Oh go on, get him prattling about the Prius' CVT and how it hasn't got one even though the gearing between engine and wheel speed is not fixed and continuously variable ;-)
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12 years ago
Russian Revolutionary Hybrid car
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12 years ago
Yes, sorry dribble, he forgot your mathematical problem. Most folks who commute need to come home again at the end of the day - else it would not be commuting - more like going and staying.
So if you can go a total of 4 miles you need to divide that by two to work out the maximum commute. If you will pardon some tricky sums: 4 / 2 = 2 (don't worry if you don't understand the math - just take it from us, we won't be asking questions later)
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12 years ago
Probably best to avoid hills... or passengers... or putting stuff in the boot... or towing anything... as well
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12 years ago
The Prius has no "in-line" CVT. IT is parallel between electric motor and the engine. If you can't figure this out then just accept it - it is easier that way fro for.
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12 years ago
This Yo-Mobile engine not like any other engine you have known, it is a "rotary vane engine". It is also tuned to turn a genny.
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12 years ago
That is good. You do need to have fun.
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12 years ago
Despite the claims, it is not a new concept, merely a new version of an old idea. A major problem in the past has always been vibration, due to the variable rotational speed of the vanes.
Colin Bignell
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12 years ago
The point is that it is very different to current engines, yet you are prattling about current tripe.
It appears the Ruskies have got around that - clever people.
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12 years ago
Au contraire, pet. An internal combustion engine driving a generator at low load is desperately inefficient. If you'd half a brain cell you'd know why.
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12 years ago
Maximum BMEP, which is usually close to peak torque.
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12 years ago
BHP, you mean.
And peak BHP hardly ever coincides with peak torque. And it's at peak torque that you get the best acceleration.
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12 years ago
I'm not going to even try and follow that - just be assured that maximum acceleration in any gear occurs at peak torque, which is not commonly at peak BHP in a road engine.
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12 years ago
The gearing between the electric motor and petrol one is not fixed relative to the rear wheels. So it has a form of continuously variable gearbox to drive them. That it is basically just a differential drive makes no difference to this fact. But of course you are so steeped in reading adverts, you'd not know this.
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12 years ago
Ye canna change the laws of physics, capt'n.
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12 years ago
NSU thought they had got round the problem of rotor seals wearing out on their rotary engine too. The fundamental problem with that type of engine. So they went into production and warranty claims bankrupted them.
The same will happen here - if they ever go into production, which they haven't yet.
You really are the most gullible of fools.
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12 years ago
Ah bless, you hardly even need bait.
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12 years ago
Small barrel, big gun.
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12 years ago
They all use the same laws of thermodynamics.
We won't know whether they have solved the problem until the cars start appearing on the market. The simplest answer is a multi stage engine, where the vibrations from one set of vanes cancel out the vibrations of another. However, that can still lead to excessive component wear.
Colin Bignell
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12 years ago
You have omitted to consider the gearbox.
With an infinitely variable box, you can maintain peak power at all stages of th acceleration: That is the best acceleration.
Because its delivers maximum torque at every possible speed to the wheels, irrespective of what the engine torque actually is.
Your are confusing two separate things. Engine torque and wheel torque.
And te gearbox that translates the one into the other.
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12 years ago
We called them fartburgs as you could smell 'em long after they had passed.
MBQ