have things changed from my day. I raced against the Fulks boys and Todd Spaude who were very hard to beat back then.
That's impressive. A 2 minute and 19 second lap (he did two in a row) is quicker than what you'd get out of a 2018 spec Mazda MX5 Cup car around Daytona with no draft.
At Willow Springs, Karts rule. Only a Porsche Turbo and an Indy car testing turned faster laps. And the Kart could hold onto the Porsche when drafting for several laps, only losing it in the climb after turn 2.
The engine looks like a komet k11. I ran one back in the 80's along with a slippy pipe. I was never lucky enough to race a Dayton. Looking at the speed advantage you have, it must be a 135cc engine. Great video, Thanks!
Agree. It's got to be a 135. And it looks like a Komet. The other 135 that was popular was the BM 130. I ran a K78, which was a 100cc.I ran Roebling Road and Rockingham. What a ride. Very exciting, wonderful memories. Also ran Charlotte, which was a ride also.
This was the least expensive road racing one could do. You could run Daytona, Charlotte, Rockingham, Roebling Road, VIR, Carolina Motorsports Park, Barber-Saab. These are not your typical go karts. Jeremy McCart from Morrow, Ga. had the Guiness Book of Records in a go-kart at Daytona with the WKA sanctioning body. Even though it was a 450-cc Rotax Shifter kart, he recorded a back straight speed just over 210mph and a 1 lap average of 151+mph. A record that still stands for a go kart under 500cc. He was a hellava driver
He is adjusting the pipe. He pulls it in on the top end and lengthens it on the low end. Just because were Road Racers don't mean We don't make adjustments. Some of us lean and richen the carb as needed on different parts of the track. And it takes balls to drive one like on this video.
first off he most likely isn't even adjusting anything as even on a laydown there isn't anything to adjust there well except maybe the throttle cable. The pipe being behind the drivers head. Second these are enduro karts that race tracks built for full sized cars so they need to have maximum top end, lying down provides less air resistance and thus a higher top end.
I did a tour of Daytona speedway and the guy said some of the guys there reach 170mph. I don’t know if this was one of those guys but he was definitely 100+
I don't know anything about Enduro carts. Why is this guy passing everyone like they're not even moving? I mean, if they're racing, it's over before it starts. What's the point?
Sorry to be negative, but Daytona seems like a terrible track for karts. Just WFO most of the time. Hope you guys get to do Road Atlanta, Barbers, AMP....so many good road courses around.
I WONDER HOW MY EMMICK ENDURO 250 YAMAHA BLUEPRINTED AND BUILT BY SNAKE PIT RACING WOULD FESS UP AT DAYTONA WITH IMPACT. ALTHOUGH HE'S NOT MY CLASS.THIS GUY LAPS EVERYONE MANY TIMES.
He's not adjusting the backpressure. He's adjusting the pipe itself.
Slippy pipes have an inner adjustable convergent cone. By pulling that handle behind the wheel he is pulling the convergent cone towards the header end of the pipe, effectively shortening the pipe length.
For 2 stroke engines, a shorter pipe (from convergent to divergent cone) "moves" the power band to the top of the RPM range (to put it in simple terms). It's essentially a gearbox-like solution to karts with no gearbox.
When he's almost done accelerating, he releases the handle. Then backpressure plays a role, allowing the convergent cone to slide back to the exhaust end of the slippy pipe. A longer pipe = power band shifted to the bottom RPMs = more torque when you need it most, which is out of corners.
It also seems likes it is attached to the throttle side,As can be seen when he increases in speed it moves to full throttle?Would like to know more about this setup,where can i find detailed info please,Thanks🙏🙏
didn't anyone see the rench fell off the side haha
Lol
I ran WKA with a B-Bomb 135cc open engine back in the 80's. They put out a lot of hp and were dependable. Lots of fun and definitely less expensive that my sprint car was...LOL
My best time at Daytona ever was a 2:08 running 750cc Superbike (GTO) class. Top speed was 191.4 mph. That was a while back. I'm 54 years old now and not racing anymore. Wise decision on my part lol.
