Project Lexus SC300 Road Racer: Part 5 – Placement Makes Perfect

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Measure twice, cut once again. Here the battery was traced in place and cross marks were located where the fasteners for the mount would be placed.
I said that the area was fairly flat, didn’t I? Nothing a hammer and some patience can’t fix. After all, what good race car hasn’t had a hammer taken to it at some point, right?
Sometimes you end up not just fabricating the thing you want, but the tool you will use to… fabricate… the thing.

Here we made a super slick custom tool. OK, I lied. We found something laying around the shop that would work as a tool. The “thing” that the wire goes through is a mounting tab. This will be located underneath the floor of the car and riveted in place. The hole that was marked on the floor in the other photo is where the bolt will go through into the nut on this tab. In this way, the battery mount will be attached to the floor. Because the tab is being placed underneath the floor, in the event of a rollover the forces exerted on the battery and thus through the mount will be more evenly distributed to the floor. If this was just a bolt and a small nut underneath it is highly likely that the nut would rip through the thin floor metal and the battery would become a projectile in the cabin. As my wife likes to say, that would be “no bueno.”

 

Here you can see the purpose of the wire. By pulling the wire up through the hole the tab can be located against the floor and, with some patience, the rivets can be installed.
Mounting points? Created. Now what?
Now for more measuring. Are you sensing a theme? Tom is deep in three-dimensional thought, trying to figure out how to machine and bend a bracket that will nestle down into the crevices of the XS Power S925 battery.

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