Post by Mayhem Miller on Mar 10, 2009 20:52:53 GMT -7
Ok- So yesterday one of my little boys and I just got done with his scout car, listed below is the way it was built:
1)Squared block- drilled FDW at 1/16" from bottom and backs 5/32"
2)drilled axle holes with "the block", rears canted, FDW straight, 3 wheeler
3)drilled holes using microlux press, perfectly squared, and pro #44 bit - finished holes with pin vice
4)basic wedge design, tungsten weights
5)COG 3/4 inch in front of rear wheels
6)Jewkes edge pure stockers
7)BSA (required) multi-groove speed axles from derby doc
8)wheel bores polished with micro-gloss, hubs polished with hob-e-lube
9)axles polished using ___ speedkit, 50,000 grit finish
10)DFW axle bent 2.5 degrees positive camber
11)pulled 8inches in 8feet on tuning board
12)lubed with good ol hob e lube
I then ran the car on my 32 foot bestrack with microwizard timer. Its set to 27.1 degrees and leveled perfect with digital level.
I was hoping the car would run around 2.490 or so, as I think 2.5 is about equal to 3.000 on a 42 ft track. Well the piece of sh#! started around 2.550, and I tuned it down to run a fasted run of 2.503 and averaged 2.508. The car is consistant, and seems to run well. I started with pretty good pull into rail and backed it out till I got wobble, then pushed it back in slightly. The alignment is, from what i can tell, how it should be.
I tried runnin a spare pure stocker with 1 gram wheels and UNGROOVED axles, and it ran a fastest time of 2.468, so quite faster than my little guys scout car. I did pretty much every mod I could think of, and cant think of why it running .035 slower than a car with 1 gram wheels. I then ran an open class car we built that has some jewkes holeshots and ___ legend grooved axles and it ran 2.440.
Is there something i'm missing here? I realize that all tracks will turn in different times, but my track is set up similar to PDDR and in another post Glenn had a pure stocker runnin around 2.483 !
Any ideas would be appreciated as his derby is on friday!
Thanks again !
1)Squared block- drilled FDW at 1/16" from bottom and backs 5/32"
2)drilled axle holes with "the block", rears canted, FDW straight, 3 wheeler
3)drilled holes using microlux press, perfectly squared, and pro #44 bit - finished holes with pin vice
4)basic wedge design, tungsten weights
5)COG 3/4 inch in front of rear wheels
6)Jewkes edge pure stockers
7)BSA (required) multi-groove speed axles from derby doc
8)wheel bores polished with micro-gloss, hubs polished with hob-e-lube
9)axles polished using ___ speedkit, 50,000 grit finish
10)DFW axle bent 2.5 degrees positive camber
11)pulled 8inches in 8feet on tuning board
12)lubed with good ol hob e lube
I then ran the car on my 32 foot bestrack with microwizard timer. Its set to 27.1 degrees and leveled perfect with digital level.
I was hoping the car would run around 2.490 or so, as I think 2.5 is about equal to 3.000 on a 42 ft track. Well the piece of sh#! started around 2.550, and I tuned it down to run a fasted run of 2.503 and averaged 2.508. The car is consistant, and seems to run well. I started with pretty good pull into rail and backed it out till I got wobble, then pushed it back in slightly. The alignment is, from what i can tell, how it should be.
I tried runnin a spare pure stocker with 1 gram wheels and UNGROOVED axles, and it ran a fastest time of 2.468, so quite faster than my little guys scout car. I did pretty much every mod I could think of, and cant think of why it running .035 slower than a car with 1 gram wheels. I then ran an open class car we built that has some jewkes holeshots and ___ legend grooved axles and it ran 2.440.
Is there something i'm missing here? I realize that all tracks will turn in different times, but my track is set up similar to PDDR and in another post Glenn had a pure stocker runnin around 2.483 !
Any ideas would be appreciated as his derby is on friday!
Thanks again !