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Old 24 Nov 2000, 11:03 (Ref:49718)   #1
THR
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THR has a lot of promise if they can keep it on the circuit!
engine mass

what is the mass of engines?

i dont wanna know about F1 engines as there figures are usually made up anyway around 100kg.

but i would like to know acutal wet figures for all up ready to run with ancillaires.

crossflow.. 2L vaukhall.. Peugoet 205.. Rover V8... Ford Zetec... etc.

any ideas?

anybody know where abouts in the engine the CofG is? (ACTUALLY KNOW, not guess)

well if u dont actually know i suppose u lot could guess.

your thoughts......
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Old 29 Nov 2000, 10:00 (Ref:50267)   #2
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THR has a lot of promise if they can keep it on the circuit!
does no one know?

how about comparing them then?
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Old 20 Sep 2005, 11:03 (Ref:1412087)   #3
richard_sykes
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richard_sykes should be qualifying in the top 10 on the grid
Been searching for this infomation my self, rather than start a new thread ^^^^^
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Old 20 Sep 2005, 11:25 (Ref:1412096)   #4
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Old 20 Sep 2005, 13:17 (Ref:1412195)   #5
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icemachine should be qualifying in the top 10 on the gridicemachine should be qualifying in the top 10 on the grid
Being as every engine is different, and rather complex design, (are we talking the stock block or with all plumbing and accesories added?) about the only way to know (without doing pages of calculations) would be using some pretty advanced software analysis.
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Old 20 Sep 2005, 14:48 (Ref:1412249)   #6
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marcush. should be qualifying in the top 10 on the grid
Iknow about some 4 cylinder engines .

The weight of a fully dressed K-Series Rover engine is 96.5 kilos
wich compares to 158 for the Honda S2000 engine and 137 kgs for the Toyota 1800 ZZE engine ,all komplete with ancilliaries.

A fully prepared K-serie Raceengine can be grought down to 78 kilos,wich is a far cry from the s2000 base weight.

The Zetec is somewhere in between the Toyo and the rover ,i think.
As for the CG height the
Honda and Toyo are worse than the rover as they are taller and have quite complicated Headgear....

The very common Lotus elise conversion to the honda Drivetrain suffers massively from the increase in weight and raise of CG ,and the need for
very good dampers and a good setup is of paramount importance.

In BTCC the WSR run MGs gained massively when the v6 engine was replaced by the 4 cylinder K-series.
Powerwise there was said to be no big difference but the 50 kilos they cut at the front high up could be placed as ballast strategically and gave them a huge gain.
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Old 20 Sep 2005, 14:48 (Ref:1412250)   #7
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Wat till the wife is out, put the whole thing in the bath, turn the water on until the engine is submerged and all of the bubbles have stopped. Mark the water level, lift it out and let it drain then, using a measured container fill up to the mark. You may do well to buy her some flowers or something in advance...she'll notice the mess!
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Old 20 Sep 2005, 15:04 (Ref:1412265)   #8
icemachine
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icemachine should be qualifying in the top 10 on the gridicemachine should be qualifying in the top 10 on the grid
.

Last edited by icemachine; 20 Sep 2005 at 15:05. Reason: lack of thought in original reply
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Old 20 Sep 2005, 15:14 (Ref:1412274)   #9
marcush.
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marcush. should be qualifying in the top 10 on the grid
CG could be found by means of trial and error with suspending the engine in a way so you can turn it on this axis without creating any momentum to find a new equilibrium .
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Old 20 Sep 2005, 21:42 (Ref:1412627)   #10
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Quote:
Originally Posted by StephenRae
Wat till the wife is out, put the whole thing in the bath, turn the water on until the engine is submerged and all of the bubbles have stopped. Mark the water level, lift it out and let it drain then, using a measured container fill up to the mark. You may do well to buy her some flowers or something in advance...she'll notice the mess!


Put it in the dishwasher so it doesnt dirty the bath?
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Old 20 Sep 2005, 21:52 (Ref:1412633)   #11
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imull has a lot of promise if they can keep it on the circuit!
take it to the train station and put it on one of the fat bast*rd scales that are in the toilets. they usually weigh up to about 25 stone which is something like 160 kg (i think)

Might get the odd wierd look as you line up a load of engines at the 20p turnstiles
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Old 21 Sep 2005, 07:57 (Ref:1412867)   #12
richard_sykes
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richard_sykes should be qualifying in the top 10 on the grid
Mainly Zetecs
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Old 21 Sep 2005, 08:00 (Ref:1412870)   #13
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ben240z should be qualifying in the top 10 on the grid
the wieght of my 6 cylinder datsun 240z engine is in the region of 350kg to 400kg. This is dry sumped , no alternator, water pump . This was measured by using the corner wieght scales before and after engine instalation. If the engine is too heavy just add more power!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
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Old 21 Sep 2005, 08:29 (Ref:1412892)   #14
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Here is some information about some Jag engines off the top fo my head:

A V12 Jaguar engine is about 300kg! Although it depends on what you consider the engine, which is why ben204z's engine weight is quite high.

An Jaguar XK is not much lighter. I have the figures for these somewhere.

