| [ Total Views: 861 | Total Replies: 13 | Thread Id: 52872 ] |
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 68AutoBug
A.k.a.: Lee Noonan
Aircooled Master
Beetle Restorer - Experience over 138% - YIKES --
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 posted on June 2nd, 2006 at 01:08 PM |
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No Slip Fan Belt -- YIKES --- Don't do this ??
This fellow may have had a slipping fan belt....
but No Longer....:o:o
Very heavy chain and not even oiled......
Bad Move....
Lee
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- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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ColumBUS
A.k.a.: The Liquid Chef
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| posted on June 2nd, 2006 at 01:24 PM |
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oooh ouch!
why???
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68AutoBug
A.k.a.: Lee Noonan
Aircooled Master
Beetle Restorer - Experience over 138% - YIKES --
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| posted on June 2nd, 2006 at 01:29 PM |
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It probably works OK....
but I don't like it......
Timing chains used to be used in many engines...
Now replaced by belts....
but the chains were running in oil.....
Sizes of [pulleys] sprockets are different too....
Lee
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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Andy
Son of Jim - Creator of Good
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| posted on June 2nd, 2006 at 01:42 PM |
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looks like an unusualy mod for sure, I'd hate to think of the bearing load from that chain once it wears a little. Maybe he's driving more than the
alt. and fan from that shaft?
How do you adjust it?
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68AutoBug
A.k.a.: Lee Noonan
Aircooled Master
Beetle Restorer - Experience over 138% - YIKES --
Posts: 11654
Threads: 449
Registered: August 31st, 2002
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| posted on June 2nd, 2006 at 01:48 PM |
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It looks like the alternator base is home made....
where does He put the oil in???
it looks like a type 1 engine....
Lee
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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empi
A.k.a.: Empstar
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| posted on June 2nd, 2006 at 01:50 PM |
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Small bottom pully.... :duh
Could be a tuff mod for a tuff Ratt
"If at first you don't succeed, skydiving is not for you." - Anonymous  |
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VWCOOL
23 Windows of Awesome
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| posted on June 2nd, 2006 at 09:37 PM |
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Nice tinware!
Pay your debts, CxxT
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type3lover
A.k.a.: The Smashed Repairer
Insano Dub Head
in the garage...
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| posted on June 2nd, 2006 at 10:40 PM |
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a reliable mod? "Tell him he's dreaming!"
.
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Matt Ryan
A.k.a.: Matt Ryan
Fahrvergnugen
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| posted on June 3rd, 2006 at 07:37 PM |
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I wouldn't like to be near it when it eventually (& inevitably) decides it's had enough and takes a flying lesson!!!!
Matt.
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bajachris88
A.k.a.: Chris Leete
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| posted on June 3rd, 2006 at 08:08 PM |
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WAIIITTT.
I read somewhere in some mechanical engineer's thesis about playing with vw and fans and cooling and belt slippage, that the fan only has a certain
Max threshold area of 'spin-age' handling before it starts busting apart. Tis y u want to preserve fan belt slippage to some degree.
I would imagine this mod will have a different fan, modified fan otherwise it will die pretty quickly from what i read. Surely would creat some
interesting pressure. a fan spinning around 1000 to 3000 revs. or greater :o
Clean out the heater channels Haha.
(ô_!_/ô) (ô_!_/ô)
69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears. 
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta! |
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71superbug
Custom Title Time!
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| posted on June 4th, 2006 at 04:51 PM |
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the new ba xr8's come with timing chains...although they are greased as mentioned above.
Anthony
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68AutoBug
A.k.a.: Lee Noonan
Aircooled Master
Beetle Restorer - Experience over 138% - YIKES --
Posts: 11654
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| posted on June 4th, 2006 at 05:08 PM |
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| Quote: | Originally
posted by bajachris88
I read somewhere in some mechanical engineer's thesis about playing with vw and fans and cooling and belt slippage, that the fan only has a certain
Max threshold area of 'spin-age' handling before it starts busting apart. Tis you want to preserve fan belt slippage to some degree.
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You can usually tell when a fan belt is going to break, as they 'normally' crack etc a long time before they break...
I see a lot of High Performance motors in the US run an idler pulley on the belt to prevent slippage and have the 'normal' VW fan welded to prevent
it falling apart at high revs....
Lee
- [size=4]Helping keep Air Cooled VWs on the road - location: SCONE in the Upper Hunter Valley - Northern NSW 320 kms NNW of SYDNEY--- [/size]
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bajachris88
A.k.a.: Chris Leete
23 Windows of Awesome
The international telephone dialing code for Antarctica is 672.
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| posted on June 4th, 2006 at 05:13 PM |
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just don't go putting your finger in there
(ô_!_/ô) (ô_!_/ô)
69' baja: kombi box, thing spindles, irs, disc front, type 3 rear drums, 2 inch lift kit, 31x10 rears.
New engine in process: 94mm p&bs, 74mm C/w chomol Crank, 35.5x39 SP heads, turbo. Wierd combo, hopeful torque monsta! |
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Andy
Son of Jim - Creator of Good
Andy's Adventures
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| posted on June 8th, 2006 at 03:00 PM |
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Oh dear, poor Wes would have a heart attached reading a quote like this!
Note the gearing, 1:1, it already spins much slow than stock, belt slip is to do with power being drawn by the fan being higher than what he belt can
transmit, I don't think it's "designed that way" as there are way to many variables in service to determine exactly when it will slip.
| Quote: | Originally
posted by bajachris88
WAIIITTT.
I read somewhere in some mechanical engineer's thesis about playing with vw and fans and cooling and belt slippage, that the fan only has a certain
Max threshold area of 'spin-age' handling before it starts busting apart. Tis y u want to preserve fan belt slippage to some degree.
I would imagine this mod will have a different fan, modified fan otherwise it will die pretty quickly from what i read. Surely would creat some
interesting pressure. a fan spinning around 1000 to 3000 revs. or greater :o
Clean out the heater channels Haha.
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