Instructables

Step 8: Loading and Firing

WooHoo! This is the fun part. Firing is the fun part to be exact.

1: Make these two bits
2: Another view of that one
3: Put them together like so
4: Your fuzzy Cannon. Pull the bottom two strings of elastics back and latch them on the back.
5: What that looks like
6: Pull the upper two back and hook them on the top
7: Same as the other ones
8: Slide that ammo down the barrel. Pull the trigger, so that the rod moves out of the way
9: Push the red connector into the vacated spot, and let go of the trigger. If all goes well, the rod will go through the hole in the red. Be sure it does before proceeding.
10: Take the elastics off of the back and put them on the ammo like so
11: Loaded Cannon!

Booyah! Now all you do is fire. You do that by pulling the trigger...
 
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zach2420043 years ago
Use super glue or hot glue
TigerNod4 years ago
I'm having a bit of troubleshooting. With 2x 4 tied 62's, the barrel will break in half. This is not supposed to happen, since you use even twice as many bands.
I_am_Canadian (author)  TigerNod4 years ago
How do you mean the barrel breaks? Rails come off? Snaps in half?

Make sure you are using 64's, and stretch them out real well.
Sorry for my late reply. The top rail breaks off, the bottom rail breaks off, the trigger assembly is propelled towards the bow. I fixed it now by adding a huge amount of supports to the bottom and sides, but still I do wonder if this is normal.

I did use 64's for sure. Not 62's.
mikypower3 years ago
i made it!!
I_am_Canadian (author)  mikypower3 years ago
Rock on! Thanks!
shieldsam4 years ago
i saw how the trigger works - cool
hedzup4564 years ago
i have really thin plyboard walls......shot at wall, now i have to pay for a new one.......but great gun (PS i suggested making the kithen and dining room (the dineing room = my test room)open plan.....after the.........accident..........)
vlerky4 years ago
i love this cannon!! only the trigger broke so i duck-taped it. any stronger ammo, it explode every time i load anyway, thanks!
I_am_Canadian (author)  vlerky4 years ago
Alspolde when you load it or when it hits an object?
load
Tug9994 years ago
is there any way to make the bullet stronger so it can withstand the power of this beast of a gun?
I_am_Canadian (author)  Tug9994 years ago
Sure, just beef it up a little. It'll sacrifice range though.
just built the hand held cannon and i love it!!! i designed a larger, more powerful bullet for the gun and im working on a "shot gun" round for better accuracy. also for better accuracy, i built an atachable scope that looks dece on the gun. the only thing i dont like about the gun is the piece count, i had to destroy 4 of my knex guns to make it and only just reached the amount for the gun. i give this gun a 4.5 out of 5. keep up the great work kid!!!
I_am_Canadian (author)  lphillips0944 years ago
Thanks! I'd love to see any and all photos of your version!
i made some other attachable parts for your gun such as a bi pod, a stock, and a mono pod on the handle also i have built many new rounds that work differently i will try to post them all this week
ducknuts4 years ago
i built this and it kicks butt!!!! I got mine with 8 strings of rubber bands to shoot 283 feet 11 inches!!!!! and trust me it took a long time to measure that. I also built the v3 nano. I gotta feeling that i screwed up though because i only got 16 feet 5 inches with that thing. anyway this rocks, u rock and your knex skills are da bomb!!!!!!!! and so r u. Peace out!!
-Alan otherwise known as ducknuts lolz :-)
(P.S.) I realize that i dont capitalize at the beginning of sentences but who cares!
poilsoup24 years ago
NICE!!!!! i set up one of those mancalla things and shot at it and it knocked it over. havnt tried shooting anything else yet.
cecool4 years ago
I decided I would start off making the smallest one, to test it out,
it's power was... BAD
it's range was ... BAD
it's accuracy was... average to good xD

I've used double rubberband, as the single ones were just, worthless. I had to pull quite hard to load it, tough still it went about... uhm 25feet sais my converter(yes I'm european)

Rated this 2/5 because the trigger was really nice, and the system was tought out well, i guess it's range and power sucks because of it's size, imo it's not worth building.

Going on a vacation now, so maybe I will build the v1(everybody says it's awesome).

thanks for posting anyways

I_am_Canadian (author)  cecool4 years ago
Power and range are really the same thing...

Sorry this didn't work out for you. I'm sure you must have done something wrong however, because this gun got over double what your getting with no trouble... Are you convinced you are using proper elastics?
I'm adding more rubberband, but I'm leaving in 4hours to the airport, altough adding more will be quite difficult
TheChemiker4 years ago
I built the mini v2.  AWSOME!  Now i am going to build this in metallic colors!
I_am_Canadian (author)  TheChemiker4 years ago
Go for it! If you upload a photo of it metallics I'll add it to the ible!
OMG my bullet hit the wall and exploded lol
The same thing happened to me.
lol wen i say it exploded, my pieces exploded meaning snapped so now i have a dormented purple 3D connector and red corner connector XD
I_am_Canadian (author)  knex obsessed5 years ago
...
NIIIIIIIIIIIIIIIIIIIIIIIIICCCCCCCCCCCCCCCCCEEEEEEEEEEEEE!!!
the trigger mec is clever
Thank you.