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Author: Subject: Weights
coyoteboy

posted on 13/4/11 at 06:35 PM Reply With Quote
Weights

Can you help me put some approximate figures, or correct my approximate figures for the weight of the following components?

Bike engine~ 90kg with headers and carbs and associated gubbins
Diff ~ 25kg
Prop shaft ~ 5-10kg?
Electric Reverse kit ~ 3-5kg?

Totalling, all in, about 125kg +??

[Edited on 13/4/11 by coyoteboy]

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daniel mason

posted on 13/4/11 at 06:49 PM Reply With Quote
is that all the electric reverse weighs?






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chrisxr2

posted on 13/4/11 at 06:51 PM Reply With Quote
35kg

Wasnt ther a guy on here with a bike engined kit said he took his off after sva and it was 35 kilo??





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coyoteboy

posted on 13/4/11 at 07:02 PM Reply With Quote
Electric reverse, 35kg?! what are people putting on there?! But OK, fair enough, I'm gathering data, not complaining!
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MakeEverything

posted on 13/4/11 at 07:05 PM Reply With Quote
yes it was the dude with the Spire that took it off after IVA.

The starter alone has got to be 5-6Kg?





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coyoteboy

posted on 13/4/11 at 07:16 PM Reply With Quote
Reckon my starter on the tin top must weigh about 2-3kg?
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scootz

posted on 13/4/11 at 07:37 PM Reply With Quote
A lot depends on the type of bike engine too...





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coyoteboy

posted on 13/4/11 at 07:48 PM Reply With Quote
Yup, that's why I'm looking for data to fill in my ranges I guess, I'm trying to identify exactly how much extra weight I'd be looking at carrying if I went CEC, since there's a vast difference between all possible packages but car engine weights are slightly easier to come by. If the reverse is ~35kg you're heading towards not THAT much in it with a heavy bike engine.

[Edited on 13/4/11 by coyoteboy]

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tilly819

posted on 13/4/11 at 08:28 PM Reply With Quote
the 35 kg reverse was including an extra battery IIRC

tilly





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Benzo

posted on 13/4/11 at 08:42 PM Reply With Quote
quote:
Originally posted by coyoteboy
Yup, that's why I'm looking for data to fill in my ranges I guess, I'm trying to identify exactly how much extra weight I'd be looking at carrying if I went CEC, since there's a vast difference between all possible packages but car engine weights are slightly easier to come by. If the reverse is ~35kg you're heading towards not THAT much in it with a heavy bike engine.

[Edited on 13/4/11 by coyoteboy]


there is no way it would be 35kg for a starter motor and sproket... if you needed an extra battery thats a load of wee too..

a starter is a lighter option than a reverse box, and i removed mine (westfield reverse system) and it weighs no more than 10kg.

[Edited on 13/4/11 by Benzo]

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SausageArm

posted on 13/4/11 at 08:56 PM Reply With Quote
It was a long time agop but if I remeber correctly, I weighed a Freelander diff and it came in at 16kg and the Sierra diff was 20kg.

A ZX10R engine, minus the headers, is under 70kg.

[Edited on 13/4/11 by SausageArm]

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40inches

posted on 13/4/11 at 09:23 PM Reply With Quote
As far as I know, a bike engine weighs about the same as a CEC gearbox, so deduct the car engine weight and add the reverse gear and engine cradle weight, that shouldn't be far off.






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locobladeracer

posted on 13/4/11 at 09:51 PM Reply With Quote
the all up weight of my race car with a blade engine, 15L of fuel, full cage and me sat in it comes in at 570Kgs. I am currently working on getting that down a little more as well.
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Benzo

posted on 13/4/11 at 09:54 PM Reply With Quote
quote:
Originally posted by locobladeracer
the all up weight of my race car with a blade engine, 15L of fuel, full cage and me sat in it comes in at 570Kgs. I am currently working on getting that down a little more as well.


Mine is pretty much the same, 919 blade, sierra diff, (english rear is much lighter) no reverse, 5L of fuel, 562kg, i could get it down a fair bit more, but the minimum weight limit for our class is 560 so im pretty much on the button as long as i finish the race with around 5L on board!

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Benzo

posted on 13/4/11 at 09:57 PM Reply With Quote
Just to add, that is ofcourse with driver, i am 80kg..
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coyoteboy

posted on 13/4/11 at 10:52 PM Reply With Quote
quote:

As far as I know, a bike engine weighs about the same as a CEC gearbox



Nahh, while I'm complicating things by thinking FWD units here, most of the manual boxes I've seen are in the 40-50kg region, some real heavy duty boxes come in around 70kg (I can literally only just lift my E151 transmission, but it is known good to stupendous torque) (which seems to be a very light bike engine by all accounts?). Looking at some of the FWD engine/transmission setups found in cars I'd be looking around 140kg for the engine (complete) and 40ish for transmission, so 180 all in. First thoughts put a BEC arrangement ~75kg lighter but it's hard to gather exact details (without buying them all and weighing them lol).

Cheers for all the info so far!

[Edited on 13/4/11 by coyoteboy]

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Benzo

posted on 13/4/11 at 10:58 PM Reply With Quote
Carbed 919 Blade engine/ box 55kg's
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coyoteboy

posted on 14/4/11 at 01:11 AM Reply With Quote
Now that IS light!
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Benzo

posted on 14/4/11 at 08:54 AM Reply With Quote
Ive never weighed one but that's what a courier told me it was, unlikely they would under weigh it as it was priced accordingly!
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locobladeracer

posted on 14/4/11 at 09:49 AM Reply With Quote
have a chat with Andy Bates or Yorkshire engines as they will both know how heavey the engines are. One thing I have found is that the newer the engine the lighter they get, compaired to the previous model.
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coozer

posted on 14/4/11 at 09:51 AM Reply With Quote
Well I'm chuffed with mine then, good old zetec and type 9, the car was 525kg at SVA, since then ali bellhousing and 4 pot calipers has shaved 12kg off.

Then I go and spoil it by getting in





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40inches

posted on 14/4/11 at 09:56 AM Reply With Quote
Fireblade=67Kg
Zetec with type 9=180Kg

Source Westfield World Tech pages






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andyfiggy2002
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Building: built megablade in 2004 & ive still got it

posted on 14/4/11 at 10:02 AM Reply With Quote
westfield RGB 6kg
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RickRick

posted on 14/4/11 at 10:14 AM Reply With Quote
5vy R1 with box 62kg apparently
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hughpinder

posted on 14/4/11 at 10:56 AM Reply With Quote
Heres the post on the electric reverse - it was 24kg saved of which 13 was the battery - So 11kg as long as you only use it with the engine running

http://www.locostbuilders.co.uk/viewthread.php?tid=153182

Diffs 16-20kg
Drive shaft about right
Engine weights usually 75- 85 kg inc all the ancillaries.

So all up 80+10+18+11 (say)=120kg.
Zetec and type 9 is 180 kg+driveshaft+diff= 208kg all in
Duratec is 18kg lighter than a zetec so 190kg all in

A sylva riot with 1.6 ford engine = 470kg, with an R1 = 400kg acording to their web site.
I also saw some figures for MNRs one a zetec powered and one a busa and there was about 80kg weight difference there.

Regards
Hugh

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