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Killerglass

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37 replies to this topic

#21
ACE1981

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wouldnt the moving engine when turned on crack the tube probley why the existing one is flexible ?

PROJECT EARTH


#22
cont1204

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Should imagine it's designed with some flex in it :\ Would hope so anyway!

#23
TheHowster

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Im used to seeing superchargers bolted onto the top of v8s with big belt drives. Seeing the horn shaped intake on that along with the tube coming in from side it looked as if it was a gas driven device and hence I thought turbo despite its unusual location. Belts must be hidden behind.
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Bex "Hitatchi are piles of unreliable runny poo!"

#24
OneEyeUK

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Definitely a supercharger, its nowhere near the exhaust, its mounted crank end of the engine for the belt drive and it looks to be centrifugal compressor.

I can understand why you might think it looks like a turbo though. Turbos are centrifugal compressors with 2 chambers (one side is turned by the exhaust gas and one side compresses the air). Most superchargers are either roots or screw compressors which look very different to turbos. See Here for explanation of the different types. :)


You could be right, Dave, but it does 'look' far more like a turbo than any supercharger I've seen.

But, as I'm not as up to date on superchargers as I used to be (mainly familiar with the mahoosive roots type you see on top of american V8's) I did some research.

Am aware that centrifugal superchargers have been used in aero engines since before WWII, but hadn't been aware that practical units had been developed for auto use.

If you want to find out more start by googling 'centrifugal supercharger' and then 'procharger'.

Procharger make centrifugal superchargers that look a hella lot like turbo's.

Think they even make a unit that fits a Saxo..... 8-o)

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#25
Bigdavegrrr

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I think it might be a new unit I heard about last year that has gears that automaticly change with the rev range making the supercharger more efficient across the rev range. This particular supercharger uses a centrifugal compressor as the the gearbox is quite large so attaching it to a roots or screw type would make the unit quite large. Unfortunately I cant remember where I read about it or who makes it! <duno>

Centrifugal and vane superchargers have been in use on cars for a while and they are becoming ever more popular over the roots and screw types as they tend to be much smaller enabling them to fit easier into modern cramped engine bays:

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You wouldn't easily fit a roots or screw supercharger in there!

Personally if I wanted to run a supercharger Id go for a Eaton roots or screw type purely because they are indestructible and sound like someone has strapped a very angry cat to the top of the engine! :D

#26
Bandyquill

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Ok, can someone fit me a supercharger to my C4!!! Needs one now XD

"Put the parts back in the box and return to dealer. You're too dumb to mod"


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#27
OneEyeUK

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Personally if I wanted to run a supercharger Id go for a Eaton roots or screw type purely because they are indestructible and sound like someone has strapped a very angry cat to the top of the engine! :D


win!! :D

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#28
Marcus

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someone has strapped a very angry cat to the top of the engine! :D


You're putting ideas into my head again.. :o

#29
Marcus

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Dear Marcus

Good morning. Thank you for your enquiry for Glass tubes. I am pleased to attach our quote. Unfortunately we did not receive the drawings you sent us, so I have quoted for a standard Borosilicate glass tube. If this is not suitable, please resend the drawings and I will requote.

Many thanks and kind regards,

James Taylor

The Technical Glass Company



Material: Borosilicate Glass

Description: 40mmOD x 3.2mm Wall Thickness x 340mm Long

Quantity: 10

Price: £28.90 per piece



That's a bit better.. although i'm not keen on the 3.2mm thickness. :|


#30
cont1204

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Is there much flex in it? Wouldn't want anything too rigid!

#31
Bigdavegrrr

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Iirc Borosilicate glass is the lab spec stuff they make test tubes etc out of so I doubt it has any flex at all!

#32
ACE1981

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that doesnt sound too good no flex would eventually lead to a crack

PROJECT EARTH


#33
Bigdavegrrr

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Yup thats what Im thinking. Crack/failure = no coolant = engine overheat = blown head gasket = cracked head = water in the oil = no lubrication............................................................

Think Ill stick with silicone thanks ;)

#34
freshage

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Oh it's actually glass? I thought it was moulded/polished perspex? lol.

Actual glass in under the bonnet? Get out lol

chris
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#35
Bigdavegrrr

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Acrylic wouldnt take the heat.

#36
freshage

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Not even heat treated or heat proof stuff?

chris
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#37
mattblackone

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Thing that springs to my mind is how long will it be till the coolant turns a murky brown colour

Bill
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#38
freshage

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Thing that springs to my mind is how long will it be till the coolant turns a murky brown colour

Bill


Very good point...

chris
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