Board logo

Des Hammill 'Suspension and Brakes'
bobinspain - 11/1/12 at 03:50 PM

p16. 'Consider the range of positive castor angles to be between three and six degrees-----positive castor is always the requirement on a car, negative castor can be dangerous.'

p18 'WARNING! No car should be set with positive castor-----------.Every car should be checked to ensure that there is an amount of negative castor.'

Now am I missing something here? I must be.


Bought myself this book 'The Sports Car and Kit Car Suspension and Brakes High Performance Manual.' (Self betterment and all that).
Diametrically opposite statements. I think p16 is correct from other reading, but it's no comfort to find I'm 10 minutes into the book and I'm befuddled already.
Ho-humm. I knew there was a reason I'm non-techie.
Any comments (provided not too disparaging), gratefully received.

Bob.


MikeRJ - 11/1/12 at 04:04 PM

Positive castor is what you want, i.e. the upper steering pivot is located further to the rear than the lower one. It's a bit poor that howler wasn't caught by the proof readers.


blakep82 - 11/1/12 at 04:10 PM

one wasn't castor and the other camber was it?
seems a bit weird though. have to be honest, i've never really noticed the term positive or negative castor. only just castor... very strange


Mal - 11/1/12 at 05:19 PM

Just because it is written in a book does not mean that it is correct.


matt_gsxr - 11/1/12 at 05:42 PM

I bought that book and hoped it would tell me some interesting things.

It didn't. Lots of repetition and lost of bleeding obvious. I wouldn't recommend it.


bobinspain - 11/1/12 at 06:16 PM

quote:
Originally posted by Mal
Just because it is written in a book does not mean that it is correct.



I've read a lot of Christopher Hitchens, so got that one, but thanks for the tip.
Apropos of my first line, I was given to understand that this was 'the bible.'


billy - 11/1/12 at 08:34 PM

Ha ha old DEz lives not far from me, I've met him a lot and he drives around in a mini.he's no expert but dabbled in writing


bobinspain - 11/1/12 at 09:18 PM

quote:
Originally posted by billy
Ha ha old DEz lives not far from me, I've met him a lot and he drives around in a mini.he's no expert but dabbled in writing



Next time you meet him, please give him a 'genital cuff' from me.

Bob (12 quid lighter plus p&p).