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What is going on at the drags? No one posting. Did everyone blow their stuff up and don't want to come clean, or r u just having 2 much fun 2 post?
I have not drove the drag bike at all this year. Still sorting out problems with the new setup. Ready to throw in the towel, be a cow and follow the herd.
Have been going to the track, pitting for a friend of mine. It's alright, but not as much fun as driving. Last weekend was a disaster. I was watching the little 2-stroke that has the lockup that I work on from time to time. This thing just can't get into the 10's still. Anyway, was watching the kid and noticed that the tire does not get hot during the burnout and that he was in way to deep. So I asked him about it and he was telling me how the clutch could not hold the power in the box. So I took a few measurements and came to the conclusion that the gap was too much and there was not yet enough static pressure. So, up one size in springs and added 0.020 to the gap. Not a big change I was thinking. So I had him fall back in the pack so I could go up with him when we tried it. I set him in the box and noticed this time we had lots of heat in second gear. A great sign. And this time when he gave it the final fling, the bike stuck. I had already told him he was going to go red because the bike would react much faster. Sure enough, the bike launches hard. On the bars right from the get go. He cuts a 470 and the bike gets out about 4 feet or so and then runs out of power. So now I am getting plates cut from 0.060 to 0.080 in 0.005 increments to better tune the gap. The bike did run a higher MPH.
Damm, I hate tuning these clutches.
Well, hope everyone is having better luck than me. I hope to get the old drag bike out next Friday for some testing.
I have not drove the drag bike at all this year. Still sorting out problems with the new setup. Ready to throw in the towel, be a cow and follow the herd.
Have been going to the track, pitting for a friend of mine. It's alright, but not as much fun as driving. Last weekend was a disaster. I was watching the little 2-stroke that has the lockup that I work on from time to time. This thing just can't get into the 10's still. Anyway, was watching the kid and noticed that the tire does not get hot during the burnout and that he was in way to deep. So I asked him about it and he was telling me how the clutch could not hold the power in the box. So I took a few measurements and came to the conclusion that the gap was too much and there was not yet enough static pressure. So, up one size in springs and added 0.020 to the gap. Not a big change I was thinking. So I had him fall back in the pack so I could go up with him when we tried it. I set him in the box and noticed this time we had lots of heat in second gear. A great sign. And this time when he gave it the final fling, the bike stuck. I had already told him he was going to go red because the bike would react much faster. Sure enough, the bike launches hard. On the bars right from the get go. He cuts a 470 and the bike gets out about 4 feet or so and then runs out of power. So now I am getting plates cut from 0.060 to 0.080 in 0.005 increments to better tune the gap. The bike did run a higher MPH.
Damm, I hate tuning these clutches.
Well, hope everyone is having better luck than me. I hope to get the old drag bike out next Friday for some testing.
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