Harness the power of precision mixtures of pressurized flammable vapor. Safety first! These are advanced potato guns - not for the beginner.
-
SpudFarm
- First Sergeant 3

- Posts: 2571
- Joined: Sat Nov 04, 2006 9:39 am
- Location: Norway Trondheim area
Fri Mar 28, 2008 5:41 am
i think my original topic is out on date now so i make a new one.
i think i am going to ask larda make the endcap on the back really long so the chamber gets 27.6" long and 3.5" in diameter.
what do you think of DDT in that chamber at 10x?
EVBEC says : 1645fps

(46gram golfball)
"Made in France"
- A spud gun insurance.
-
SpudFarm
- First Sergeant 3

- Posts: 2571
- Joined: Sat Nov 04, 2006 9:39 am
- Location: Norway Trondheim area
Fri Mar 28, 2008 6:24 am
and i am using a sparkstip..
"Made in France"
- A spud gun insurance.
-
DYI
- First Sergeant 5


- Posts: 2862
- Joined: Sat Jul 07, 2007 8:18 pm
- Location: Here and there
Fri Mar 28, 2008 6:58 pm
Unless you have several metres of unburned fuel between ignition points, you needn't worry. DDT runup isn't a whole lot shorter at 10x than it is at 1x.
Congratulations on the volume increase spudfarm. What kind of air source are you planning on? Because that chamber at 10x will require more than 1 cubic foot of air per shot. Or is this going to be a non-portable backyard thing?
Spudfiles' resident expert on all things that sail through the air at improbable speeds, trailing an incandescent wake of ionized air, dissociated polymers and metal oxides.