Xray XB2 2WD Buggy Thread
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#1936
Tech Champion
iTrader: (32)
My comment was stating that most all the fast stock racers at my track run a 72 spur in general. Not that Xray driver's are running a 72. IMO I feel that if you're going to try and tap the spec market i'd go with a 72 rather than a 69. I'll keep my eye on the car and see if I can help the locals with it.
#1937
Tech Initiate
iTrader: (7)
Question - If the transmission ratio is constant (2.65 in xb2), does it really matter what spur you run if the gear ratio is the same? A 75/36 (2.083) should run close to a 69/33 (2.091), which should run close to a 66/32 (2.063), right? Other than a slight weight transfer due to motor position, is there something else I'm missing?
#1938
Has anyone else had this problem? I haven't run my Dirt Edition yet but I did notice the head is not wide enough or the screw is not close enough to the pin.
#1939
Tech Initiate
Currently running Robinson Racing aluminum pro pinions black coated
Are the Xray pinions any quiter.
Also what are thoughts on running the Xray narrow pinions has anyone tried them if so whats the noise like.
Are the Xray pinions any quiter.
Also what are thoughts on running the Xray narrow pinions has anyone tried them if so whats the noise like.
#1941
Tech Master
iTrader: (32)
Question - If the transmission ratio is constant (2.65 in xb2), does it really matter what spur you run if the gear ratio is the same? A 75/36 (2.083) should run close to a 69/33 (2.091), which should run close to a 66/32 (2.063), right? Other than a slight weight transfer due to motor position, is there something else I'm missing?
#1942
Tech Champion
iTrader: (515)
Oddly enough I found out that 69/32 will not fit with the slipper eliminator. Looks like I'm going to have to either try 69/33 or 72/32. They do have a 72 spur FYI. I'm Not sure if its an AE part or Kimborough but it exists. If I can find one new in the package I'll post a pic.
#1943
How do u stop the body from moving around and hitting the top shaft ? I used a lot of Velcro ? Lol
#1944
#1945
Hope they come out with some different bodies? body mounts would of been cool
#1947
Tech Champion
iTrader: (32)
Question - If the transmission ratio is constant (2.65 in xb2), does it really matter what spur you run if the gear ratio is the same? A 75/36 (2.083) should run close to a 69/33 (2.091), which should run close to a 66/32 (2.063), right? Other than a slight weight transfer due to motor position, is there something else I'm missing?
#1949
Tech Lord
iTrader: (52)
My comment was stating that most all the fast stock racers at my track run a 72 spur in general. Not that Xray driver's are running a 72. IMO I feel that if you're going to try and tap the spec market i'd go with a 72 rather than a 69. I'll keep my eye on the car and see if I can help the locals with it.
#1950
Tech Regular
Need to dremel out the motor plate if using a 69/32 or smaller pinion. Or just stay 72! I assume that's why a 75 is only available.