Nickp
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 posted on 5/11/14 at 08:02 PM |
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Pricey and a bit tubby....
Should be nippy though
http://www.carthrottle.com/the-440bhp-sr8-rsx-is-the-maddest-radical-yet/
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Ugg10
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| posted on 5/11/14 at 08:24 PM |
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Think I would prefer a 550kg Spire with a 280hp hyabusa turbo, same bhp/Ton and pocket the spare £100k, that is a lot of petrol, brake pads, track
days and tuition.
---------------------------------------------------------------
1968 Ford Anglia 105e, 1.7 Zetec SE, Mk2 Escort Workd Cup front end, 5 link rear
Build Blog - http://Anglia1968.weebly.com
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Nickp
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| posted on 5/11/14 at 08:32 PM |
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And 40hrs track time between rebuilds!!  Bet they're cheap, NOT!!
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mark chandler
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| posted on 5/11/14 at 08:39 PM |
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40 hours, it's not even that highly stressed @ 480bhp and 280lbs of torque, most decent 1000cc bikes make better figures per cc and last for
75,000 miles on basic services.
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Ugg10
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| posted on 5/11/14 at 09:16 PM |
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Is that engine two overbored hyabusa block/heads on a single crank? I remember one of the first of this type being two yamaha exups on a single crank,
chosen as they were laid over at an angle in the bike.
---------------------------------------------------------------
1968 Ford Anglia 105e, 1.7 Zetec SE, Mk2 Escort Workd Cup front end, 5 link rear
Build Blog - http://Anglia1968.weebly.com
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daniel mason
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| posted on 5/11/14 at 09:29 PM |
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That's a complete weapon!
Not aimed at the novice track day driver I don't think! But pricey
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daniel mason
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| posted on 5/11/14 at 09:33 PM |
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And the 40 hours is warranty! I'm not sure many race manufacturers offer more than a 40 hours warrenty. Although a rebuild will not be cheap. It
will be a lot cheaper than a new motor
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Minicooper
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| posted on 5/11/14 at 09:45 PM |
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quote:
Originally posted by mark chandler
40 hours, it's not even that highly stressed @ 480bhp and 280lbs of torque, most decent 1000cc bikes make better figures per cc and last for
75,000 miles on basic services.
Not at maximun revs they won't
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adithorp
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| posted on 5/11/14 at 09:58 PM |
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I think Radical do go a bit overboard on "parts lifing". This is from the SR3 manual...
"Component 'lifing'
This chart gives the recommended life expectancy of components
under 'normal, on-track racing conditions'. If some of your racing time
is done 'off-track' or you hit kerbs, pot holes or other cars - hard, then
you will need to consider reducing the timescales recommended. On
the other hand, more 'gentle' trackday use will obviously extend the
recommended time!
Engine/Gearbox 1340cc 40hrs Rebuild
Engine/Gearbox 1500cc 30hrs Rebuild
Gear Drive Unit 50hrs Inspect/rebuild
Suspension Bushes 30hrs Replace
Suspension Rose Joint 30hrs Replace
Front Upright (including Hub) 50hrs Replace
Front Wishbones 60hrs Inspect/replacehrs
Rear Upright (including Hub) 50hrs Replace
Rear Wishbone 60hrs Inspect/replace
Drive Shafts 30hrs Replace
Calipers 60hrs Rebuild
Brake Discs 10hrs Inspect/replace
Shock Absorbers 60hrs Rebuild
Steering Rack 50hrs Inspect/rebuild
Brake Master Cylinder 60hrs Inspect/replace
Wing Support Stays 60hrs Inspect/replace
"A witty saying proves nothing" Voltaire
http://jpsc.org.uk/forum/
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Ivan
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| posted on 6/11/14 at 08:38 AM |
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Assuming 1.5 minutes per lap that's 1600 laps between rebuilds so at say 50 laps per track day that's 32 track days between re-builds so
maybe not that bad as far as bangs per buck but still a very rich man's toy.
I agree with Ugg10 - there are better and maybe not much slower options, and also the risk of spending 100 000+ and still being beaten by a
"kit" car that has cost 1/5 as much to buy complete. I guess the feeling some owners of catering vans must occasionally experience at the
hands of some kit cars at some track days.
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