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Discussion Starter · #1 ·
I just installed sds dampeners on my turbo m1.
I followed ten points video instructions and my bolts are going into no mans land. This could get really expensive really quick. Any and all help would be greatly appreciated
 

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TenPoint Siege, TenPoint Eclipse
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Take the SDS off and see if things improve, I installed the SDS on my Turbo M1 and get great accuracy.
Are you using the Alpha nocks ?
 

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Discussion Starter · #3 ·
Take the SDS off and see if things improve, I installed the SDS on my Turbo M1 and get great accuracy.
Are you using the Alpha nocks ?
I am using alpha nocks. I took it off and was only shooting a sliver high. But just before removing I dialed the dampers back a touch went kind of straight then high. I was thinking when I get daylight tomorrow try dialing it back a 1/16 before string like others suggested but I’m not sure if that defeats the purpose
 

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A few things to check:
1)in the uncocked position, look from one cam to the other along the bow string. Where the bow string crosses the rail-stock, does it hump up as it crosses?

2)with the string dampening system removed and the crossbow in the uncocked position, mark the stirrup side of the rail-stock from the bowstring toward the stirrup about 3/4" with lube, white out or something similar. Now shoot an arrow. What one is looking for is how far the bowstring travels forward from the normal point of rest. The bowstring would have to ride the rail for this to show. If the string stop is set lightly touching the bow string in the uncocked position as one would like to have it, the bowstring coming down, hits the stops like hitting a brick wall.

I have modified the Ten Point String Dampening System with the adjustable rods on my Barnett Ghost 410's. I have had to back these off 1/4" or more as in no time the rubbers are split. Using the rubbers that Barnett sells, are worse as the rubber is softer. Setting close the bow string eventually drives the rubbers farther onto the holder or rod causing the rubbers to split.

3)does the rubber stops center properly on the bowstring?

All the best.
 

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I installed the 10 point SDS on my Recruit when I had it. I was able to put the back edge right up against the riser which kept the stops evenly inline with the string.

The main thing I noticed was it took all the vibration out of the shot.


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The nice part about that string stop system is it can be adjusted when tuning the crossbow. What I found when doing a lot of target shooting like I have been doing, the rubbers do not last very long. I have replaced the rubbers with the Ten Point and also tried Barnett rubbers which will fit the same string stop rods with similar results, but are a softer rubber.

The higher the draw weight crossbow, the harder the bow string hits the rubber stops.

I tried installing the Ten Point system on my 2018 Barnett Droptine STR and found there is not enough room between the cables and the riser. Barnett has two string stop systems. One mounts on the riser which the rubbers do not properly center on the bow string and this system is not adjustable. Barnett's other system mounts onto the side of the rail-stock but it only will work on the longer power stroke crossbows, like the Ghost 410. The 2018 Droptine STR has the side of the rail-stock drilled for this system but there is no room.

All the best.
 

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I tried installing the Ten Point system on my 2018 Barnett Droptine STR and found there is not enough room between the cables and the riser.
I had to carefully file the slot and shorten the teflon slide in order to make mine fit. I went a little at a time until the SDS went in with just a slight amount of force.

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On my Barnett Ghost 410's (2 each) and on the Barnett Buck Commander BCXtreme 365 Ultra Lite, I shaved the Ten Point bracket, top and bottom equally for it to fit. The riser for these crossbows are inter changeable with the same riser width if measuring across the top of the bumps above the limb rockers. The limbs are 12 1/2".

The 2018 Barnett Droptine STR is narrower with 11" limbs, but still listed has having the 185 pound draw weight.
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Between where the riser fastens to the rail-stock and the cables in the uncocked position (pictures) of the 2018 Barnett Droptine STR there is 1/4" to 3/8" depending upon which side the cable cross is. The second picture shows up clearer.

On the Barnett Buck Commander BCXtreme 365 Ultra Lite that distance is 1 and 3/4".

All the best.
 

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Ventilator 175 Extreme Scorpyd Velocity 165. TB Custom Horton X-treme
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On my Scorpyd Velocity, I have always been bothered that the serving rests against the stops uncocked. Accuracy so far has been fine, but you have to wonder what happens when one wears differently than the other. I wish they were adjustable like my Storm is.
 

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I shaved the Ten Point bracket, top and bottom equally for it to fit.
I had thought about that but the SDS bracket was already thin enough so I elected to shave the rail.
.
 
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