ChampCar Endurance Series

ChampCar Tech Desk

Official channel for ChampCar technical questions, interpretations, and VPI requests.

Before you submit a ticket

The Tech Desk is for rules clarifications and technical questions. It is not a post race tech line, a place to protest results, or a place to fish for how other teams built their cars.

Most questions can be answered by reviewing the current BCCR Rulebook. Please read the applicable section before submitting a ticket.

If your question is already covered clearly in the BCCR, your ticket may simply be answered with a reference to the rulebook section.

VPI request checklist

For all Vehicle Performance Index (VPI) requests you must include:

  • Year, make, model, and trim level
  • Engine size and engine horsepower
  • Drive type: FWD, RWD, AWD, or 4x4
  • Transmission type: automatic or manual
  • Car weight and all factory options that affect performance
  • A link to the vehicle on automobile-catalog.com or another site with full specifications if it is not listed there

Requests that do not include all required info and research will be denied without review.

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ChampCar ChampCar Tech Desk Knowledgebase Chassis & Roll Cage
2021-01-01 - Seat Mount Connection Points
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2021-01-01 - Seat Mount Connection Points

Q.
Looking to make sure I've interpreted the rules correctly. I've built my seat mount like several I've seen in ChampCar. It currently connects to the floor pan in 4 locations along the factory seat mounting surfaces (green arrows) and I would like to weld it to the remaining 2 factory seat mounting surfaces (red arrows). I wanted to make sure this wasn't considered too many seat sub-frame mounting locations as it's not really a sub-frame given there is no actual frame to connect to.
Seat Subframe Example

A.
You may weld in the location of your red arrows.

Keep in mind that seats tied to the body will not move with the cage in the event of a side impact.

 

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Article Details

Article ID:
176
Category:
Chassis & Roll Cage
Date added:
2021-01-02 04:16:24
Views:
811
Rating (Votes):
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