flyingbrick Posted January 20, 2015 Posted January 20, 2015 David could you throw a piece of that stuff under a blowtorch or hold in a lighter flame and tell us what happens.. I'll grab a few rolls if you can test its ability to not melt Quote
mjrstar Posted January 20, 2015 Posted January 20, 2015 Do you have a blowtorch and lighter flame in your engine bay you need to shield stuff from? 2 Quote
flyingbrick Posted January 20, 2015 Posted January 20, 2015 How hot do extractors get? Google tells me well over 1000 degrees is possible. Then I found that a bic lighter gets to 1200 degrees So its a good test Obviously a blowtorch isn't lol Quote
Roman Posted January 20, 2015 Author Posted January 20, 2015 Hey I've got a shitload of this wrap because I bought two 15 meter rolls haha. I cant test it as I dont have access to a blowtorch but you're welcome to pinch some if you're in Auckland at some point. Quote
eke_zetec_RWD Posted January 21, 2015 Posted January 21, 2015 Thank you. Found carbon fabric I need on all express this morning. I think I've sourced all the things I new for my Carbon attempt. So I can start buying things now... Iv ordered 10m of the carbon Kevlar cloth. Will be making bonnet and mud guards for lotus from it. Was about half the Nz price. Looks good in the photos! Quote
japawagons Posted January 21, 2015 Posted January 21, 2015 Iv ordered 10m of the carbon Kevlar cloth. Will be making bonnet and mud guards for lotus from it. Was about half the Nz price. Looks good in the photos! Looking forward to see what you find. Why are you using Kevlar out of curiosity? From what I've read Kevlar is used for its impact resistance but carbon has higher rigidity. Hence its use for bonnets. Quote
eke_zetec_RWD Posted January 21, 2015 Posted January 21, 2015 I think carbon is quite brittle. And Kevlar isn't. So it's like the best of both worlds. Must be better for guards-stone impacts. Plus it looks dope. Quote
h4nd Posted January 21, 2015 Posted January 21, 2015 goog: The maximum adiabatic flame temperature a propane torch can achieve with air is 1,995 °C (3,623 °F). Quote
japawagons Posted January 21, 2015 Posted January 21, 2015 I think carbon is quite brittle. And Kevlar isn't. So it's like the best of both worlds. Must be better for guards-stone impacts. Plus it looks dope. Yeah definitely good for stone impacts. Just for bonnets straight carbon requires less matting thickness to get the same rigidity to hold its shape... Quote
peteretep Posted January 21, 2015 Posted January 21, 2015 ah crap sakes I was logging the wrong stuff, I didnt realise there was 2 loggers in tunerstudio, next time... new electric fan seems to be much better, need to try on a hot day. I have also set the off point for the fan to the opening temp of the thermostat to try stop the temperature 'hunting' so much 1 Quote
eke_zetec_RWD Posted January 21, 2015 Posted January 21, 2015 Yip, you could smash a layer of fibre glass in the middle to make it cheaper, basically no strength loss. So carbon then glass then carbon Quote
h4nd Posted January 25, 2015 Posted January 25, 2015 David could you throw a piece of that stuff under a blowtorch or hold in a lighter flame and tell us what happens.. I'll grab a few rolls if you can test its ability to not melt Oh yeah, and film pls Quote
flyingbrick Posted January 26, 2015 Posted January 26, 2015 Yeah blow torch was dumb idea but lighter temp is about right. Carbon cloth is not "brittle" as many people seem to assume. I had a full carbon bonnet (with rise) and zero skeleton sitting on my lawn. It was stepped on by a guy that probably weighed 150kg. We looked at each other like FUCK as his weight had pushed the center down about 4" into the grass. When be removed weight it popped back into original shape with zero damage. I got told afterward by glass man that resin choice can have a greater impact on durability of parts- modern stuff has flex additives or something. I have used Kevlar briefly and it was very hard to cut! Quote
mjrstar Posted January 28, 2015 Posted January 28, 2015 so this is some shit i should know how to do.. I have a centrifugal pump curve for my pumps in the system, how do I calculate my system curve and overlay it. (bot current condition and desired condition) Quote
Yowzer Posted February 2, 2015 Posted February 2, 2015 Does anyone have any idea of speedo output rpm in relation to output shaft? Obviously it'll differ from car to car due to intended rolling circumference and diff ratio, but ballpark figure? Quote
Yowzer Posted February 2, 2015 Posted February 2, 2015 Don't worry I answered my own question, common Toyota ratios seem to be between 3:1 and 3.5:1 Cool. Quote
dave123456789 Posted February 2, 2015 Posted February 2, 2015 Will it make a big difference if a couple of header pipes are significantly longer than some of the others? Not a huuuuge difference but a decent bit longer Quote
Rookie Posted February 2, 2015 Posted February 2, 2015 It will make a difference, but not one that you will notice probably. Quote
Testament Posted February 2, 2015 Posted February 2, 2015 very unlikely to make any kind of difference that is a problem. will be better than shitty cast manifold/too small pipes but will just be leaving something on the table so to speak is all. does depend a bit on the engine too as to how much of a difference things will make Quote
dave123456789 Posted February 2, 2015 Posted February 2, 2015 Thanks didn't think it was a big issue. Just wanted to make sure before the new bits are welded in. As long as it doesn't make it run like arse its ok. Quote
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