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So I just received some 1842 simple shot premium black tubes. I believe it's New tubes that they're carrying? Having never used tubes before but wanting them for practicing so I don't burn through so much flat latex I want thought I'd give it a try.
After work yesterday the temperature was 35 degrees Fahrenheit kind of crappy and raining but I had my slingshot inside so that I could take it out first thing and least get around a shooting in before the band's got too cold. With my 25/13 mm taper I usually get around 240fps in normal Temps.
Right off the bat first shot I was several inches below Target at 10 meters?? When I moved up to seven I was dead on target with my normal aiming point on the corner of the fork. Don't know the exact speed but it was very slow way below 200fps.
I received my 1840 tubes in the mail after Dark so I gave them a test this morning. I cut the tubes to 7 1/2" straight tubes and tested them this morning at 32 degrees Fahrenheit. My shots were coming in at an inch maybe two under Target definitely closer than the flat bands with a slightly cold a temperature. I then moved forward 7m and my shots were dead on target. The speeds with the tubes were a little faster than the flat bands noticeable but definitely still slow. I'm shooting 3/8 in Steel with a 32-inch draw length. I know I can get much faster speeds if I shorten up the tubes but I want them to be practice and to last a long time.
My tube stretch will be a ratio of 4.3 and if that's not fast enough for normal weather I will get them closer to a ratio of 5.0 so that I can get speeds around 230 to 240.
Very happy with the tube so far easy to work with and I like that I don't have to untwist my bands. I know that I could use these tubes with a pseudo taper as wll showed in his threads if I so chose, but I have so much flat bands that work at hunting speeds that I plan on just using the tubes around the backyard. I will update when the weather gets more normal tomorrow to see what speeds are in 80 degree temperature.
Vince
Cheers
After work yesterday the temperature was 35 degrees Fahrenheit kind of crappy and raining but I had my slingshot inside so that I could take it out first thing and least get around a shooting in before the band's got too cold. With my 25/13 mm taper I usually get around 240fps in normal Temps.
Right off the bat first shot I was several inches below Target at 10 meters?? When I moved up to seven I was dead on target with my normal aiming point on the corner of the fork. Don't know the exact speed but it was very slow way below 200fps.
I received my 1840 tubes in the mail after Dark so I gave them a test this morning. I cut the tubes to 7 1/2" straight tubes and tested them this morning at 32 degrees Fahrenheit. My shots were coming in at an inch maybe two under Target definitely closer than the flat bands with a slightly cold a temperature. I then moved forward 7m and my shots were dead on target. The speeds with the tubes were a little faster than the flat bands noticeable but definitely still slow. I'm shooting 3/8 in Steel with a 32-inch draw length. I know I can get much faster speeds if I shorten up the tubes but I want them to be practice and to last a long time.
My tube stretch will be a ratio of 4.3 and if that's not fast enough for normal weather I will get them closer to a ratio of 5.0 so that I can get speeds around 230 to 240.
Very happy with the tube so far easy to work with and I like that I don't have to untwist my bands. I know that I could use these tubes with a pseudo taper as wll showed in his threads if I so chose, but I have so much flat bands that work at hunting speeds that I plan on just using the tubes around the backyard. I will update when the weather gets more normal tomorrow to see what speeds are in 80 degree temperature.
Vince
Cheers