I've never seen the figures for the later AJ6 6 cylinder engine, but from experience with car weights I'd guess it is approaching being 50kg lighter than the V12 in the same car.
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Old 21 Sep 2005, 15:42 (Ref:1413176)   #15
ben240z
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are the joys of cast iron blocks and cranks. That wieght is the running engine.
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Old 23 Sep 2005, 22:10 (Ref:1415130)   #16
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R59 should be qualifying in the top 10 on the gridR59 should be qualifying in the top 10 on the grid
My all alloy V8 Chevy weighs in at just over 170Kg.

Nice and light.

Haven't worked out it's CofG yet.

Rob.
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Old 23 Sep 2005, 22:11 (Ref:1415131)   #17
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R59 should be qualifying in the top 10 on the gridR59 should be qualifying in the top 10 on the grid
Thinking about it, probably somewhere between the centre line of the crank, and the centre line of the cam.
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There is no substitute for cubic inches. Harry Belamonte - 403ci Vauxhall Belmont!!
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Old 26 Sep 2005, 11:11 (Ref:1416755)   #18
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ss_collins should be qualifying in the top 3 on the gridss_collins should be qualifying in the top 3 on the gridss_collins should be qualifying in the top 3 on the gridss_collins should be qualifying in the top 3 on the grid
RST V8 - 74kg.
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Old 26 Sep 2005, 18:56 (Ref:1417224)   #19
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R59 should be qualifying in the top 10 on the gridR59 should be qualifying in the top 10 on the grid
But is that 403ci? I think not!
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There is no substitute for cubic inches. Harry Belamonte - 403ci Vauxhall Belmont!!
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Old 27 Sep 2005, 14:37 (Ref:1417965)   #20
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NiG_21 should be qualifying in the top 10 on the grid
Loads of wieghts....

Standard Spitfire..........125 Kg
Vaxhaull 16V:..............130 Kg
Ford Zetec.................135 Kg
Triumph Sprint 16v.......140 Kg
Rover V8:...................145 Kg
Cosworth DFV (V8).......145 Kg
Ford Cosworth 16v.......150 Kg
Triumph TR6................200 Kg
UK Ford V6..................200Kg
Ford 289 V8.................222Kg
Chev V8 S-Block..........261Kg
Ford V8 S-Block...........265Kg
Jaguar V12..................309Kg
Chev V8 Big Block.........313Kg
Ford 427 Big Block........318Kg

Loads of weights to keep you going... does this help?
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Old 27 Sep 2005, 15:28 (Ref:1418006)   #21
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zefarelly has a real shot at the podium!zefarelly has a real shot at the podium!zefarelly has a real shot at the podium!zefarelly has a real shot at the podium!
A ford Kent 116E/701M block weighs 40kg ( thats a precrossflow/twin cam block 198mm deck height,) cos I weighed one last night . . . .as you do!
so a xflow block will be nearer 45 and a 1000cc short stroke probably 35

cranks about 8-10
rod 2kg
pistons 2kg
cam and followers 2kg
head assembly ( pre crossflow) about 10

all Iknow is when its one big lum I can't pick it up very easily and it hurts my back !
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Old 27 Sep 2005, 15:57 (Ref:1418033)   #22
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DaveK should be qualifying in the top 10 on the grid
A suzuki Hayabusa engine and gearbox weighes 85kg.

Interesting to see that my whole car weighes less than Ben 240z engine.

Mind you my whole car probably weighes less than Ben

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Old 27 Sep 2005, 16:02 (Ref:1418038)   #23
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greenamex2 should be qualifying in the top 10 on the grid
Nissan V6 3.0 VQ30DE - 140Kg in 'race trim' (only 10Kg heavier than the leaky pile of junk Vauxhall XE it is replacing in my kit car, with 50% more torque and power).

Toyota 1.6 4A-GE - About 85Kg in race trim
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Old 27 Sep 2005, 20:10 (Ref:1418223)   #24
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zefarelly has a real shot at the podium!zefarelly has a real shot at the podium!zefarelly has a real shot at the podium!zefarelly has a real shot at the podium!
what makes race trim different for these engines . . . .for mine race trim is heavier if anything . . . .unless I find £3k, cheat and buy an ally block, and get my own special heads cast from aluminium too !
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Old 27 Sep 2005, 20:14 (Ref:1418226)   #25
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Quote:
Originally Posted by NiG_21
Standard Spitfire..........125 Kg
Vaxhaull 16V:..............130 Kg
Ford Zetec.................135 Kg
Triumph Sprint 16v.......140 Kg
Rover V8:...................145 Kg
Cosworth DFV (V8).......145 Kg
Ford Cosworth 16v.......150 Kg
Triumph TR6................200 Kg
UK Ford V6..................200Kg
Ford 289 V8.................222Kg
Chev V8 S-Block..........261Kg
Ford V8 S-Block...........265Kg
Jaguar V12..................309Kg
Chev V8 Big Block.........313Kg
Ford 427 Big Block........318Kg

Loads of weights to keep you going... does this help?
I've got a iron block Jaguar XK6 (pretty much the same weight as the alloy block V12). Anybody know if any of the lighter ones above have 230hp/250lbft to match mine... I might well consider a transplant
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