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Does it make sense that getting cams back timed correctly would lessen the difference between Broadhead POI and Fieldtip POI? It seems that after getting the cams timed correctly everything I throw out is hitting very close. I just didn’t think it would make much difference since the arrow is riding down the rail.
 

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Does it make sense that getting cams back timed correctly would lessen the difference between Broadhead POI and Fieldtip POI? It seems that after getting the cams timed correctly everything I throw out is hitting very close. I just didn’t think it would make much difference since the arrow is riding down the rail.
If you are referring to cam sync , then absolutely makes a difference .
a bow with the cams out of sync will skew the nock left or right down the barrel the minute it leaves the arrow retention arm . , then add a broadhead with blade's that plain in the wind and accuracy between the 2 ( fieldpoint ) go out the window .
Cam sync is more important then cam timing IMO .

The enclosed barrel on the swat will not let that skewing happen .
 

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Maybe I said it wrong, what I am talking about is making sure the cams are in the same place in the rotation while they are at rest using holes in cams etc for a reference point in relation to the limbs.
That is cam sync .
Now how many dots you have showing or how far one dot , or one hole is away from the limb is cam timing .
 

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Gotcha! Sync is making sure they are together, timing is setting both to a set point! So setting both of them to say showing the same number of dots would mean they are synced and timed. Correct?
Setting them both to the same amount of dot's is sync .
lets say your bow come from the factory with 4 dots showing and both cams are on 4 dots , then the bow is timed and sync'd , now if the bow is only showing 3 -1/2 not 4 dots on both cams then it is out of time , depending on the ATA one would want to put one twist or two in each cable to regain the 4 dot timing set by the factory .
 

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Got it! Nemisis 480 has a hole in the cam but I haven’t been able to find what the measurement is supposed to be to the limb, anybody know the answer?
You want the edge of the cam spoke that that hole is in to be even with the inside of the limb .
Or 3/8 to the center . i just find it easier to use the curved edge of the spoke .
A little here or there will not cost you or gain you 1 fps .
 

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If you are referring to cam sync , then absolutely makes a difference .
a bow with the cams out of sync will skew the nock left or right down the barrel the minute it leaves the arrow retention arm . , then add a broadhead with blade's that plain in the wind and accuracy between the 2 ( fieldpoint ) go out the window .
Cam sync is more important then cam timing IMO .

The enclosed barrel on the swat will not let that skewing happen .
Thanks Tim for confirming what I stated recently on sync versus timing .

The first part is what I’ve been wondering though. If one is lucky, you can have the cams in sync both uncocked and cocked. But the limbs would have to have identical deflection in order to do so which gets a bit tough with split limb designs.

There are different opinions when you can only have the cams in sync in one position. I’m under the opinion that in sync when uncocked is favorable to in sync when cocked.

It depends whether you want the skewing to decrease as the nock travels down the barrel and leaves the string, or having the skewing increase when the nock reaches the end. Seems to me the former is more favorable than the later.
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Thanks Tim for confirming what I stated recently on sync versus timing .

The first part is what I’ve been wondering though. If one is lucky, you can have the cams in sync both uncocked and cocked. But the limbs would have to have identical deflection in order to do so which gets a bit tough with split limb designs.

There are different opinions when you can only have the cams in sync in one position. I’m under the opinion that in sync when uncocked is favorable to in sync when cocked.

It depends whether you want the skewing to decrease as the nock travels down the barrel and leaves the string, or having the skewing increase when the nock reaches the end. Seems to me the former is more favorable than the later.
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I only worry about cam sync at rest and then check my barrel to cam axle each side .
You are right limb deflection and or a riser being wonky jawed will throw it ( sync ) off during the draw stroke .
If a guy could split the difference i think that would be better than just setting them at rest but i do not see a huge accuracy gain either way !!
 
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