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Author Topic: The weight saving thread  (Read 524208 times)
Pas
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« Reply #420 on: January 23, 2011, 23:32:41 pm »

Well done.

Don't forget to drill the hinges!

What do you think about making it from alloy?  I think 1.2mm would make it rigid enough.

Shouldn't be too difficult, just need to work out how to attach it to the hinges.
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Nikke
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« Reply #421 on: January 28, 2011, 21:53:17 pm »



A bit of d.i.y...0,6 mm. polycarbonat lenses...app.40 gram...made over a casting(and not over the glass !),so they will fit inside the chrome rim like the original lenses  Wink

Cheers from Griebel
Could somebody please make these to fit type 2s too..
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Pas
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« Reply #422 on: February 19, 2011, 01:25:42 am »

Aluminium mid mount made from 10mm plate, I haven't weighed it yet but it should be lighter than a 4mm steel one I think.
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Bruce
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« Reply #423 on: February 19, 2011, 02:13:24 am »

Your thicker Al plate will be 15% less than the thinner steel one. 
IMO, you could have made it thinner.

Are you going to make an Al rear bracket?
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Pas
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« Reply #424 on: February 19, 2011, 02:25:40 am »

Your thicker Al plate will be 15% less than the thinner steel one. 
IMO, you could have made it thinner.

Are you going to make an Al rear bracket?

Hey Bruce

I think you are right and I will have another made in 8 or maybe even 6mm plate. Most steel ones I have seen are 6 or 8mm so even this 10mm one will be substantially lighter.

I will have an Ali  rear one made up eventually but I already had the steel one so thought why not hit it with the lightening stick, there is still plenty more material I can take out it.
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Fasterbrit
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« Reply #425 on: February 19, 2011, 20:52:29 pm »

Very nice indeed, Pas! You could take a drill to those metal brackets you welded to the chassis... A few grammes there to be shed! Looking good, can't wait to see it finished!
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Basti
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« Reply #426 on: March 05, 2011, 21:25:28 pm »

I like this ones....Wink

They are out of titan!

Get yours at csp!! Wink

Basti
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Pas
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« Reply #427 on: March 06, 2011, 21:51:06 pm »

I like this ones....Wink

They are out of titan!

Get yours at csp!! Wink

Basti

I want some, better start saving   Shocked Grin
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Bruce
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« Reply #428 on: March 07, 2011, 08:29:32 am »

€, £, $??
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Diederick/DVK
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« Reply #429 on: March 07, 2011, 09:04:03 am »

169 EUR

http://www.csp-shop.com/cgi-bin/cshop2/front/shop_main.cgi?func=det&wkid=13062508040&rub1=Rear%20Axle&rub2=Wheel%20Bearings&artnr=24478a&pn=0&sort=0&all=
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chuckv8
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« Reply #430 on: March 12, 2011, 02:54:18 am »

169 EURO !!!!!!!! It's more than twenty bucks!!!
« Last Edit: March 12, 2011, 02:57:51 am by chuckv8 » Logged
Bruce
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« Reply #431 on: March 16, 2011, 05:03:38 am »

169 EUR
I can't do it!  That's 2 € per gram.
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Jon
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« Reply #432 on: March 18, 2011, 14:04:56 pm »

169 EUR
I can't do it!  That's 2 € per gram.

Have you then also considered that your wallet will be 1267,5 grams lighter due to the missing the 169 missing Euro coins?  Wink
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Nico86
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« Reply #433 on: March 18, 2011, 18:09:01 pm »

169 EUR
I can't do it!  That's 2 € per gram.

Have you then also considered that your wallet will be 1267,5 grams lighter due to the missing the 169 missing Euro coins?  Wink

Yep but if you pay with bank notes and you got the difference in coins you have it in the a**!   Cheesy Cheesy Grin
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Matt Tobias
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« Reply #434 on: March 25, 2011, 06:44:34 am »

My '65 is all torn apart at the moment, so what better time to put as many parts on a diet before they get put back together?  Here is the handbrake and pivot pin.  It may get shortened at the handle a couple of inches.
Sorry I don't have the exact weight, but that pivot pin was really heavy for what it was!


next up is the pan washers!
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Bruce
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« Reply #435 on: March 26, 2011, 05:01:26 am »

Looks good, Matt.  It's good to have another convert.
Take out the ratchet piece and drill the hell out of that too.
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Matt Tobias
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« Reply #436 on: March 27, 2011, 04:27:54 am »

Looks good, Matt.  It's good to have another convert.
Take out the ratchet piece and drill the hell out of that too.

