Always glad to know I helped somebody build their cannon! The chamber design is eerily similar to Superna Looking good man, I bet it's a blast to shoot. Like BtB said though, you should have just placed the sprinkler valve directly behind the piston, for more efficiency and a quicker opening time.

Time for my yearly checkup as well (actually 4 months but hey, long enough), but I won't start my own thread because my life isn't as interesting as yours

Redirecting it to the barrel would be a better idea. Opening up the pilot to the chamber would cause the valve to stay closed because a piston valve needs a high pressure differential to open. Routing the pilot volume to the barrel however might give the projectile a little push before the chamber v...

Sometimes you can actually buy a seamless nipple. It'll be way more expensive than a standard nipple though.

Well if you have that adjustable pop-off valve, you should put it on and set the pressure higher, and you'll probably get some better damage. In the long run it'd probably look a lot better to use a compact QEV in place of the sprinkler valve. You might have to play with the valve to get it working ...

Looks cool, what kind of pressure can you generate? By the looks of it I would guess 200 psi max...

Well good thing I have 3 other vacuum motors

It just sucks because this is the only one I had with 2 speeds, but I guess that can be solved with a speed controller on any one of the other motors.

jrrdw wrote:Check for shorted stator windings by doing a continuity test between the wire lugs and stator shaft. There should be no continuity between the windings and shaft.

I'll try that. If that is the problem though... there is no hope

No clue on the one terminal as I don"t know the original configuration. It could have been a ground lug used for a noise filter to prevent electrical noise and not part of the windings at all. The thing is it worked before. Then one day it just stopped working. Only the right terminal spins the mot...

I have one of these for my small camera. I'm sure you can afford it

http://www.amazon.com/Sunpak-SPK620786- ... ini+tripod

Good reason btw

I like to take a nylon spacer and then insert a bolt that doesn't quite make it to the rear. The head of the bolt keeps the center of mass towards the front and also provides for a very blunt impact force. These rounds are reusable and fairly cheap (50c each). If you can find a spacer that fits in y...

I have access to hundreds for free whenever I feel like roaming the fields past the driving range at midnightish times Oh I hear you there! Driving range isn't too far from me either :wink: I think if you initiate the rotation from the get-go, it might remain on the right path. Maybe you could try ...

A tripod would suit you well

Was destroying the phone really necessary?

Thanks Tech! Any idea why one terminal would just stop working though? The Right terminal works fine, but the middle doesn't run the motor.

Talk wrote:current research on internet i found that they don't lay eggs in ears.

LOL like anybody would know if they do?? You could be the first!! Don't be surprised when you wake up in the morning and 3 dozen little bastards crawl out of your ear!!