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Old 11-04-2004, 08:55 AM   #1111
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Default Re: Re: Re: not to change the subject but....

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Originally posted by cartmen34
See, that's what I don't get. I just don't see how pinning is going to prevent any more tweaking than just normal screws. Since there are screws sitting right next to the pins, the chassis will still take and hold a tweak just as easily as any other double deck chassis would.
I dont want to get into the engineering aspect of it but think of it this way=

#1, screws are not as tight of a tolerance as the pin will be.. pin will have a smooth side, that cant bite into the plate. The screw could, and it could do so inconsistantly.. meaning that it may not be the same all of the time and eventually there will be slop.

#2 this is a bit off track here but think of your bathroom door. It is on a hinge. if you had one bulkhead and one plate and one screw and put them all together, you would be able to turn the bulkhead as if it were on a hinge. Adding a pin or seconde screw stableizes this hinge. You put a pin in the door, a foor in from the hinge, your not getting that door open.

picking a pin over a screw is better for many reasons.. the pin is fixed, it will never strip out, and it will stay more consistant than a screw that is griding on the carbon.

hope that clears it up a bit???
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Old 11-04-2004, 09:59 AM   #1112
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Thanks Keith, and yes, that does help. I never thought of it that way.
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Old 11-04-2004, 10:33 AM   #1113
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but a hole in c/f is still a hole in c/f......... the edge of c/f is its weakest link. The hole will wear out over time and have play. But it is a better aproach to fixing the problem.
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Old 11-04-2004, 08:01 PM   #1114
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Quote:
Originally posted by stumper
but a hole in c/f is still a hole in c/f......... the edge of c/f is its weakest link. The hole will wear out over time and have play. But it is a better aproach to fixing the problem.
I sincerely doubt that it would wear, seeing as it is a smooth pin, and the tolerances will be so close. I am guessing the plate will have to be pressed on to the bulkhead so unless your taking in on and off a lot, i dont think it will show wear to the point it would hinder the cars ability to hold a strait chassis.

If it does get to that point, perhaps you have too many miles on the car!! LOL..

i really cant wait for this pig...

Keith
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Old 11-04-2004, 08:11 PM   #1115
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Matt Francis was at Stockton carpets last night and I didn't see him worrying about chassis tweek on his JRX-S. He just worked on going fast...And succeeded.

Matt, Todd H. and Brian K. are all coming to the Region 12 Carpet Championships in Stockton this weekend. Practice starts at noon tomorrow.
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Old 11-04-2004, 08:23 PM   #1116
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whilst i agree that a pin will reduce the tweak problem, what i'm not sure is that how is a smooth pin held onto the CF plates. anyone got a close up shot or explaination? is screws still involved here?
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Old 11-04-2004, 08:30 PM   #1117
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Quote:
Originally posted by mashimaro
whilst i agree that a pin will reduce the tweak problem, what i'm not sure is that how is a smooth pin held onto the CF plates. anyone got a close up shot or explaination? is screws still involved here?
The pins are on the bulkheads. There are holes in the c/f that the pins key into.
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Old 11-04-2004, 09:48 PM   #1118
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Quote:
Originally posted by mashimaro
whilst i agree that a pin will reduce the tweak problem, what i'm not sure is that how is a smooth pin held onto the CF plates. anyone got a close up shot or explaination? is screws still involved here?
mashimoro, Screws are always involved. Think of the bulkhead as an upside down Lego block with some tapped screw holes. It won't budge or tweak.
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Old 11-04-2004, 11:17 PM   #1119
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Matt, Todd H. and Brian K. are all coming to the Region 12 Carpet Championships in Stockton this weekend. Practice starts at noon tomorrow. [/B][/QUOTE]

from any of the guys at the worlds regarding what happened to Team Losi? Interested in knowing what the vibe was and how the car handled.
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Old 11-04-2004, 11:30 PM   #1120
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It will be nice to see how the JRXS does at the carpet race.
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Old 11-05-2004, 03:20 AM   #1121
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Is there anyone out there who could please post updates from the stockton race when able to?
Thanx David
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Old 11-05-2004, 05:56 AM   #1122
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www.radiocontrol.gr
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Old 11-05-2004, 08:23 AM   #1123
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we are not looking for worlds images, which are nice BTW. We need to know who might be updating us on the stockton race?
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Old 11-05-2004, 08:40 AM   #1124
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Quote:
Originally posted by Gearhead3
we are not looking for worlds images, which are nice BTW. We need to know who might be updating us on the stockton race?
I will be coming home each night; so, I will try to do that.

Will concentrate on the team guys with the JRX-S.

Just headed out there in another couple hours.
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Old 11-05-2004, 08:58 AM   #1125
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hmmm That would be geat!!
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