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Old Apr 6th 2014, 11:00 AM   #1
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Additional cooling - how and where

Hi folks,

I need to lower the temp om my racebike, witch is close to 100 C in the races.

Any expirence with ordinare oil cooler ? Is there any kit available ?

Bigger or different water radiators ?

Other suggestions ?

I am using watterwetter and are not running the engine to lean ;-)
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Old Apr 6th 2014, 11:06 AM   #2
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Originally Posted by BowHunter View Post
Hi folks,

I need to lower the temp om my racebike, witch is close to 100 C in the races.

Any expirence with ordinare oil cooler ? Is there any kit available ?

Bigger or different water radiators ?

Other suggestions ?

I am using watterwetter and are not running the engine to lean ;-)
SamcoSport 2012-2013 Ducati 1199 / S Panigale Radiator Hose Kit

These may help....

Last edited by Stw; Apr 6th 2014 at 11:22 AM.
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Old Apr 6th 2014, 11:18 AM   #3
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Don't you know fellow forum member Kope? I'm sure he has the most experience here with he and his friends with 1199's making modifications for track-only use in Europe. I have read about aftermarket coolant radiators for the 1199 that are usually the first modification for serious racing.

Good luck and please let us know what modifications you go with.
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Old Apr 6th 2014, 11:33 AM   #4
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Originally Posted by BowHunter View Post
Hi folks,



I need to lower the temp om my racebike, witch is close to 100 C in the races.



Any expirence with ordinare oil cooler ? Is there any kit available ?



Bigger or different water radiators ?



Other suggestions ?



I am using watterwetter and are not running the engine to lean ;-)

Check this out

http://www.febur.it/radiatorducatiracing.html

I have several friends that use this radiator and they are very happy. Kope got it as well.
Thanks from Stw and BowHunter
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Old Apr 6th 2014, 11:39 AM   #5
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That's the radiator I've seen, forgot the name. Thanks Scorpio
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Old Apr 6th 2014, 01:18 PM   #6
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I Ride: '15 1299 Base, '15 R1, '16 Arctic Cat ZR8000RR
100C in race conditions is pretty good IMHO.

Maybe if you throw a few grand at it you might get down to 97 but not much further.
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Old Apr 6th 2014, 02:07 PM   #7
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Originally Posted by fireman1251 View Post
100C in race conditions is pretty good IMHO.

Maybe if you throw a few grand at it you might get down to 97 but not much further.
as far as I know it doesn't go over 75 degrees in the track.
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Old Apr 6th 2014, 04:17 PM   #8
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I Ride: '15 1299 Base, '15 R1, '16 Arctic Cat ZR8000RR
Normal running temps would be between 85C and 95C.
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Old Apr 7th 2014, 07:56 PM   #9
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Actually, you don't need to lower your operating temps.
100C is the boiling temp of water at atmospheric pressure.
The system is pressurized so it can operate higher than the boiling point.
100C is not hot, 140C is hot and almost every air-cooled bike runs there on the race-track.
Air-cooled H-Ds make their best power around 110C.

At the beginning of MotoGP Ducati ran their 880cc engine above 115C so that they could use less cooling air and decreased the drag of their bikes. They had the fastest time at Hockenheim because of that, but the 'underhood' air that leaked out of the fairing caused Capirossi burns on his thighs. They opened the fairings for a bit more cooling air which increased the drag and their top speed dropped several mph but the riders didn't suffer burns.

The higher your coolant temps, the greater amount of heat energy is shed for every cubic foot of air through the fairing. When the coolant temp reaches an equilibrium or constant temp at 100C you are golden.

The point is: 100C ain't hot, worry about something else. Spend that money on track-time.

Doug
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Old Apr 7th 2014, 08:48 PM   #10
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So what's your take on using an oil cooler? I'm in the process of installing one. Worth the cost? I figured it would be a performance gain....am I wrong?


Your point BTW is pretty valid as in my day in MX the air cooled 2 strokes ran hot as hell, but were always faster than the new water cooled bikes.

Originally Posted by moperfserv View Post
Actually, you don't need to lower your operating temps.
100C is the boiling temp of water at atmospheric pressure.
The system is pressurized so it can operate higher than the boiling point.
100C is not hot, 140C is hot and almost every air-cooled bike runs there on the race-track.
Air-cooled H-Ds make their best power around 110C.

At the beginning of MotoGP Ducati ran their 880cc engine above 115C so that they could use less cooling air and decreased the drag of their bikes. They had the fastest time at Hockenheim because of that, but the 'underhood' air that leaked out of the fairing caused Capirossi burns on his thighs. They opened the fairings for a bit more cooling air which increased the drag and their top speed dropped several mph but the riders didn't suffer burns.

The higher your coolant temps, the greater amount of heat energy is shed for every cubic foot of air through the fairing. When the coolant temp reaches an equilibrium or constant temp at 100C you are golden.

The point is: 100C ain't hot, worry about something else. Spend that money on track-time.

Doug
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