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Old 06-16-2014, 12:02 AM   #181
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I am fluctuating at 94 to 96 rollout and 30* timing. It felt good for a small track but seemed way slow for the larger track I ran on yesterday. Only ran a battery through it for fun, no racing w/17.5. Still figuring this one out.
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Old 06-16-2014, 01:23 AM   #182
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These in stock anywhere again yet?

Or have the been and gone and I missed them?
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Old 06-16-2014, 06:51 AM   #183
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Originally Posted by John birmele View Post
What were your lap times?
9.6 fast lap
1stm all 9s
Fade to 10.2 at 8m
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Have you tried lower roll outs? I have been running 13.5 blinky with good success on letting the motor rev. Typically I have been between 70 and 72 roll out with 25-30 degrees of timing.

On Thursday, I tried 72 with 25' and 30' and there was a little more fade at the end of the run, with 70 roll out and 30', I seemed to have the best fast lap and least amount of drop off. Only about .18 seconds over a run. Fast lap was 9.104 and second to last lap was a 9.289.

I had run the motor with a more conventional D3.5 roll out at around 80-84 and the hot laps were ok, but the motor felt low on punch and it would drop off 0.3-0.5 tenths over a run.

I am yet to try the 17.5 motor so far, but if it behaves anything like the 13.5, I would think that a roll out of around 92-94 would be good? Have you had a chance to try something like this? Any thoughts?
Started at 85 roll
Timing from 20 to 40
R1 17.5 feels best around 25-30'
Adjust roll to track size

I agree the 13.5 is a screamer though
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Old 06-16-2014, 08:03 AM   #184
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These in stock anywhere again yet?

Or have the been and gone and I missed them?
Ours are arriving today. Hopefully we will have some left.
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Old 06-16-2014, 06:10 PM   #185
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Ours are arriving today. Hopefully we will have some left.
I would like one to, post if you have any left.
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Old 06-16-2014, 06:17 PM   #186
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4.40 and 38 degrees. Watch temps.
Asphalt? Can I ask how big is medium?

I ran last week in our parking lot series. Track was 100 ft or so straight with lots of on-throttle. Mid 11 sec lap times. Running 17.5 @ 3.7 fdr with 20-23 timing on the can. Car felt good and motor ran cool (130F). Motor was good but it didn't feel I was getting the most out it. I was spending time on chassis set-up so I didn't really worry about the motor. Would like to make sure I'm getting the most out of it. Good product.
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Old 06-16-2014, 06:46 PM   #187
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Asphalt? Can I ask how big is medium?

I ran last week in our parking lot series. Track was 100 ft or so straight with lots of on-throttle. Mid 11 sec lap times. Running 17.5 @ 3.7 fdr with 20-23 timing on the can. Car felt good and motor ran cool (130F). Motor was good but it didn't feel I was getting the most out it. I was spending time on chassis set-up so I didn't really worry about the motor. Would like to make sure I'm getting the most out of it. Good product.
That seems a little over geared to me for a 100ft straight. If I recall correctly Hanulec ran a 4.1-4.2 at full throttle for the world's warmup with I think 30 degrees of timing. The straight there is 200ft long. Mark Burt was also running this motor and he smoked the field using Mike's spare R1, I believe he was geared similarly.

I say crank up the timing, gear down and let it rev
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Old 06-16-2014, 09:57 PM   #188
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I like the motor with big timing and small gear. Seems odd at first but lap times won't lie.

It will be good to have a supply of motors again. Running what people cannot buy isn't fun for anyone...

To straighten up the pre worlds... Mark and I swapped motors many times. He ran a d3.5 in the mains. Me with R1 finished 3rd behind two d3.5. I had the fastest event lap in 17.5 but could reproduce it after that one round. I must of driven thru those red/white corners with my red/white body perfect that run...
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Old 06-16-2014, 09:59 PM   #189
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I like the motor with big timing and small gear. Seems odd at first but lap times won't lie.

It will be good to have a supply of motors again. Running what people cannot buy isn't fun for anyone...
Agreed!
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Old 06-16-2014, 11:15 PM   #190
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OZ Racers can buy them from our website but they are nearly run out now...
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Old 06-17-2014, 08:59 PM   #191
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Looking to pick up a 17.5 if anyone can tell me where to find one. Thanks!
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Old 06-17-2014, 09:16 PM   #192
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/\/\/\Looks Like GridWorks might have some/\/\/\
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Old 06-19-2014, 02:21 AM   #193
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Originally Posted by CristianTabush View Post
That seems a little over geared to me for a 100ft straight. If I recall correctly Hanulec ran a 4.1-4.2 at full throttle for the world's warmup with I think 30 degrees of timing. The straight there is 200ft long. Mark Burt was also running this motor and he smoked the field using Mike's spare R1, I believe he was geared similarly.

I say crank up the timing, gear down and let it rev
Blinky sedan 17.5 runs 12.2 to 12.3 fast laps on the track I will be running on. Haven't been there in a long time, but the straight is about 80' if I remember correctly. 3.7ish fdr at about 30* sound good? Thanks!
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Old 06-19-2014, 10:22 AM   #194
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3.7 sounds to high me. I would start around 4.2 with 40 deg of timing and adjust from there. Temp after 3 minutes and gear down 3 teeth temp again and then gear up 3 teeth. Always keep an eye on temps, anything under 180 is fine, but on smaller tracks with a fan, you should not be getting much higher than 165 at optimal ratios.
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Old 06-19-2014, 12:21 PM   #195
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3.7 sounds to high me. I would start around 4.2 with 40 deg of timing and adjust from there. Temp after 3 minutes and gear down 3 teeth temp again and then gear up 3 teeth. Always keep an eye on temps, anything under 180 is fine, but on smaller tracks with a fan, you should not be getting much higher than 165 at optimal ratios.
40 deg mark on the side or 10 deg on the side (using the 30 deg that is said to be built in) ?
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