Crosman dual ram gun... what are the complexities of an opposed ram gun>?

Crosman dual ram gun... what are the complexities of an opposed ram gun>?

Joined: April 28th, 2010, 12:23 am

December 23rd, 2011, 1:01 am #1

I was thinking
A two distant sear engagement points.
B making the transfer port further back on the frame than where the 2 rams have their near collision.
C 2 different cocking levers, or 1 to make it super complex, but 2 would be fine by me.
Im sure there are 10 more, please share. tia
Quote
Like
Share

Joined: April 19th, 2005, 6:52 pm

December 23rd, 2011, 1:22 am #2

Crosman developing a dual rammed gun and you got the drop on it?
Spit it out, I won't say anything, I promise.

S.W.A.G. it!
Quote
Like
Share

Joined: April 28th, 2010, 12:23 am

December 23rd, 2011, 1:36 am #3

so its eeither a bullpup pcp, a dual ram , or an electronic prod is my best guess.
Quote
Like
Share

Joined: November 28th, 2002, 6:26 pm

December 23rd, 2011, 1:40 am #4

I was thinking
A two distant sear engagement points.
B making the transfer port further back on the frame than where the 2 rams have their near collision.
C 2 different cocking levers, or 1 to make it super complex, but 2 would be fine by me.
Im sure there are 10 more, please share. tia
In every dual-piston gun I know of, the two pistons are mechnically linked to force them to move in unison. This is true of both diverging piston (like the Dianas) and converging piston (JWs) designs.

So you can probably start with that pretty large complication. The good news is that at then least you need only one sear and one cocking linkage.

Small favors.

Steve
Last edited by pneuguy on December 23rd, 2011, 1:41 am, edited 1 time in total.
Quote
Like
Share

Joined: April 28th, 2010, 12:23 am

December 23rd, 2011, 2:01 am #5

once you have the 2 opposing pistons within 1mm of each other, then u start securing the rear end of them. knowing that 1 mm is the buffer space.. the the initial tp is drilled in the comp tube right above this and ideally run right into the barrrel.both triggers can be fired at same time with simple connecting rods and a pivot rack pinion type linkage.. as for the cocking , i havent come up with a mind visual for how they would both cock off one lever/
Last edited by robnewyork on December 23rd, 2011, 2:13 am, edited 1 time in total.
Quote
Like
Share

Joined: November 28th, 2002, 6:26 pm

December 23rd, 2011, 2:26 am #6

...then the opposing pistons, even if released at the same instant, will experience different driving forces, accelerate at different rates, travel at different speeds, and therefore can be expected to come together at a spot where (regrettably) the transfer port isn't.

That is, unless they're mechanically coupled.

Steve
Last edited by pneuguy on December 23rd, 2011, 2:27 am, edited 1 time in total.
Quote
Like
Share

Joined: April 28th, 2010, 12:23 am

December 23rd, 2011, 2:39 am #7

Ok good point , well taken , the damb gun might barely fire in this case, How do we make the 2 pistons codependent withought having em facing the same dirrection>??tia
Quote
Like
Share

Joined: November 28th, 2002, 6:26 pm

December 23rd, 2011, 2:53 am #8



Steve
Last edited by pneuguy on December 23rd, 2011, 2:57 am, edited 1 time in total.
Quote
Like
Share

Joined: April 19th, 2005, 6:52 pm

December 23rd, 2011, 3:34 am #9

go dance and sing in the rain, you just might
get an epiphany. Couldn't hurt right?


S.W.A.G. it!
Quote
Like
Share

Joined: April 28th, 2010, 12:23 am

December 23rd, 2011, 3:38 am #10

im gonna go change a lightbulb over my toilet like what steve did for the gtx trigger.nt
Quote
Like
Share