The 38 in by 38 in by 3.94 in dimensions in this drawing represent the cargo inside of the bag. You can see that there is 1 inch clearance on...

Please read more about this interesting project. Many thanks to Scott Brill, Walsh Construction Engineer, for comming up with a lot of the...

There is a marvelous solvent that is called THF. It is the major component in PVC pipe cement. This solvent will melt PVC and Urethane. You can use...

Hatch Expeditions in the Grand Canyon After 20 years I stopped asking Hatch exp if they were still running the original bags that we made for...

So when the flow hit 1800 yesterday I decided today would be a good day to skip work and go boating. My paddling partner Jeff agreed and we left...

This is a 12 inch diameter tube that intersects at a 90 degree angle to form a rectangle. This concept is used for many different applications...