I like your slippy pipe cable set up, boy have things changed from my day. I raced against the Fulks boys and Todd Spaude who were very hard to beat back then.
That's impressive. A 2 minute and 19 second lap (he did two in a row) is quicker than what you'd get out of a 2018 spec Mazda MX5 Cup car around Daytona with no draft.
At Willow Springs, Karts rule. Only a Porsche Turbo and an Indy car testing turned faster laps. And the Kart could hold onto the Porsche when drafting for several laps, only losing it in the climb after turn 2.
@@johnmarble8022wow, that’s impressive
The engine looks like a komet k11. I ran one back in the 80's along with a slippy pipe. I was never lucky enough to race a Dayton. Looking at the speed advantage you have, it must be a 135cc engine. Great video, Thanks!
Agree. It's got to be a 135. And it looks like a Komet. The other 135 that was popular was the BM 130. I ran a K78, which was a 100cc.I ran Roebling Road and Rockingham. What a ride. Very exciting, wonderful memories. Also ran Charlotte, which was a ride also.
This was the least expensive road racing one could do. You could run Daytona, Charlotte, Rockingham, Roebling Road, VIR, Carolina Motorsports Park, Barber-Saab. These are not your typical go karts. Jeremy McCart from Morrow, Ga. had the Guiness Book of Records in a go-kart at Daytona with the WKA sanctioning body. Even though it was a 450-cc Rotax Shifter kart, he recorded a back straight speed just over 210mph and a 1 lap average of 151+mph. A record that still stands for a go kart under 500cc. He was a hellava driver
What is the lever you push with your left thumb for? I race "normal" karts, and I'm interested on how these Laydown and SuperKarts work :)
Looks, spins and sounds just like the reed valve komet motor.i had on my clutch kart
insane ! would be be great to try this :-)
Way cool, engine sounds interesting, is it an older Rotax? thanks for sharing.
Kart Racer TV
whats that adjustment? you adjusting the pipe?
How come the bus stop is not used?
He is adjusting the pipe. He pulls it in on the top end and lengthens it on the low end. Just because were Road Racers don't mean We don't make adjustments. Some of us lean and richen the carb as needed on different parts of the track. And it takes balls to drive one like on this video.
Where can i get detailed information on this setup?Thank you.
It doesn't take balls. It's how smooth you are.
Love it !!!
speed?
What engine?
When he went down the strate away and waved at the camera got me LMAO at 2:26
hes adjusting the backpressure on the exhaust
first off he most likely isn't even adjusting anything as even on a laydown there isn't anything to adjust there well except maybe the throttle cable. The pipe being behind the drivers head. Second these are enduro karts that race tracks built for full sized cars so they need to have maximum top end, lying down provides less air resistance and thus a higher top end.
He’s adjusting the slippy pipe
holy cow that thing is geared low!
why do they lay down like that
Ya lost a wrench at the beginning of the video...a few years too late.
WOW!
what kind of speeds do you get up to?
+William Gunn 170
lol no 110 or so
110mph = 177kph
I did a tour of Daytona speedway and the guy said some of the guys there reach 170mph. I don’t know if this was one of those guys but he was definitely 100+
150+mph is common in enduro kart.
Why are they laying down
Definately a 135 runnin heavy class...
way to many ads on here now
Have too say you put a spanking on that crew
lost a wrench! o0ps
Hot Shit!
I don't know anything about Enduro carts. Why is this guy passing everyone like they're not even moving? I mean, if they're racing, it's over before it starts. What's the point?
Sorry to be negative, but Daytona seems like a terrible track for karts. Just WFO most of the time. Hope you guys get to do Road Atlanta, Barbers, AMP....so many good road courses around.
I WONDER HOW MY EMMICK ENDURO 250 YAMAHA BLUEPRINTED AND BUILT BY SNAKE PIT RACING WOULD FESS UP AT DAYTONA WITH IMPACT. ALTHOUGH HE'S NOT MY CLASS.THIS GUY LAPS EVERYONE MANY TIMES.