If they sell a lot of these little cars with their noisy two-stroke engines then the country will sound like it is full of bees. Are there bees in India?

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ah are we talking efficient as in litres of petrol = "x" power

or

power produced by a particular engine size

probably the second and that explains the poor consumption, if two stroke its as powerful as my 1120 cc engine but yes I suppose not as efficient and yes very poluting

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My sister's car turns out 60bhp and it has a 1.2L engine.

My bike kicks out 57bhp and only has a 500cc engine.

It depends on the compression ratio and a good engine management system helps too.

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One of our favourite cars to hate in Europe was the Trabant.

Time website says: "Powered by a two-stroke pollution generator that maxed out at an ear-splitting 18 hp, the Trabant was a hollow lie of a car ... Trabants smoked like an Iraqi oil fire, when they ran at all, and often lacked even the most basic of amenities, like brake lights or turn signals"

There was also the Wartburg (2 stroke 3 cylinders) - both of the above have a 'cult' following.


The Royal Enfield was a Motorcycle produced in India. The Taurus version had 325cc diesel engine (6½hp). It could acheive 200mph.


Honda motorcycle engines have been made in China for some time. A lot of Chinese made motcycles are based on Japanese designs.


A UK train operator may buy 140mph trains from China.
"Grand Central, a small British train operator, has said it is preparing to order three Chinese-built high-speed trains for a new service between London and Sunderland"

 

I don't believe that 6½hp will get you to 200mph it will get you to about 50mph with normal bike aerodynamics, maybe 70mph if you really streamlined it but it wouldn't be very practical.

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Not quite true, the Royal Enfield was a motorcycle produced in the UK, but back in the 50's or so they had a big order from the Indian government for essentially 'idiot proof' bikes that didn't need any 'running in'.

Royal Enfield sold them the 350cc 'Bullet', and even sent engineers out to India to build a production facility.

After the complete demise of the UK motorbike industry, the Indian factory was still churning out the old Bullet, and in recent years have even exported them to the UK and the rest of the world. Still essentially the 1950's Bullet, but with indicators and brake light added, apparently a fairly decent bike for the price?.

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I meant mpg

 

The Trabant was made in the old German Democratic Republic (Eastern Germany).
The last one I saw was in England and was obviously there on holiday (with its owners!) from Germany. It was in very nice condition and the body had been "wallpapered" with old East German bank notes, basically worthless after unification.

JimB

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2 strokes suck, but they are good in high rpm small single engine use, like RC cars and chainsaws.

 

You need to come to Derbyshire, there's a collector of them here, at a small village called "Middleton By Youlgreave" - he has (or at least had) heaps of them - last I heard the local council were taking him to court over them.

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You obviously know nothing about two strokes, they commonly run at much lower RPM than four stokes, and provide much more power.

I've had various two stroke bikes, and their performance is amazing - you can leave Porsches and Ferraris standing up tp about 80 or 90 mph.

There's nothing 'magic' about a two stroke, they simply throw more fuel in the engine to get the higher performance - my 380cc Suzuki was a triple, with three carbs, each one had a main jet bigger then the single carb on a 1600cc car engine!. Only 380cc, but you could EASILY get under 30 mpg out of it.

The fastest accelerating production bike was the Kawasaki 750cc two stroke triple, and I once happened to read the letters page of a magazine that had reviewed it the month before - so I don't know what they said, but the writer of the letter was insensed about their fuel consumption figures, claiming that he "regularly got 12 mpg out of his". Fearsome bikes, you probably got 12 pairs of new underwear per gallon as well!

As for engine revs, red line on my 380cc Suzuki was 8,000, on a 400cc Honda 4 stroke it was 12,000 revs - I won't discuss fuel economy though!.

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the ones i've worked with all seem to have a higher RPM rating then 4 cyclers, lighter counterweights and more combustion.

 

I agree with 2 strokes being higher revving - I've had a few in my time and they have had redlines between 12k and 14k rpm.

The 4 stroke bikes I've had have topped out at around 7k rpm max.

 

My four stroke Honda redlines at 10.5k and my brother's Yammaha Fazer 600 red lines at 14k.

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Must have been small ones?.

Sounds more like a lawnmower?

To be fair, that's the sort of redline you get from a big single, like an XT500.

My last bike was a Yamaha DT400 (two stoke single enduro), that redlined at 7k.

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