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Thread: 2021 Caterham CSR "CatKong"

  1. #31
    Join Date
    Feb 2009
    Location
    NYC
    Posts
    5,261

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    Catzilla is already the name of a very fast R500 in PNW area. Could not use it again!
    Mike
    2021 Caterham CSR "CatKong"
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic


  2. #32
    Join Date
    Jan 2006
    Location
    Seattle-ish
    Posts
    1,533

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    Ok, so it can't be Catzilla, but between CatKong and Croczilla? I think Kitcat has a point...

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    -John
    '95 Westfield SEiW w/2.0L Duratec
    '68 Lotus Elan FHC
    '91 Miata w/Flyin Miata suspension & brakes
    '95 Porsche 993 C2
    '86 Porsche 944 turbo (neglected project car)
    Throttle Steer

  3. #33
    Join Date
    Jul 2013
    Posts
    529

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    I like that "Croc-zilla" tag. But,

    "Have not got that far yet. Its yet to be assembled, put together and run. Lots of stuff left to happen. That's last thing after the 3M film."

    Appearance before saving your cranium? Recent posts have shown how invaluable your knowledge is about Cats. It would be a shame to lose it. Track only car = cage.

    The main I reason I have not fallen into the track day addiction is cars (not only just mine) with-out a proper cage. Having been wrong side up a few times, one surely fatal without a robust cage, I just won't do it. Unbelievable things can happen. There was a photo some time back of a tin-top about 6 rows up in the bleachers (looked like Sonoma to me). Fortunately an SCCA event so no spectators.

    I'm just saying, apparently some of these folks love you.

    MHO.

  4. #34
    Join Date
    Oct 2006
    Location
    Cincinnati
    Posts
    3,798

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    I think the F1 rollover bar that Caterham supplies provides decent roll over protection, esp if 6 point belts are combined with a decent seat and if arm restraints are (properly) used. Ditto front and rear crashes as there is a decent crumple zone (occupied by the gas tank in the rear, but Fuel Safe has a fix for that). I have seen photos of Caterham crashes that were injury free, even when the car rolled.

    My greater concern is a side impact, where the only thing protecting the driver from a T-bone collision is his left elbow. This can occur when the driver spins out and ends up side ways in the middle of the track, and when another driver goes off into the grass and careens back on, out of control, at a right angle to traffic. Just watch the highlights of the Nurburgring for lots of examples.

    The Caterham issue roll cage is inadequate, IMHO, as it sits flush with the side of the car: the driver's arm is still sticking out, and there is only 1-2" of space separating the driver's body and roll cage, so no real crumple zone. The custom racing cage on my Caterham sticks out maybe 8-10" from the driver's body, so lots of room for it to deform, without hitting the driver.

    I know a cage spoils the car's aesthetics and no one wants to start hacking away in a pristine new body. Further, the weather gear becomes useless. But my cage bolts in and out in about 30-60', so it could be removed for street use. So, theoretically, it is possible to have it both ways.

    Just further food for thought for Croc's supercomputer-like brain to process....
    Last edited by Kitcat; 11-15-2020 at 12:33 PM.
    Kitcat:AKA, Sir Spinsalot
    '97 Caterham Super Sprint, 1700 Crossflow-sold
    '09 Birkin S3, Duratec-sold
    '03 Caterham Zetec track car
    '19 Honda Type R, sold
    '19 Miata Clubsport

  5. #35
    Join Date
    Feb 2009
    Location
    NYC
    Posts
    5,261

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    Quote Originally Posted by Kitcat View Post
    My greater concern is a side impact...
    The Caterham issue roll cage is inadequate....
    I don't want to turn my build thread into a safety discussion or an analysis of my ability to assess risks. I have had my share of serious impacts and roll overs and I have taken many lessons from that. In 10,000+ track miles in various Caterhams and a Lotus 7 over 35 years, I have only come close to rolling a seven once - last year. Rollovers are fairly rare in the seven world. Mike has pinpointed why I paused on the automatic cage decision that many people automatically made. I am not a fan of the Caterham cage. I do not think it is much if at all better than the standard roll bar with diagonals. I have seen what happens to both of them in roll overs in UK Caterham racing competition. The real danger point in these cars that Mike rightly points out is side impact and a cage does not solve that. I am exploring options around that idea but it is not ready for prime time and I don't share until I am ready to. Otherwise, I would have been sharing this build thread back in 2018 instead of only sharing it in October 2020.

    By the way, a Caterham is not the riskiest car I drive...
    Mike
    2021 Caterham CSR "CatKong"
    2010 Caterham CSR with Cosworth 2.3 Duratec
    2018 Caterham 420R with 2L Duratec 210hp at Donington UK
    1975 BMW CSL Group 4 (restoration finished - track set up time)
    1977 Holden Torana "A9X" (awaiting restoration)
    1985 Holden Commodore SS Group A (suspension restoration)
    1985 Holden Commodore Group A (suspension set up)
    1982 Ferrari 400i (radiator replacement)
    1965 Ford Mustang Fastback "Holman Moody"
    1992 Ford Escort RS Cosworth WRC (dyno time)
    1990 Range Rover 2 door Classic


  6. #36
    Join Date
    Aug 2006
    Location
    Houston, Tx
    Posts
    368

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    Track day is an individual choice. Risk factor is also an individual choice.

  7. #37
    Join Date
    Jan 2018
    Location
    Birmingham, Alabama
    Posts
    57

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    Amazing kit, congrats!

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