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there's a reason trees are round, and it's not luck: circles are the most efficient use of material for strength, by weight, if the material will come under load from many directions. the strength of a beam is governed by the material properties, and the cross-sectional shape of the material...

anodising is a process performed on aluminium. it involves dropping an alum component in a solution-bath (dyed the colour of your choice) with an electric current run through the bath with the component as the anode (hence - anodising). it's actually accelerated oxidation in reality and if you...

is the intercooler an air-to-air unit that isn't obeying the laws of newtonian physics, or some kinda refridgerant-dealy?

everyone on this board is a mono-cock (unless some of you are serpents, which are lucky enough to have two), but i believe the single-structure chassis type of which you are referring is "monocoque".

you'll need to get the conversion signed off by a VASS certified signatory. there are limits for capacity/weight, but they tend to be generous in the extreme. you could put a big block in a pedal car (almost...) basically, the VASS guy will probably make you put all the pollution stuff...

i can't see why any of it should be a problem. i believe (don't quote me though) that to get the mixers (converters) to work you need to equalise the pressure with the intake charge or the diaphragm won't open under intake vacuum, because there wouldn't BE a vacuum! so you need to run a line...

depending on what plastic you're using, you could do a variation on vacuum forming - gravity forming! if you touch the surface of the plastic at all while it's hot enough to shape, you'll mark the surface and you won't be able to get it out. and it will send your light beam all over the...

wow... you managed that in an inspirationally short period of time! well done! that car must be awesome... how are you going for registration? is it difficult in NZ to register such a beast? engineers certificate, or similar?

man that is cool... good work. i'll be keen to hear how she runs down the strip. my mum's got a stock 97 MX-5, in which the best i've done (using a G-meter on a quiet road, don't tell anyone!) is 15.3 at 153km/h... reckon you'll dip into 13's? or not enough rubber on the back?

even so... every time i've heard of blow through set-ups, all i've heard is that they were a pain in the arse...

i was going to mention inconel... from what i've heard that's what the F1 guys use, with a wall thickness of 0.5mm!!

um... huh? what do you think heat is? it's ENERGY! the more energy that passes into the hot side of the turbo, the more energy is present to spin the thing...

seriously, while the idea has merit, carrying highly compressed gas in a car is a bad idea. i wish i could find the photo to show you, but i've got one somewhere on this computer of a work ute, where the guy put a couple of welding bottles into the tray. one of them fell over in transit, knocked...

welding cast steel is a bitch, depending on the material. possible with an O/A setup, a pain in the arse with a MIG, especially if you don't know what you're doing, like me. the advantage of cast tubing over normal mandrel or crush bent stuff is that the cast material will generally have a...

are you sure you want to use a 1UZ in a bike? a 90 degree hemi V8 with twin overhead cams on each bank makes for a WIIIIDE engine mate!