RE: cabelas fred bear 4000 bow
The Darton system is a little closer to a one cam. It has all of the major control factors on the bottom cam. The take up track on the upper (idler) wheel of the Darton system is round. The top cam/idler wheel, whatever you want to call it, is kept in synch with the lower cam by the shape and size of the letout portion of the 3 track lower cam.
The Hoyt Cam & 1/2 uses a small, round piece to let out string from the bottom cam to the "idler wheel" which is shaped like the lower cam. The take up element which controls the synchronization between the top and bottom on the Hoyt system is a cam shaped (not round) track in the upper wheel / cam. As most true experts on the systems have said in other posts (the only reason I know this), the Hoyt system is more like a two cam system than the Darton.
Both systems load both limbs by only one power cable, which runs from the cam lobe on the lower cam to the axle on the upper limb.
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