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Re:torque to weight ratio?

  • Andy2640
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09 Mar 2019 13:37 #204344 by Andy2640
Howdy guys and gals,

Does anyone know the calculation for weight to torque ratios please.

I keep hearing journalists say that the new Jimny doesn't have much power. But considering the weight of the jimny and the low range gearing etc, surely this statement is moot.

Appreciate any help with this, thank you kindly.

A wise man once said...... When we are Mean, Shout at People, Lose our Tempers, Swear, and generally act like Tool Bags, Never forget ..... We are all Cavemen in Suits, Uniforms and/or Overalls ..... Living in Semi-Concrete Jungles. Andy - 2019 AD.

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09 Mar 2019 14:22 #204346 by sniper
Replied by sniper on topic Re:torque to weight ratio?
Power to weight = BHP divided by weight (86bhp / 1200kg = 71.66bhp per ton)

Torque to weight = Torque divided by weight (81 foot pounds / 1200kg = 67ftlb per ton)

I think that's what your after ?

sniper
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09 Mar 2019 14:26 #204347 by Andy2640
Replied by Andy2640 on topic Re:torque to weight ratio?
Perfect Sniper! Thank you buddy.

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09 Mar 2019 18:03 #204358 by Lambert
Replied by Lambert on topic Re:torque to weight ratio?
Don't get too hung up on power and torque to weight ratios as they don't take into account the effect of gearing. You could have a thousand torque per tonne but if you are also gearing for a hundred mph in first you're not going to accelerate too quickly.

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09 Mar 2019 18:28 #204360 by Scimike
Replied by Scimike on topic Re:torque to weight ratio?
I would stop looking at any reviews or spec sheets and just go for a test drive, you will know straight away if a Jimny of any generation is for you or not. The Jimny is never going to win in a Top Trumps card game, but that's not why we choose to own one. :laugh:
Smiles per mile factor is very high.....

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09 Mar 2019 18:54 #204362 by Andy2640
Replied by Andy2640 on topic Re:torque to weight ratio?
Nice info guys, appreciated!

Yes done the test drive, love it! Just bugs me how inaccurate the motoring press have been on the new Jim. Mind due, this doesn't surprise me, just look at the BBC news and other non credible media these days;-) All media is BS ;-)

From what iv'e seen, the Jimny is absolutely savage off road! Its a beast!

Hear ya about gearing. Great advice, i'll just KNOW that I know.... how killer the jimny is, and feel the power :-)

Cheers.

A wise man once said...... When we are Mean, Shout at People, Lose our Tempers, Swear, and generally act like Tool Bags, Never forget ..... We are all Cavemen in Suits, Uniforms and/or Overalls ..... Living in Semi-Concrete Jungles. Andy - 2019 AD.

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09 Mar 2019 19:01 #204363 by reedx
Replied by reedx on topic Re:torque to weight ratio?
Isn't the new Jimny 101bhp, not 86bhp?
Colin

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10 Mar 2019 12:12 - 10 Mar 2019 12:32 #204379 by yakuza
Replied by yakuza on topic Re:torque to weight ratio?

Andy2640 wrote: Nice info guys, appreciated!

Yes done the test drive, love it! Just bugs me how inaccurate the motoring press have been on the new Jim. Mind due, this doesn't surprise me, just look at the BBC news and other non credible media these days;-) All media is BS ;-)

From what iv'e seen, the Jimny is absolutely savage off road! Its a beast!

Hear ya about gearing. Great advice, i'll just KNOW that I know.... how killer the jimny is, and feel the power :-)

Cheers.

Hmm.. Torque and power are measurements and physical facts of the car, they are not fake news from facebook. There is no conspiracy here :)
Figures could sometimes be a bit tweaked by the sales people like the emissions on german cars, but in general they are accurate enough to give an impression of the performance.
However they do not say much about the driving and how the car performs in everyday use. That is more up to taste and what you are used to. Most driving tests do not appreciate that a ladder frame 4x4 with rigid axles is a very different car than a hot hatch.

Most journalists have little knowledge so they will tend to embrace the numbers and figures to have an easier work day. And if they can they will repeat what other people tells them, they have to so their facts can be checked. Most often it is some stupid salesman or economist that gets the job of talking to the journalist.
Skilled engineers seldom bothers to talk to a journalist as they know they wouldn't understand and get it all wrong.

