Is there a way to adjust the cam lean on a chill that has the floating yokes.? I have the Chill, a 70lb max, set at around 62 lbs. 29″ draw with a whisker biscuit rest. I am shooting FMJ 340 spine arrows with Thunderhead 125 grain broadheads. I’m really having a hard time getting consistant groups. The top cam seams to be really leaning more than the bottom. My broadheads fly low left of field points. I tried adjusting the rest up with no luck, to a point where i would be nock low of square and also don’t want to adjust the rest anymore right because of the Bazer vanes hitting the cables. The only thing I can think is the cam lean is causing such inconsistencies. Any help would be greatly appreciated.
No. Limb twist/cam lean can not be adjusted because the yokes are floating yokes. I asked my dealer about eliminating the ‘washer’ and using a split yoke and he told me it would void the warranty.
Lay an arrow on the top and bottom cams. If they cross at or outside (shelf-side) of nock height, accuracy will not suffer. If they cross over the string or well above or below the nock height when bow is in spec and tuned, then take it to the dealer for warranty work.
With a 29″ DL and 70# DW, I’d shoot nothing less than a .300 spine shaft, especially with 125-gr points.
If the broadheads fly low and left, raise the rest or lower the nock height to get the same elevation as FPs, then correct the right-left by moving the rest in the direction the broadheads hit; i.e. if the broadheads hit left, move the arrow rest out for a RH shooter.
Thanks GJarcher. I laid an arrow across the top cam & it crosse the string at my peep sight ,well above the nock. If I take to the dealer , what could be done to correct this, also my draw weight is set at around 63 lbs. so the 34o arrows should be fine don’t you think? Like stated, i have tried to move my rest up to correct for the bh & fp hitting the same but that would put me at nock low out of square.
If the arrow is laid on the shelf-side of the cam, and it crosses over the string at peep height, that is way too much lean. The dealer needs to look at it.
It could be cam bearings gone bad, or it could be limb issues. Either way, under warranty whatever parts need to be replaced will be taken care of through your dealer.
Mathews has always been very responsive when I’ve had warranty work, hopefully you’ll be back shooting in no time also.
… .340 spine shafts would be fine with 100-gr FP/BH. Cut them to 28.5 AMO length (insert face to nock groove) and you should have about 11% FOC. If you stay with the 125-gr FP/BH, they may shoot OK depending on form, etc. If you have problems tuning or poor groups, you might have to bump up the spine to .320 ~330.
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