Jumbo Magnum www.myaircannons.com <ul><li>Start with the assembly pieces. </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Drill a 1/8” pilot hole in the centre of the end cap. </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Insert the tire valve </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 3” end cap onto the 24” x 3” air chamber. </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue 3” connector onto 3” x 24” pipe as shown.  </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 1”x 3” bushing into the 3” connector.  This finishes the air ...
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 2 1/2” x 1” PVC pipe into the bushing  </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 90º elbow onto the short pipe sticking out of the air chamber...
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue a 2” x 1” pipe into the elbow  </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Since this 90º elbow determines the alignment of the barrel to the firing chambe...
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue rotary bolt onto pipe from other valve.  </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 24” x 1” main first barrel into rotary bolt. </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Cut a 1” T in half length wise.  </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Prime, glue and clamp the modified T to underside of the barrel. </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Prime both bottom of T and barrel where the T touches.  </li></ul><ul><li>Glue a...
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue 1” to 1 ¼” adapter bushing onto the end of 1” barrel. </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue 1 ¼” connector onto adaptor.  </li></ul>
Jumbo Magnum www.myaircannons.com <ul><li>These plans are not complete. </li></ul><ul><li>Please go to  www.myaircannons.c...
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Jumbo Magnum Marshmallow Gun Assembly

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FAST AND POWERFUL best describes this cannon, with fun as the watch word.

With its massive oversized firing chamber, to its stepped high velocity barrel, there is no way to send a marshmallow further unless you drove it there yourself.

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Jumbo Magnum Marshmallow Gun Assembly

  1. 1. Jumbo Magnum www.myaircannons.com <ul><li>Start with the assembly pieces. </li></ul>
  2. 2. Jumbo Magnum www.myaircannons.com <ul><li>Drill a 1/8” pilot hole in the centre of the end cap. </li></ul>
  3. 3. Jumbo Magnum www.myaircannons.com <ul><li>Insert the tire valve </li></ul>
  4. 4. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 3” end cap onto the 24” x 3” air chamber. </li></ul>
  5. 5. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue 3” connector onto 3” x 24” pipe as shown. </li></ul>
  6. 6. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 1”x 3” bushing into the 3” connector. This finishes the air or firing chamber. </li></ul>
  7. 7. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 2 1/2” x 1” PVC pipe into the bushing </li></ul>
  8. 8. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 90º elbow onto the short pipe sticking out of the air chamber. </li></ul>
  9. 9. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue a 2” x 1” pipe into the elbow </li></ul>
  10. 10. Jumbo Magnum www.myaircannons.com <ul><li>Since this 90º elbow determines the alignment of the barrel to the firing chamber, be careful to prime and glue the non barrel side of the 90º and place into the short pipe that is already glued into the firing chamber. </li></ul>
  11. 11. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue rotary bolt onto pipe from other valve. </li></ul>
  12. 12. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue the 24” x 1” main first barrel into rotary bolt. </li></ul>
  13. 13. Jumbo Magnum www.myaircannons.com <ul><li>Cut a 1” T in half length wise. </li></ul>
  14. 14. Jumbo Magnum www.myaircannons.com <ul><li>Prime, glue and clamp the modified T to underside of the barrel. </li></ul>
  15. 15. Jumbo Magnum www.myaircannons.com <ul><li>Prime both bottom of T and barrel where the T touches. </li></ul><ul><li>Glue and lightly clamp. </li></ul><ul><li>Please leave for a minimum of 12 hours for glue to cure. </li></ul><ul><li>24 hours is better </li></ul>
  16. 16. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue 1” to 1 ¼” adapter bushing onto the end of 1” barrel. </li></ul>
  17. 17. Jumbo Magnum www.myaircannons.com <ul><li>Prime and glue 1 ¼” connector onto adaptor. </li></ul>
  18. 18. Jumbo Magnum www.myaircannons.com <ul><li>These plans are not complete. </li></ul><ul><li>Please go to www.myaircannons.com for complete instructions. </li></ul>

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