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Building a gas tank

  • Thread starter Thread starter n1elkyfan
  • Start date Start date
TheCafeKid said:
Im thinking of attempting a cafe ducktail seat and pan from either steel or alu...will be my first attempt at something of this involvement, so i may need some info from ya whence i get the stuff together...
Click to expand...

If it is to be aluminum, get 1100 or 1300 series pure aluminum. It is dead soft and can be formed extensively before it work hardens too much and gets brittle. You can anneal it with an oxy/acetylene torch if you have one available, anybody who forms tanks with aluminum anneals several times through the forming process.

If it is to be steel, look for a deep draw steel if possible, they are specifically formulated and milled for use in stamping and forming processes and can be drawn amazingly before they work harden too much.

Mark
 
If you just want a different shape to your tank....just add sheet metal....bent formed or shaped....close to what you are looking to achieve....than use fibeglass to bond and seal everything together.

I am stretching my cruiser tank as we speek using this method... I ended up stretching it about 5 inches...I have even done it to my cafe tanks.

Heres some pics of the process that I am doing now with one of my cruisers:





 
bhppy101 said:
If you just want a different shape to your tank....just add sheet metal....bent formed or shaped....close to what you are looking to achieve....than use fibeglass to bond and seal everything together.

I am stretching my cruiser tank as we speek using this method... I ended up stretching it about 5 inches...I have even done it to my cafe tanks.

Heres some pics of the process that I am doing now with one of my cruisers:





Click to expand...

Whoa that's pretty cool man. I never even thought about doing that. Thanks for the tip I may use it sometime in the future
 
I did carbon fiber overlays on all my body work a couple years ago. Here is a picture of the tank before sanding and final clear coat.

-Zack
 
I have some pictures posted in the for sale forum and the performance forum of the whole bike if that's what you mean. I also have a lot of really high res pictures (3MB) that I can't post until I reduce the quality/size. Thanks, the job was pretty cool, and at one point my friend and I imploded the tank in the vacuum bag b/c stupidly I forgot to cut a vent into the inside of tank to allow atmospheric pressure in. It was pretty funny, then I blew it back up with compressed air and cleaned up the body work again, then re-covered it. It ended up with two layers in the end, so now its pretty indestructible with two layers of carbon over steel. It only looks light weight. My co-workers and friends got a lot of laughs out of the implosion incident since I'm an ME.

-Zack
 
spyug said:
As mentioned, glass tanks can be dangerous in accidents and in most jurisdictions are illegal for street use.
Click to expand...

What Spyug said-I remember a nasty accident that happened many years ago when a rider on a Norton fitted with a fiberglass tank T-boned a car at an intersection. The tank ruptured and a fire started. That one was fatal and if memory serves there were severe burns to the car occupant(s)? as well.

I looked all through Google and could find nothing on its legality in Ontario, Canada however. Maybe they're legal...?
 
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