My first build nearly complete

I just wanted to show my "rat" as it nears completion. I've run 2 gallons through it and it rides like I want it. although the seat needs to be changed out, my back aches with the full rigid setup, that will come as $$$ permits. I only need a few bolt ons and a new rear wheel complete with disc brake and it's on to bike #2
 

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What type of tank is that? It looks like a coolant overflow tank?

magrider, I have heard some use lead shot or sand others use tiny rubber beads
 
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What type of tank is that? It looks like a coolant overflow tank?

magrider, I have heard some use lead shot or sand others use tiny rubber beads

it's a Jax jr. dragster tank.
i'll try the tiny rubber beads, any idea where I can purchase them?
 
it's a Jax jr. dragster tank.
i'll try the tiny rubber beads, any idea where I can purchase them?
You'd be better off loading the handlebars with the smallest size split shot you can get in a sporting goods store, or even bulk BB's such as are used in air rifles.

It is the vibrating mass that absorbs the gross vibration transmitted from the engine. BB sized metal shot will add significant mass to the handlebar tube, each shot is free to vibrate against every other shot around it, and yet they do not pack down into a solid mass as sand can readily do. Rubber shot can be obtained at some sporting goods stores, but they just are not as effective.

I use the same principle for a floating bed for my scroll saw - it cut the saw's vibration by about 75-80%, using surplus Mardi Gras plastic beads in the box under the mounting plate.
 
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