I tried to drill the ratcheting pawl (the one pinned in side the lever) and that damn thing must be hardened!  My drill bit wouldn't touch it! 
I'll have to drill the rest of the ratcheting mechanism as well. 
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Ben67
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« Reply #437 on: March 30, 2011, 03:17:57 am »

OK so I'm into this, but i would like to see how some of you lay out your drill patters
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Phil West
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« Reply #438 on: March 30, 2011, 16:54:17 pm »

Does anyone have any data on seat weights?  I just weighed mine and it came in at a rather shocking 5.91kg, surely there's lighter ones out there?
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Matt Tobias
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« Reply #439 on: March 30, 2011, 23:22:44 pm »

OK so I'm into this, but i would like to see how some of you lay out your drill patters

A great way to do it is to tape a piece of graph paper to the part and use an automatic center punch to lay out a grid.  Keep in mind the size of the holes you're going to drill and modify your layout on the graph paper.
Another thing to remember if you're going to layout holes that get progressively larger is that the spacing between the holes is going to change.
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Lee.C
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« Reply #440 on: March 30, 2011, 23:53:48 pm »

OK so I'm into this, but i would like to see how some of you lay out your drill patters

A great way to do it is to tape a piece of graph paper to the part and use an automatic center punch to lay out a grid.  Keep in mind the size of the holes you're going to drill and modify your layout on the graph paper.
Another thing to remember if you're going to layout holes that get progressively larger is that the spacing between the holes is going to change.

That is an AWESOME little bit of info - I have ALWAYS wondered about that - SO simple  Roll Eyes  Cheesy Wink Smiley
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Bruce
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« Reply #441 on: March 31, 2011, 05:51:00 am »

Does anyone have any data on seat weights?  I just weighed mine and it came in at a rather shocking 5.91kg, surely there's lighter ones out there?
Have a look into the reproduction Speedster seats.  Some are formed from ally sheet, then with some padding.
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Neil Davies
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« Reply #442 on: March 31, 2011, 13:03:11 pm »

Does anyone have any data on seat weights?  I just weighed mine and it came in at a rather shocking 5.91kg, surely there's lighter ones out there?
Have a look into the reproduction Speedster seats.  Some are formed from ally sheet, then with some padding.

What seat have you got at the moment Phil? I'm guessing a Jaz or a Kirkey - they're pretty light - and how about punching some holes and then flanging them? I know Pete S has some speedster seats without padding, and we know he's into his light weight stuff too!
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Phil West
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« Reply #443 on: March 31, 2011, 15:58:10 pm »

Actually I don't know what they are,can't remember but they're not marked.  Steel tube frame and padding so no real place to lighten them.  I reckon ally's the way forward....
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Neil Davies
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« Reply #444 on: March 31, 2011, 16:24:49 pm »

Actually I don't know what they are,can't remember but they're not marked.  Steel tube frame and padding so no real place to lighten them.  I reckon ally's the way forward....

A friend of mine had a Kirkey seat for his F2 stock car, and it was amazingly comfy, much more figure hugging than the Jaz one, which looks a bit like a bucket to me... Only problem is that being a stock car seat, it has a lot more side bolster than you need in a drag car, but you could cut it down a lot!
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Neil Davies
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« Reply #445 on: March 31, 2011, 16:32:31 pm »

And they do drag seats too.
http://www.kirkeyracing.com/index.php?link=browse&code=Series16
You could ask one of the oval racing companies to tag one onto their next order?
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Pas
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« Reply #446 on: March 31, 2011, 17:37:09 pm »


Same model I have, I will try and get it on the scales Phil and let you know the weight.
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Phil West
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« Reply #447 on: March 31, 2011, 17:53:26 pm »

very nice thanks guys.  Will have a good look at their website too.
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« Reply #448 on: March 31, 2011, 20:13:23 pm »


Same model I have, I will try and get it on the scales Phil and let you know the weight.


Preferably without you in it! Grin

Phil, you've got unneccesary steel in your car! don't tell Pete Smiley
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Pas
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« Reply #449 on: March 31, 2011, 23:45:38 pm »


Same model I have, I will try and get it on the scales Phil and let you know the weight.


Preferably without you in it! Grin


I'm built for comfort not speed  Grin

Phil weight is 5.4 kg with no cover (way too heavy Grin), so not a great saving. I think I will be putting a few holes in mine like Neil suggested, should easily get it below 5kg  Grin
« Last Edit: April 01, 2011, 00:01:17 am by Pas » Logged

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