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Buell Forum » 1125R Superbike Board » Archives 001 » Archive through January 12, 2011 » Ducati Diavel « Previous Next »

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Tbowdre
Posted on Friday, January 07, 2011 - 01:04 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Cycle World author Steve Anderson mentions Buell a couple of times in his review of this bike. Particularly with regard to tuber design and..... drum roll.... air flow through the 1125R radiators pushing air toward the engine as a good thing.!

where were all the props 2 years ago? better late than never i suppose

todd
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Zacks
Posted on Friday, January 07, 2011 - 01:28 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Didn't Steve work for Buell as a Platform Director?
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Thefleshrocket
Posted on Friday, January 07, 2011 - 01:40 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Why would pushing air through the radiators to the engine be a good thing? Hot air onto the engine goes against the "cool air makes more power" practice. The Barracuda, with its reversed radiator airflow (compared to the 1125s) ought to cool the coolant in the radiators better and keep the engine running cooler overall.

The Diavel is kind of growing on me. It won't ever be on my "to buy" list as pretty much any new Ducati is just way too much money for me to justify (or afford) spending, but I think it's something I'd probably enjoy riding.
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Rogue_biker
Posted on Friday, January 07, 2011 - 03:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Hot air flowing from the radiator to the engine is not an issue with liquid cooled engines. If you think about it, automotive engines with their electric fans push hot air through their radiators and back across the engine bay in a near sealed compartment for years.

Buells design aim was to push air through the rads, the back out into the engine, and back out through the rear wheel opening, mixing with cooler air from the outside and dissipating the heat.

Since the 1125R does not have an enclosed engine, this works. On the Barracuda, they reversed the airflow only because they didn't have the pods anymore.

Either direction works just fine as long as engine coolant temperature never go beyond 225-230 degrees.
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Nattyx1
Posted on Monday, January 10, 2011 - 02:43 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yes, steve anderson worked for Buell...he was the platform director on the platform you ride if you're in this part of the forum.
He's also a genius (full-on MIT grad rocket scientist). So when he says something about how something works, you'd better have a full staff of numbercrunchers backing you up if you're thinking of disagreeing.
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Court
Posted on Monday, January 10, 2011 - 07:48 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Dats a fak Jak . . . . in addition there was about 3 years of exhaustive (keen mines will appreciate the pun) research and CFD work put into the airflow.

Steve is the embodiment of true intellectual firepower and he was working with about 6 folks who were his equal.

Cool beans.
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Ducxl
Posted on Monday, January 10, 2011 - 07:59 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Just wait until you guys' see the 2012 Ducati 1198 superbike exhaust.

Also,we learn Ducati is also going to be manufacturing "end product" in Thailand for "asian markets" to avoid import duty.
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Boogiman1981
Posted on Monday, January 10, 2011 - 08:01 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

i'm digging the look of the Diavel quite a bit. just wish i could buy one until then i'll just drool on the magazines
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Thefleshrocket
Posted on Monday, January 10, 2011 - 04:52 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Okay, so if I accept on faith that the "air through the radiators over the motor" is a "good thing", can someone tell me exactly why it is?
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Tbowdre
Posted on Monday, January 10, 2011 - 05:01 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

according to the article its more aerodynamic





at greater than 150mph! LOL

: )


todd
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Cowboytutt
Posted on Monday, January 10, 2011 - 09:22 pm:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

Yeah, no kidding! At 150 its hard to stay on even sitting up on a faired Hayabusa much less my CR which probably won't go that fast anyhow!!! Don't ask me how I know this, I will lie, deny and counter-accuse!

-Tutt
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Dktechguy112
Posted on Tuesday, January 11, 2011 - 12:14 am:   Edit Post Delete Post View Post/Check IP Print Post    Move Post (Custodian/Admin Only) Ban Poster IP (Custodian/Admin only)

The Cr will hit 155 mph, I haven't personally hit it, but I know someone that has.
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