So all things considered I think we'll just have to settle with the stupid numbers.
If I was forced to buy a 4x4 from the motor press numbers, i would buy the one with lowest top speed as that must be the one with low gears :)

2005 Jimny M16A VVT, 235 BFG MT, 2" Trailmaster, 17%/87% high/low gears.
Last edit: 10 Mar 2019 12:32 by yakuza.

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10 Mar 2019 14:06 #204386 by saxj
Replied by saxj on topic Re:torque to weight ratio?
Regardless of what the numbers say, a standard Jimny will out do any other standard 4x4 off-road.

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10 Mar 2019 14:21 - 10 Mar 2019 14:21 #204388 by Andy2640
Replied by Andy2640 on topic Re:torque to weight ratio?

yakuza wrote:

Andy2640 wrote: Nice info guys, appreciated!

Yes done the test drive, love it! Just bugs me how inaccurate the motoring press have been on the new Jim. Mind due, this doesn't surprise me, just look at the BBC news and other non credible media these days;-) All media is BS ;-)

From what iv'e seen, the Jimny is absolutely savage off road! Its a beast!

Hear ya about gearing. Great advice, i'll just KNOW that I know.... how killer the jimny is, and feel the power :-)

Cheers.

Hmm.. Torque and power are measurements and physical facts of the car, they are not fake news from facebook. There is no conspiracy here :)
Figures could sometimes be a bit tweaked by the sales people like the emissions on german cars, but in general they are accurate enough to give an impression of the performance.
However they do not say much about the driving and how the car performs in everyday use. That is more up to taste and what you are used to. Most driving tests do not appreciate that a ladder frame 4x4 with rigid axles is a very different car than a hot hatch.

Most journalists have little knowledge so they will tend to embrace the numbers and figures to have an easier work day. And if they can they will repeat what other people tells them, they have to so their facts can be checked. Most often it is some stupid salesman or economist that gets the job of talking to the journalist.
Skilled engineers seldom bothers to talk to a journalist as they know they wouldn't understand and get it all wrong.

So all things considered I think we'll just have to settle with the stupid numbers.
If I was forced to buy a 4x4 from the motor press numbers, i would buy the one with lowest top speed as that must be the one with low gears :)[/quo





I Didn't state that they were fake news'ing the torque to weight numbers, that would clearly be impossible, even by their own standards.
Just stating that the majority of the MSM are not reliable sources of information. I wont state the reasons, they are vast ;-)


A wise man once said...... When we are Mean, Shout at People, Lose our Tempers, Swear, and generally act like Tool Bags, Never forget ..... We are all Cavemen in Suits, Uniforms and/or Overalls ..... Living in Semi-Concrete Jungles. Andy - 2019 AD.
Last edit: 10 Mar 2019 14:21 by Andy2640.

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10 Mar 2019 15:41 #204396 by Scimike
Replied by Scimike on topic Re:torque to weight ratio?
I think reviews and figures quoted by the motoring press are for the most part accurate. We need to remember that our beloved Jimny (of any generation) is an old design that can be traced back to the Willy,'s jeep, maybe even further. The design provides for a formidable off road machine, but on road the same design limits it's performance.
By modern road car standards it's slow, uneconomical, not particularly safe (ncap), does not handle the road well, can't carry much and it's noisy.
It's a fact, you can get a much better road car for a lot less money.
The fact it will go off road is not important to most, the worst it will see is a few snow covered roads. So I understand why the press reviews will generally show it with a low to middle rating, it reflects that for everyday use you can get better.
But as you say it's not the complete picture, the very things that make it bad can also give it a soul and make it enjoyable to drive. I swapped an economical, safe, superb handling, highly equipped and quite vehicle for my Jimny. Why? it's was so good it was boring to live with day to day.
I love driving and owning my Jimny, but on paper it should not be on my drive.
So forget the Journalist, they are missing the point.:laugh:

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10 Mar 2019 16:50 #204401 by Lambert
Replied by Lambert on topic Re:torque to weight ratio?
Sorry peeps but I'm not sure if I recognise the description of the driving dynamics of Jimny being bandied about here. Zebedee is a completely stock Jimny vvt auto 1.3. He isn't quite as quick off the mark as Ermintrude but how could he be. What he is though is every bit as capable of making decent cross country progress as any other vehicle in general British driving conditions ie traffic. He is never at the front of a queue of cars unless he has just overtaken the slow one and is pulling away. He can easily hold a line on corners at the speed limit etc etc. Yes on a deserted A road there's enough cars that can go faster but in all honesty when was the last time that ever happened? And then there's Ermintrude. A few Gucci parts and... "See ya!" It's rare that a well driven Jimny is out of it's depth on any surface. Most drivers on the other hand.....?

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