The Inhaler - All-Electric 23 Model T Autocross/Drag Truck

[mrgm]

I do like where this is going

[toddshotrods]

Originally Posted by mrgm

I do like where this is going

Thanks mrgm!

[toddshotrods]

The steel frame mounts: 1" thick plate steel with a little CNC work, and sheet metal steel hemisphere caps TIG'd on. The plates end up being 0.500" minimum thickness, with 1" thick, drilled and tapped, bosses for the four 0.750" mounting bolts. The sheet metal caps, of course, finish the aesthetic; eliminate the need to do a blind, tapped, hole; and save a few precious ounces of weight. After some hand finishing work they should look like cast steel brackets.



My goal was to emphasize the mechanical connection of the big 13 to the chassis. Those steel domes should help pull people's attention down to the area, then the various gaps and radii will offer lots of light-play to bring out the details.

[toddshotrods]

Here's the driveshaft tunnel I mentioned. The point is to emphasize function; to show what's happening inside it, and to highlight the fact that the motor is directly driving the rear end - no gears needed. I will probably revisit the section where it switches from tube to tunnel, and give it a rolled, gradual, transition. The front, tube and boot, sections will both be two-piece parts, with hidden lower panels, to allow slipping them over the u-joint and shaft.

[mrgm]

what rear will you be running, and what ratio?

[toddshotrods]

Originally Posted by mrgm

what rear will you be running, and what ratio?

I am still looking and researching that. I want to keep the (GM G-body) triangulated four-link, so I've been looking at all the housings made for it. My favorite bolt-in right now is the Moser M9. Inside it (current thinking): WaveTrac, 35 spline axles, 3:1 ratio.


The (numerically) lower ratio with a series-wound DC motor creates a bigger load for the motor to overcome, and allows it to draw more current, which creates more torque - until something finally cries "uncle" and gives. These motors can handle 2000-3000 amps of current.