Hope that all is well with everyone here at SpudFiles.
Here is a re-make of one of my existing Cannons.
The Paintjob isn't yet finished, forgive me.
Intended ammo: Mini Pocket Vortex Nerf 2" diameter
1.5" Sprinkler Valve
2" Breech Loading slide port
Gauge
Safety Pop off Valve
4" Diameter Air Chamber
2" bore diameter, 52" Long effective length, from where the Nerf sits.
Performance:
With air charge of 40 psi, Nerf chronoed at 380 FPS.
At 30 psi, chronoed at 336 FPS.



