Oh, I only just found this one.
When it comes to full size LSR cars, one builder really stands out to me. Jack Costella:
Jack Costella's Official Website
His Nebulous Theorem cars are all surprisingly small, low, and narrow. And Fast! His cars have over a hundred records, including setting a record over 350mph with a 1.5L engine. If you want an example to follow, this is the guy.
Quote:
Originally Posted by LibertyMKiii
Some technical details for reference:
The weight is around 12-15 lbs. Width will be around 11" and length will be a fairly good size estimated around 30"
The tires / wheels are 4.15" and ill likely shave them down to 4" So I can estimate the total height being around 4.5"
the nets:
Frontal_area_m_2 0.03193542
Drag_N 34.49627467571459
Max power 330 amps at 34V
Electric motor power 11,000 - 15,000 watts
Thanks for any feedback / input you can provide.
This topic tends to be exciting for engineers since you can create the ideal package given there is no driver who needs visibility. (inside the car)
-Liberty
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So... why 11" wide? Ditch the suspension and cut that in half. Figure out the largest component that you MUST design around, and fit everything else within the profile of that component. The width of Jack's cars are often determined by the width of the driver's shoulders. If he could ditch the driver, I'm sure they would be smaller.
Weight doesn't hurt you as much in LSR. Do you understand the dynamics of Cg vs Cp? Stability is strongly dependent on the Cg being forward in the car and the Cp (Center of Pressure) is more towards the rear. Adding weight to the front of the car adds to stability without adding drag like a wing would. Length also adds stability without adding much drag.