Add 2 twists to the single end cables and you will gain fps. I had mine shooting 400 gn. 378fps. I have around 900 shots on strings and cables and have slowed down to 360 fps. Need new ones.
If you shot a 380 grain arrow-point combination, you would gain approximately 6 feet per second which would put that crossbow at 359 + 6 = 365 feet per second. For every 10 grains over what the manufacture advertised to get their speed, one loses approximately 3 feet per second. 20 divide by 10 = 2 x 3 = 6.For those of you who have the TS370, what velocity are you getting from it?
I chronographed mine today with 400 gr. arrows and was getting a consistent 359 FPS. I’m content with that, as it’s close to the advertised speed with an arrow that’s 20 gr. heavier than the arrow used for the published velocity.
Just curious to know what the rest of the 370 shooters are seeing.
Also those are not stock strings and cables. Built with x99 and halo servings. A good set of customs when the stock wear out should show some gain. Had 3 extra twists in the cables. Added 1 a week for 3 weeks to get the 378fps.Let me add a bit more depth. Add shims, see my TS370 riser modification post. That may help you gain some FPS also, adding twist like HunterThompson will definitely help. Also check your ATA uncocked. It should measure 16.75 inches post to post.
Good luck, Clarvis.
So 367 with 400 gn. Nicemy TS370 shot 352 FPS with a 448 grain bolt.
Christopher, Maybe not as many Xbows as yours but I've gone through a few and totally agree. So underrated. Whoever at Barnett engineered this Xbow got this one right. A+ is the grade I'd give this Xbow.i loved my ts370 - one of the most under rated xbows on the market. i have/had a few xbows to compare it to first hand, one of my favorites
Got that right.From my fingers to barnetts ears: build a ts420. Use the 370 platform with heavier limbs and bigger cams. No step thru riser,just like the 370 and people will eat them up.
Go put meat in the freezer. You are set with that setup, CJ!Thanks for the tips gents. I have one weekend left in OK's archery season and I'm going to try to get it sighted in so that I can go out. All I really need to do is confirm my scope settings and where the arrow impacts at each crosshair using a practice head and I should be G2G. The riser shims will have to wait.
I'll check the ATA this evening, but since adding extra twists to the cables or string takes a bow press, that will have to wait until later. As it stands, the cams are level and correctly timed.
This is my first crossbow, but I'm really pleased so far.