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Post by scottw on Sept 4, 2011 16:35:06 GMT
hi all,
went to ardent on sat for a practice as was going out the sat night,
same setup as donny, but loads of grip.
after 6 laps front right drive shaft pin wore out laft wheel just spiining. repaired that, then 3 laps later left went. replaced both with new and again in a matter of laps one went, so i gave up.
any i deas whats causing it. grub scew tight and lock tightened in correct size pins used.
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Post by Big Paul on Sept 4, 2011 17:30:32 GMT
Is this the pin that joins the two peace's of the drive shaft together Scott.
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Post by scottw on Sept 4, 2011 18:11:26 GMT
yeah it is.
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Post by Big Paul on Sept 4, 2011 18:21:44 GMT
Scott re-reading your post it is the pin I thought.The grub screw if put in to tight may put the pin under stress .So it's a case of not to tight but just tight to hold the pin not to put the pin under stress and brake with a good tap. I think I'm guilty of doing this.
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Post by scottw on Sept 4, 2011 19:26:38 GMT
they are not snapping oe breaking just one side comming out and loosing drive to that wheel
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Post by Browny on Sept 4, 2011 19:37:51 GMT
Is there no flats on the pins? Had this problem with the MI4LP, i had it go over the straight at Ardent when the right one shot out and locked the steering block up.
I dont know if there is an alternate solution to them, i think Dean or Graham runs Tamiya. So it maybe worth while asking them.
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Post by neil on Sept 4, 2011 19:58:54 GMT
if there isnt a flat, make one.
File a small curved slot for the grub screw to sit in.
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Post by scottw on Sept 4, 2011 21:51:14 GMT
funny you should say about the flat because there isnt, and when i was there i bought some more to repair for the fourth time but with flats on them.
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Post by Browny on Sept 4, 2011 21:55:04 GMT
Flats the way to go, other wise there gonna slide out. The TOP Racing pins have flats and fit in the Xray shafts, had to put some of these in myself cos of this problem.
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sherbs
Junior Member
Posts: 55
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Post by sherbs on Sept 4, 2011 22:14:02 GMT
Me too, I'm now using the TOP pins in the Xray. I do keep an eye on them every few runs, even these tend to come loose.
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Post by neil on Sept 4, 2011 22:25:19 GMT
Yeah same, ive got the TOP pins.
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Post by Browny on Sept 4, 2011 23:08:45 GMT
Not had an issue with mine Sherbs.
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Post by scottw on Sept 5, 2011 0:21:21 GMT
yeah that what they gave me xray top pins. so you all knew about this and fialed to tell me !!  |
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Post by Big Paul on Sept 5, 2011 13:20:12 GMT
How many in the pack and dare I ask how much.
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Dene
New Member
Posts: 15
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Post by Dene on Sept 5, 2011 14:38:42 GMT
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Post by Graham D on Sept 5, 2011 14:58:04 GMT
Yep there different sizes and having a small pin will increase the wear on the axle and also cause the pins to slip.
I'd order some pins that are the right size (from the part number) and possibly get the covers that Dene mentioned.
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Post by Browny on Sept 5, 2011 17:01:30 GMT
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Post by scottw on Sept 5, 2011 17:52:42 GMT
hm might order some of them in the mean time will stick the pins in i bought on sat for this friday.
And Paul,2 in a pack for a pull your pants down and shove it up my bum price of £5.00
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Post by Browny on Sept 5, 2011 18:14:01 GMT
Two? Think i got a pack of 8 TOP Racing pins for £5-6!
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Post by Big Bad Dave on Sept 12, 2011 14:03:32 GMT
TOP pins are about 3 quid and will solve your issue failing that dremel a flat on your exisiting pins.
Also lock tight the grub screw in!
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