The top line of the tank i would want to keep as close to the stock tank as possible. The base point about 2-3" lower covering just a bit more of the open space below the stock tank. It would come out about 2" wider on the side at the point, but be low enough at the side points so the hand bars would clear as well as match up with a stock seat. The gas cap would be moved back about 3" than stock for easy fueling.
The tank would be air tight of course, but I will have to look at the cost for pouring in the inside sealer. It will also take some time to rig up the electrical connections and fuel fittings in the tunnel of the tank so it just bolts/hooks up. This is just in the design/pricing stage, but as you read you see I'm looking at all peramiters on this... This biggest vary is how much this tank is going to cost for it to be right, what retail price can be charged to show enough profit versus a retail price that is affordable which all comes to how many could be sold.
The first finished prototype alone will cost about $900-$1000 by my estimate. The trick is to do a design that can have pieces water jetted and assembled at a production level. If only 5 or 6 want it then the price will stay around $800-$900. The more people set a demand for it the price could drop down to the $500-$600 range.
