Guys,
I been wanting to do extensive testing for my gun and I managed to do it last Saturday. Unfortunately the water visibility got worst thru the day. It started with a "can-see-so-so" the target at 20 feet ( 6 meters ) but as the day progress I was having difficulty aiming at 16.5 feet ( 5 meters ). The test depth is 11 feet. There was a mild surge.
I wanted 2 do this test because I just received my 8mm Hawaiian shaft and I never like this configuration, so I am curious. I also used a 400 lbs mono, something I never tried before, I have been a cable guy. The shooting line is 6 meters ( 20 feet ) or 3 double wraps.
The bands are 9/16" (14mm). The target board is a 6mm ( /4" ) plywood to gauge penetration power. The target sheet is a clear plastic so that I can keep it after the test. The clear plastic is better when I put a white paper underneath, it created the constrast I needed cause the plywood is rather dark underwater.
The 2 shots are taken with 3 bands, not 4 bands. Distance was 4 meters ( 13 feet ) measured from the shaft sharp tip to the target board. Shots taken with 1 hand.
I hope the test will give new guys some idea and hopefully it helps. The penetration at this distance was +-25" (+- 60 cm ). Please don't get me wrong the plywood is only 6mm thick and after the initial +-5" penetration where the flopper ends, it wasn't that difficult to penetrate the plywood because the hole was already created by the sharp point. I am using the 6mm plywood because I think it give a rough idea or comparison to a fish gill. I mean those under 40-50 pounds.
Notice that I drew a circle to indicate "aiming area". I initially wanted to shoot the middle of the + (cross) area but I wanted to shoot more per target sheet, so I aim at the top and for the second photo I aim at the bottom.
What I learn from the test is :
01. The 8mm Hawaiian shaft is superfast, compared to my usual Ice Pick spearhead, also on 8mm (5/16) shaft. It shoot a bit further too. Impact wise I don't know but penetration is better with Hawaiian shaft. Holding power I still like the Ice Pick way far.
02. It is true lighter overall shaft weight does produce less recoil.
03. Mono filament is nice to use but at least twice I it got entangled on my swivel when fired. How it happened, I don't know, never happened 2 me with a 500 lbs coated cable.
04. In order to get maximum accuracy, I think this Hawaiian shaft need a little different aiming technique compared to the Ice Pick. I got to find better water visibility to learn more of this, aiming was a problem last Saturday.
Regards,
IYA
I been wanting to do extensive testing for my gun and I managed to do it last Saturday. Unfortunately the water visibility got worst thru the day. It started with a "can-see-so-so" the target at 20 feet ( 6 meters ) but as the day progress I was having difficulty aiming at 16.5 feet ( 5 meters ). The test depth is 11 feet. There was a mild surge.
I wanted 2 do this test because I just received my 8mm Hawaiian shaft and I never like this configuration, so I am curious. I also used a 400 lbs mono, something I never tried before, I have been a cable guy. The shooting line is 6 meters ( 20 feet ) or 3 double wraps.
The bands are 9/16" (14mm). The target board is a 6mm ( /4" ) plywood to gauge penetration power. The target sheet is a clear plastic so that I can keep it after the test. The clear plastic is better when I put a white paper underneath, it created the constrast I needed cause the plywood is rather dark underwater.
The 2 shots are taken with 3 bands, not 4 bands. Distance was 4 meters ( 13 feet ) measured from the shaft sharp tip to the target board. Shots taken with 1 hand.
I hope the test will give new guys some idea and hopefully it helps. The penetration at this distance was +-25" (+- 60 cm ). Please don't get me wrong the plywood is only 6mm thick and after the initial +-5" penetration where the flopper ends, it wasn't that difficult to penetrate the plywood because the hole was already created by the sharp point. I am using the 6mm plywood because I think it give a rough idea or comparison to a fish gill. I mean those under 40-50 pounds.
Notice that I drew a circle to indicate "aiming area". I initially wanted to shoot the middle of the + (cross) area but I wanted to shoot more per target sheet, so I aim at the top and for the second photo I aim at the bottom.
What I learn from the test is :
01. The 8mm Hawaiian shaft is superfast, compared to my usual Ice Pick spearhead, also on 8mm (5/16) shaft. It shoot a bit further too. Impact wise I don't know but penetration is better with Hawaiian shaft. Holding power I still like the Ice Pick way far.
02. It is true lighter overall shaft weight does produce less recoil.
03. Mono filament is nice to use but at least twice I it got entangled on my swivel when fired. How it happened, I don't know, never happened 2 me with a 500 lbs coated cable.
04. In order to get maximum accuracy, I think this Hawaiian shaft need a little different aiming technique compared to the Ice Pick. I got to find better water visibility to learn more of this, aiming was a problem last Saturday.
Regards,
IYA
