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Old 12-16-2009, 01:08 PM   #1156
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If you are battling somebody to the line, you want it in the front.
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Old 12-16-2009, 01:24 PM   #1157
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is that really makes difference ?on the bumper vs next to servo
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Old 12-16-2009, 01:29 PM   #1158
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is that really makes difference ?on the bumper vs next to servo
no, I've never seen a race finish that close that it would make a difference
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Old 12-16-2009, 01:36 PM   #1159
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On the ECS/Heatshrink issue, I've been using heat shrink as a safety net since the Paved Nats in October with great success. Ralph suggests taking the ECS apart every weekend to clean and re-grease them. This obviously is the best way to maintain them. The ECS assembly goes through a great deal of stress and even with maintaining weekly I have had pins slide out and break. I've found that with the heat shrink the assembly stays together a little better and even if a pin gets loose, it is less likely to break. I'd suggest assembling the ECS per the instructions and use a little heat shrink to help make the unit more durable. Of course the more you take them apart and clean/re-grease them, the better
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Old 12-16-2009, 02:05 PM   #1160
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no, I've never seen a race finish that close that it would make a difference
I have in novice slash alone. Never know, plus it looks cleaner up in the bumper
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Old 12-16-2009, 02:07 PM   #1161
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I have in novice slash alone. Never know, plus it looks cleaner up in the bumper
It's not the best place to add weight (in front of the front tires) IMO. The difference between the bumper and servo might be 4 inches.
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Old 12-16-2009, 02:10 PM   #1162
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It's not the best place to add weight (in front of the front tires) IMO. The difference between the bumper and servo might be 4 inches.
I'd doubt you would notice the ever so slight increase in polar moment of inertia.


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no, I've never seen a race finish that close that it would make a difference
You'd kick yourself if you lost to a car that had its transponder in the nose.
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Old 12-16-2009, 02:15 PM   #1163
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It's not the best place to add weight (in front of the front tires) IMO. The difference between the bumper and servo might be 4 inches.
Theres no way the pt in the bumper will affect your handling. They are light as heck. I really dont think that would make a difference.
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Old 12-16-2009, 02:17 PM   #1164
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I'd doubt you would notice the ever so slight increase in polar moment of inertia.




You'd kick yourself if you lost to a car that had its transponder in the nose.
No I wouldn't, I don't care that much. I don't know that I have seen a race decided by 6/100s of a second, which is what 4 inches would equate to on a track with a 200 ft running line and ~12 second laps. I've seen qualifying that close but with an IFMAR start it wouldn't matter where the PT is.
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Old 12-16-2009, 02:17 PM   #1165
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I'd doubt you would notice the ever so slight increase in polar moment of inertia.




You'd kick yourself if you lost to a car that had its transponder in the nose.
i kicked myself once... i was battling for 3rd position to the line,

car-wise... my car crossed the line in 3rd place,

but transponder-wise... the other car crossed the line in 3rd place... yeah his transponder is on the bumper while mine on top of the servo.
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Old 12-16-2009, 02:18 PM   #1166
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Theres no way the pt in the bumper will affect your handling. They are light as heck. I really dont think that would make a difference.
If that were the case then lightweight bumpers would not be made.
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Old 12-16-2009, 02:18 PM   #1167
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to be Honest I've seen that close results
DoDo confirms that makes difference but I've been checking many pro guys cars none of them put their pt on/in to the bumper ...
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Old 12-16-2009, 02:20 PM   #1168
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No I wouldn't, I don't care that much. I don't know that I have seen a race decided by 6/100s of a second, which is what 4 inches would equate to on a track with a 200 ft running line and ~12 second laps. I've seen qualifying that close but with an IFMAR start it wouldn't matter where the PT is.
Missed the A at Vegas a few years back in Stock Foam by .006 seconds to Drew.

That was when the A was typically separated by a handful of seconds though.
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Old 12-16-2009, 02:21 PM   #1169
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Missed the A at Vegas a few years back in Stock Foam by .006 seconds to Drew.

That was when the A was typically separated by a handful of seconds though.
Yeah in qualifying I've seen times down to .001 difference but like I said in qualifying it doesn't matter where the PT is.
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Old 12-16-2009, 02:23 PM   #1170
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Yeah in qualifying I've seen times down to .001 difference but like I said in qualifying it doesn't matter where the PT is.
Good point. We were blaming the 3-layer vinyl stickers I had on the car at the time anyway.
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