liveforphysics wrote:13.2sec is fast Doc! Congratulations!
Luke what do you think about 12.2s at 85% controller limit ?
... and 1.6s on the 0-60ft!
Look like my 1/8 mile is VERY VERY close to your Death bike. but the actual gearing make my 1/4 mile to suffer on teh second half.. i'll make the neccesary change! and test again!
That is a fantastic time Doc! I think I had the previous Zero record riding my fathers 3 brick DSR with a 12.70. Now I've got to make my 2016 DSR beat a 12.20 in daily-driver trim with 12.5kWh and a supercharger.
You may get a little something from the gearing change, but unlikely to be more than a few 10th's. This is because the first 60ft of the track is what determines just about everything for getting a low ET, and from there you just need to not blow up and you get a low time.
The reason is because traveling the back half of the track you're already up to speed, so the total time you're on it is very short. Even if you magically accelerated to infinite mph after the 1/8th mile it only saves you a possible few seconds. If you accelerate faster right from the point of 0mph, that portion of thrust impulse delivered stays to your advantage through the whole duration of the quarter mile rather than just a second or two of traveling at a higher speed down the back-half of the track.
Essentially, if you want to have stupid low ET's, focus on the first 1/8th mile, and the same amount of improvement in impulse delivered will continue to benefit your time through the whole duration of the race where your vehicle spends most of its time. The crude drag racing guestimater that is generally pretty darn accurate is to assume it's worth 0.3sec off the total 1/4 mile ET for every 0.1sec shaved off the 0-60ft time. This ratio amazingly tends to hold true for vehicles over a really wide range of times, like 6-7sec dragsters to 20sec vehicles.
Do anything you can to get phase current up and decrease air pressure or change to drag specific tires to get traction.
I will try to inch the record back with my daily commuter bike when I get some free-time to hack on my own stuff again. lol
Great work my friend!
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