ilovefire wrote:are you using a O-ring or a rubber tube, because i made one with a bit of rubber tube and the bb popped at about 200 psi and i had a bit of fun with it and after maybe 10 shots the burst pressure was less the 150psi
I found some "K-Flex" clear polyurethane tube at work, pretty hardwearing stuff, I think the I/D is around 8mm. I also cast it with a 3/8" bearing already in place, so instead of uniform hold it will already have a recess to retain the bearing.
Absolutely no idea what pressure it will hold though, testing in about 5 hours.
hectmarr wrote:You have to make many weapons, because this field is long and short life
There certainly is a lot of heat generated, I took apart on of the cartridges I had only used at 6x and the foam disks that I use when casting which was exposed to the combustion had completely melted away
This is tough industrial grade stuff though, should hold up well. Only testing will tell, we'll see.
hectmarr wrote:You have to make many weapons, because this field is long and short life
It seems as if a bolt action could be difficult if they are as long as they look.
The cartridge is slightly shorter than the 14.5x114mm ammunition used in single shot anti-tank rifles, semi auto anti-material rifles and heavy machine guns,, shouldn't be too much of a problem.
thanks, sadly no because there just aluminum they will get damaged to easily,
If that is the only limitation, using a casing catcher could be a solution.
first of all yes the cartridges are quite long, also i dont really feel like making something that can have to much go wrong with it so its just going to be a simple bolt action, and as for difficulty im only going to have the bolt move at most 5cm just enough to get it to seal on the barrel and to lock it in place.
iv also been having problems with fueling even after doing all the calculations its still not working for me
finished most of the workings of the gun and got a new battery for my ignitor so i have got it working, and quite consistently to so anyway here is a vid will have another up soon and hopefully some pics a bit latter
[youtube][/youtube]
at the end i had a little spazz attack, that was from me accidentally tasering myself... not a good feeling
thaks, i am very pleased with it at the moment and i am thinking of changing my original idea on the stock to this if not just for the fact that it would look cool but it will also cut down on the length, but it also means i will probably have to get a scope for it though
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Last edited by SpudBlaster15 on Thu Jul 15, 2021 1:32 am, edited 1 time in total.