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Old 02-26-2008, 07:42 AM   #901
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I think that inorder to achieve the correct fdr for the 17.5 you would have to run a 88 spur and a 44 pinion. I believe that is that correct
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Old 02-26-2008, 03:41 PM   #902
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will an 88 spur reach a 44 pinion? The local hobby shop can get spurs as small as 80 tooth 64pitch. Will they fit/ reach????
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Old 02-26-2008, 03:44 PM   #903
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the motor will only go so far back so, u better have pinions 42-50 and that may b over geared
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Old 02-26-2008, 04:08 PM   #904
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alberto, I think that that combination will reach. I used a 102 spur this weekend with the smallest pinion I could mesh, which was something like a 32.
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Old 02-26-2008, 04:42 PM   #905
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ive tried a 84t spur in mine and i cant get the motor to move close enough to touch. this past weekend i had a 96 spur with a 47 pinion in the car. it worked good i could have gone a couple of teeth higher but didnt have the pinions. i was rolling out at like 49.21mm the motor came off at 127 degrees
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Old 02-26-2008, 04:44 PM   #906
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guys this info is a big help!!! Im looking into a brushless system of the 008 and from the looks of it you all have worked out the kinks for me.. Thanks
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Old 02-26-2008, 06:48 PM   #907
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again, how has everyone dealt with the issue of getting at the motor screw to tighten it? i have a 100 tooth spur and i have to get at through the standoffs and the hole in the spur at an angle but it is going to strip soon. has anyone come out with any fixes to this problem?
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Old 02-26-2008, 06:53 PM   #908
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Quote:
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again, how has everyone dealt with the issue of getting at the motor screw to tighten it? i have a 100 tooth spur and i have to get at through the standoffs and the hole in the spur at an angle but it is going to strip soon. has anyone come out with any fixes to this problem?
Yo man, I know not what you speak of.

I've used a 96, 104, and 112 spur, PRS and Xray types with large holes in the spur, and I've not had too many issues getting to the screw. When I have, I've change the spur/pinion combo to allow better access. IF you intend to use only one specific size spur, than you will need to get used to tightening the outer screw, and then loosening the four screws in the top deck above the spur and lifting the spur up and out a little to reach the inside motor screw, then dropping the spur/layshaft back down and re-tightening the top deck.

Last edited by kn7671; 02-26-2008 at 07:03 PM.
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Old 02-26-2008, 07:46 PM   #909
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Yo man, I know not what you speak of.

I've used a 96, 104, and 112 spur, PRS and Xray types with large holes in the spur, and I've not had too many issues getting to the screw. When I have, I've change the spur/pinion combo to allow better access. IF you intend to use only one specific size spur, than you will need to get used to tightening the outer screw, and then loosening the four screws in the top deck above the spur and lifting the spur up and out a little to reach the inside motor screw, then dropping the spur/layshaft back down and re-tightening the top deck.
WOW!!! There has to be an easier way
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Old 02-26-2008, 08:25 PM   #910
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WOW!!! There has to be an easier way
Welcome to Xray's super low bulkheads and the new, narrower gap between the motor bulkheads. It is much tighter in there, and w/o a long 2mm ball-hex screwdriver, the inner screw will be hard to reach. Like I said, I don't have this problem often, but I have a Hudy 2mm ball-hex driver.
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Old 02-26-2008, 09:18 PM   #911
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Quote:
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Welcome to Xray's super low bulkheads and the new, narrower gap between the motor bulkheads. It is much tighter in there, and w/o a long 2mm ball-hex screwdriver, the inner screw will be hard to reach. Like I said, I don't have this problem often, but I have a Hudy 2mm ball-hex driver.
thanks, i'll be getting a 2mm ball hex driver
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Old 02-27-2008, 09:29 AM   #912
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The 102 that adamge ran had 2 of the opposing holes ovaled so that motor adjustment without any disassembly could be done. You can elongate the holes in the gear without fear of weakness because once the gear mesh is set and the motor is bolted down there is no down pressure on the teeth of the spur, just rotational torque, which shouldn't be effected with this mod. The spur was from a MSXMRE kit.
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Old 02-27-2008, 10:39 AM   #913
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Anyone know what the lb ratings are for the 008 springs? I'm looking specifically for 2.4, 2.6 and 2.8 springs.
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Old 02-27-2008, 11:49 AM   #914
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JUst to chime in im running a 17.5 with a 36 pinion and a 78 gear 48 pitch
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Old 02-27-2008, 04:19 PM   #915
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Anyone know what the lb ratings are for the 008 springs? I'm looking specifically for 2.4, 2.6 and 2.8 springs.
They don't list any specific lb ratings, but this chart should give you a good idea:
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