Search found 1739 matches

by rna_duelers
Sun Oct 23, 2016 5:17 am
Forum: Combustion Cannons
Topic: Garden Sprayer Cannon (Chappy)
Replies: 4
Views: 1840

Re: Garden Sprayer Cannon (Chappy)

So when's the next installment?The chamber seems well suited to combustion use,the idea of a chamber fan for exhausting does seem feasible in fact necessary! Maybe adding one inline with the intake fueling charge that blows through to remove the spent gasses,thus using only the two holes for the fue...
by rna_duelers
Thu Oct 20, 2016 11:43 pm
Forum: Combustion Cannons
Topic: Displacement Fueling/Venting Concept
Replies: 6
Views: 1901

Re: Displacement Fueling/Venting Concept

I did mean carburetor fueling,sorry about the confusion...But,carbide carburetor fueling now there's something i haven't seen!

Have you started on the weed sprayer chamber?
by rna_duelers
Tue Oct 18, 2016 11:30 pm
Forum: Ammo & Parts
Topic: 3/4" or larger QEV without breaking the bank?
Replies: 4
Views: 1325

Re: 3/4" or larger QEV without breaking the bank?

Go the build,no reason they can't be piloted by a small QEV but :D
by rna_duelers
Fri Oct 07, 2016 7:04 am
Forum: General How-To & Discussion
Topic: Old Member,New Tricks?
Replies: 1
Views: 702

Old Member,New Tricks?

Hello there fellow spudders,I've been inactive for quite a while now on this forum and spudding in general but since acquiring myself a hundred odd acres of land I'm keen to get back into the hobby again!I've got myself two pneumatic launchers as current,one small caliber inline and an over under go...
by rna_duelers
Fri Oct 07, 2016 6:49 am
Forum: Combustion Cannons
Topic: Help with a combustion mortar please
Replies: 7
Views: 1494

Re: Help with a combustion mortar please

Risk of the lighter on a stem type of ignition failing from a back burn into the butane itself is next to impossible,no oxidizer air/oxygen etc for it to combust. Think of the situation inside the chamber as an example.Give it a try,and if your still having issues try the tried and tested touch hole...
by rna_duelers
Thu Oct 06, 2016 8:01 pm
Forum: Combustion Cannons
Topic: Displacement Fueling/Venting Concept
Replies: 6
Views: 1901

Re: Displacement Fueling/Venting Concept

A carbie Fueling system,like the idea it's worked well for so many years in other applications why not spudding. The chamber shape and placement of the intake would seem to have a big impact on performance,have you tried it with a non fluid shaped chamber? PVC pipe etc with voids/pockets of unburnt ...
by rna_duelers
Thu Oct 06, 2016 7:42 pm
Forum: Combustion Cannons
Topic: Help with a combustion mortar please
Replies: 7
Views: 1494

Re: Help with a combustion mortar please

Follow as jrrdw says with the fueling,usually less is more I've found though.The spark gaop of .020 should work but try a larger gap if possible gives greater area for a ignition.

Just experiment with it.
by rna_duelers
Sat Nov 30, 2013 6:30 am
Forum: Combustion Cannons
Topic: First Cannon In A Few Years
Replies: 5
Views: 1471

Re: First Cannon In A Few Years

Very informative.Thats going to be used well,thanks JSR
by rna_duelers
Fri Nov 29, 2013 10:03 am
Forum: General How-To & Discussion
Topic: "In the world of spuds today"
Replies: 2415
Views: 171842

Re: "In the world of spuds today"

I remember "rifling" a piece of HDPE tube back in the day with a dowel and nails,it well worked as expected as it wasn't very uniform or deep.Had large "hills" and "small" valleys probably not the best for soft projectiles,nothing to bite into. Many ways to skin a cat,or shape the inside of a tube.N...
by rna_duelers
Fri Nov 29, 2013 9:40 am
Forum: Combustion Cannons
Topic: First Cannon In A Few Years
Replies: 5
Views: 1471

Re: First Cannon In A Few Years

At the moment jack I'm using some alcohol body spray,alot of things are in limited supply or very expensive.I do have plans for pneumatics though as sending inert fittings by air is permitted but not volatile substances/fuels. This hobby never dies,just progresses mark.Pneumatics should be next on t...
by rna_duelers
Thu Nov 28, 2013 11:16 am
Forum: Combustion Cannons
Topic: First Cannon In A Few Years
Replies: 5
Views: 1471

First Cannon In A Few Years

Pretty much self explanatory, but it's been to long since I've been fired a spud gun so I did something about it.On a supply run I went to a Hardware store and picked up a few bits a pieces...It all came together so easily...like I'd done it all before. The mighty cannon features: Primer stains. 100...
by rna_duelers
Thu Nov 28, 2013 10:26 am
Forum: General How-To & Discussion
Topic: Getting Back in the Saddle
Replies: 17
Views: 2354

Re: Getting Back in the Saddle

I recently had a run in with spudguns again,well..I might have planned this run in but non the less it never looses it fun factor!An ol' spray 'n' pray that can bearly launch a spud 100 meters,but it's ignited that spudfire!

Pneumatics here I come!
by rna_duelers
Thu Nov 28, 2013 10:19 am
Forum: General How-To & Discussion
Topic: "In the world of spuds today"
Replies: 2415
Views: 171842

Re: "In the world of spuds today"

I've got a lot to catch up on,are smooth bores still all the go?
by rna_duelers
Thu Nov 28, 2013 10:14 am
Forum: BB, Airsoft, and Pellet Guns
Topic: SodaStream Tanks for Air Tanks
Replies: 9
Views: 1822

Re: SodaStream Tanks for Air Tanks

Now to Obtain a SodaStream Tank.
by rna_duelers
Sun Nov 11, 2012 8:28 am
Forum: Pneumatic Cannons
Topic: For Sale: Never-used SGTC Supah Valve-Plus/other SGTC parts
Replies: 13
Views: 1447

Shipping of pipe sections to Aus problems?