Dutton Kit Cars and their owners
steamy windows !!
No, nothing like that I can assure you :-) Due to some inconsiderate tw*t hitting my Saab putting it in the garage at my expense, I've had to press the Sierra back into service. Luckily I had not got to far into doing the swap over, so a simple job to recommission. Decided for the first time to use the heater, now the Sierra is not entirely water tight, so after 15 minutes steam started to be blown out the vents. This condensed on the glass and no amount of wiping etc. would clear it. Thinking the heater was naff I thought another job while its stripped out. A quick nosey and it appears the housing was full of leaves which were wet. Cleaned it all out and still I have steamy windows. Driving with the windows open soon clears it but it is fun to see the damp air being thrown out the vents. Heater is not leaking just never used in 12 years, hopefully it will dry out a bit each trip. Or I'll just turn the thing off.
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Comment by Steve Kerswell on January 4, 2016 at 20:04
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Seeing I'm no longer full time I may look at a cheap helmet to see my days out. A new part for this Speedglas is dearer then two helmets !
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Comment by Brian (up north) Morris on January 4, 2016 at 19:57
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oops. so how does that differ to my screen.....it was about £60. just curious.
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The one I have here is about £350 to replace, just seeing if they do spare parts :-(
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how much is the screen steve..?
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Had an e mail telling me my final weld tickets are about to expire, send £1500 and we'll get you sorted. This afternoon, my trusty speed screen went pop! Just died, like it knew something. Now things happen in threes, I'm afraid to close my eyes :-)) So saving for a new screen, but don't tell the wife.
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Comment by James Doulton on January 3, 2016 at 23:23
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Sorry for stealing your thread, Steve.
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My spreadsheet doesn't cope with autos, not yet. Assuming that you don't have an auto, then I reckon that you'll spin both wheels all the way in first to about 50mph. Provisional 0-60 time 4.5 seconds, maybe less. I'd need to know more about your car: What wheels and tyres? How many horsepower at what revs? how heavy is the engine and gearbox?
I think you might be better off with some bigger rear wheels, say 22" so that you get a 28" tyre diameter then you'd get to 60 a bit faster (in first) and have a top speed of over 150mph. (If your chassis doesn't buckle)
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Have you got an auto? if so, does it have a torque converter in there too?
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In first gear, with a 3:1 first gear ratio, that'd be about 900 lbft on the propshaft. With a 4ft wide axle then one wheel (offside) would 225lb lighter than when stationary so most of the weight would be on the other wheel (nearside). Similarly at the front, except that they will be the other way around. But that lightly loaded rear wheel would just spin, and the actual torque would be much less. The equilibrium point is at around 300lbft on the propshaft, anymore than this just spins the offside rear wheel, unless you have an LSD of course. My Legerra chassis survives that 300lbft on the propshaft so I don't think the chassis is in as much danger as one might suppose. The real risk is the engine over revving without you noticing due to all of the tyre smoke. I should ensure that you have a rev-limiter fitted before you stamp on the loud pedal.
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275 lbft would be more than adequate. Probably still spin the wheels at 60mph.
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