What you are describing is essentially the same as a bung or spigot, the design of which has long been used in sealing containers of liquid beverages.
You could take the simple route of buying collapsible 2 to 5 gallon water containers and inflating them.
Several table wines are available in boxes, the liners of which are easily recycled into use as flotation. I suggest you keep several handy at the launching of your new craft. Should you have any need of assistance in emptying such containers, send me an e-mail. I'm always happy to help kayak builders.
to your health!
Oh, chemical supply, and hospital supply firms have lots of designs for pinchcocks and hose clamps in metal and plastic. Certainly you can find some that will close your tubing easily and cheaply.
PGJ
Messages In This Thread
- Source for float bag fill valves
Shawn Baker -- 11/7/2000, 6:09 pm- Fantasy Meets Reality??? Here?? Then??
mike allen ---> -- 11/8/2000, 12:37 pm- [i]Theme from 'The Twilight Zone'[/i]
Shawn Baker -- 11/8/2000, 1:20 pm- Theme from 'The Twilight Zone
mike allen ---> -- 11/8/2000, 7:15 pm- Re: You're far too observant!
Shawn Baker -- 11/8/2000, 10:20 pm- closing the end on rolled, flat, tubing
Paul G. Jacobson -- 11/8/2000, 7:47 pm- plugs for fill tubes
Paul G. Jacobson -- 11/8/2000, 7:39 pm- Drilled plastic bolt
mike allen ---> -- 11/8/2000, 8:02 pm- anyone for a drink?
Paul G. Jacobson -- 11/9/2000, 2:45 pm- We're all buying!!
mike allen ---> -- 11/9/2000, 8:08 pm- Re: We're all buying!!
Shawn Baker -- 11/10/2000, 11:25 am- Pop tops to Pvc tubes
mike allen ---> -- 11/10/2000, 12:17 pm- Dooohhh!!!
mike allen ---> -- 11/14/2000, 11:28 am
- Dooohhh!!!
- Pop tops to Pvc tubes
- Re: We're all buying!!
- Re: Drilled plastic bolt
Shawn Baker -- 11/9/2000, 11:33 am- Filed plastic bolt
mike allen ---> -- 11/9/2000, 11:54 am
- We're all buying!!
- anyone for a drink?
- closing the end on rolled, flat, tubing
- Re: [i]Theme from 'The Twilight Zone'[/i]
Tony -- 11/8/2000, 6:24 pm- Re: [i]Theme from 'The Twilight Zone'[/i]
Shawn Baker -- 11/8/2000, 7:09 pm
- Re: You're far too observant!
- Theme from 'The Twilight Zone
- Re: Source for float bag fill valves
Matthew -- 11/7/2000, 11:48 pm- Re: Source for float bag fill valves
Paul G. Jacobson -- 11/7/2000, 10:04 pm- Re: Source for float bag fill valves
Rehd -- 11/7/2000, 11:17 pm
- [i]Theme from 'The Twilight Zone'[/i]
- Fantasy Meets Reality??? Here?? Then??