Parallel limbs, explain importance


maddhunter

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Re: Parallel limbs, explain importance

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power stroke has nothing to do with limbs..it comes with riser design producing a particular brace height and draw length. draw length minus the brace height equals your power stroke.

what parallel limbs has allowed is longer risers for added stability without having to have a longer axle to axle length

parallel limbs go off in such opposite directions of each other they essentially produce no recoil...there is always some recoil but they produce alot less...

shorter bows will store more energy and shoot faster...

there is marketing with everything these days, single cams, cam 1/2's, etc.... but parallel limbs are hardly a ploy....

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uh--yea, that's what I was going to say!

todd

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Re: Parallel limbs, explain importance

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I wanted to add something to what dogdoc was going to say......

your limbs come back and can add brace height thus reducing power stroke, this is counteracted by more reflex in the riser or using a limb that is shorter in length.

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thanks JB---I knew i left something out grin.gif

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Re: Parallel limbs, explain importance

Put more basic.

When the string is released.

The limbs move up and down away/apart from each other, not forward like a conventional bow. This "forward" limb movement caused vibration when the string get back to straight and the bow can lurch forward or jump out of your hand, etc.

Limbs moving away from each other will simply stop once the string is straing and not lurch forward. Although there is far less vibration its still there. But compared to a conventional bow design, it is hardly noticable.

Now back to JB for more technical explantions.... LOL

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Re: Parallel limbs, explain importance

Ah, some clarification, much appreciated. While I understood what constituted the power stroke, I have also noticed that there is a move towards higher brace heights in bows with the parallel limb design. I wonder if this has to do with limitations in the amount of reflex built into the riser or if merely to make the bows more forgiving. Not sure if shorter limbs store more energy, not likely as they are lighter, but because they are shorter and lighter they move faster, hence more arrow speed. Sometimes this technical stuff can be fascinating, and some of you guys are just amazing with your knowledge.

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