28 posts • joined Wednesday 16th June 2010 15:06 GMT
Has the guy in the photo just nodded off?
Re: Not really a ‘car’, is it?
"Got any evidence to back up that claim about STEM subjects?"
"Nearly 4,000 schools have registered in the first 18 months of the project"
Re: Not really a ‘car’, is it?
"Am I the only demiGeek out there who thinks this is a pointless waste of effort?"
Seriously though, their education program and the number of children they are inspiring to study STEM subjects is not insignificant and makes the whole endeavour significantly more worthwhile than it might otherwise be.
Re: Not entirely true
For me Virgin Media's contention ratio (at least in my area) means they win hands-down over ADSL. This alone is worth putting up with all their other issues for. I think this is sometimes overlooked when comparing headlines bit-rates.
Re: Just one more reason
Trusting insurance companies more than banks - now that IS brave :-)
Sssh! Don't mention F1.
Re: I can imagine this exchange:
Siri: "Sorry *Dave*, I can only select TV Stations in the USA"
"it's not like you must use unity and even if you did it can't be that bad"
Aha! So you haven't used it then?!
That's sooo lazy having a fractional measurement when you get to pick your own units. They should have picked a bridge that gave them an integer number e.g. 2 Forth Rail Bridges would have been much nicer.
Step up to Red Alert!
Sir, are you absolutely sure? It does mean changing the bulb.
"If you didn't have 'The Phantom Menace' in there I might think you'd misunderstood the question."
No, I just have weird ideas of what makes a good film I guess! Those are all movies I had to stop watching after 20 mins (with the exception of Secret of My Success for nostalgic reasons!). I have enjoyed far worse films - "Brother Where Art Thou" and "Withnail and I" are two of my faves for instance :-)
Re: titanium rod mount
Also, have you considered the relative thermal contraction rates of aluminium and titanium? Depending on how you attach the two this could have some effect on the integrity of the joint.
Also, making the Teflon inserts of a considerably larger diameter than the titanium rod will reduce the resistance between the two (smaller surface area in contact).
Direct drive is the way to go
Separate motors directly attached to individual wheels is absolutely the way to go for max power, control and efficiency. It makes the control electronics a minor nightmare but the simplicity (or lack) of the drive train is a huge bonus and the torque levels you can achieve at the wheels is mind-boggling. Can't understand why more manufacturers don't do it (probably because they're converting petrol/diesel shells to electric/hybrid rather than designing from scratch). The only question is why they've stopped at 3 motors and have to share power to rear wheels from single unit - can't be a question of cost surely?!.
Electric & hybrid cars take more energy to manufacture too
Don't forget that electric and hybrid cars take more energy to manufacture than their internal combustion engined equivalents too, mostly due to the exotic battery technology required to give them any sort of range.
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