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Mike the Bike
User Rank
Iron
Re: Object of desire
Mike the Bike   5/25/2012 2:51:59 AM
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Good day Allezw, The real mike Hailwood was a hero of mine and I followed him from the late, early 60's until his untimely death, but I also ride a Ducati and a H-D V Rod so I don't feel too bad about using the "name" . The Rolls-Royce phrase I used, was created long before "super cars" were born, it comes from the early days of Rolls-Royce, when they were quite likely the most expensive cars on the planet. You might say the Silver Ghost was a super car of it's time. Here's another "Rolls-Royce" story you might like. Have you ever heard of the Brough Superior Motor Cycle, well Brough used the term "The Rolls-Royce of Motor Cycles". Henry Royce (the engineer) sent a R-R person to inspect the bikes. Shortly after, R-R issued a statement, that they were happy for Brough to use the term. Can you imagine that now in the PC age, I can't. I think you missed the point of my reply really, I wanted to correct the misleading caption of the F1 engine.

Allezw
User Rank
Iron
Thermal differentials for Interference fits
Allezw   5/24/2012 11:36:38 PM
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Wonderful thing about rings, such as a valve seat. They expand and contract circumferentially as well which makes such details easier to slip into an interference fit whether the the detail is heated or cooled depending on the application. A long rod will gain or lose more in length than a cube of the same volume.

Allezw
User Rank
Iron
Re: Object of desire
Allezw   5/24/2012 11:28:40 PM
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If memory serves well, the Testa Rosa was a four banger Ferrari sports car from the early fifties. The V8s are flat crank and shakers. That's the reason the four pipes on that bank in the illustration are joined instead of splitting and crossing over. There is no two-plane beat, either. You have to run a lot of pipes to get the same inline eight sound from a two-plane crank.

Allezw
User Rank
Iron
Re: Object of desire
Allezw   5/24/2012 11:09:51 PM
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Mike: (Formerly Mike Hailwood in another life?) You're paraphrasing. It was John Pierp;oint Morgan resp;onding to a query about the upkeep cost of a yacht. And a Rolls Royce is actually cheaper than the greater lot of super cars. 

Charles Murray
User Rank
Blogger
Re: Object of desire
Charles Murray   5/24/2012 7:53:02 PM
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You are correct, Mike The Bike. See below.

http://www.wired.com/autopia/2012/04/ferrari-flagship-hybrid/

 

kf2qd
User Rank
Platinum
Re: Liquid nitrogen boils at minus 196 Celsius
kf2qd   5/24/2012 11:44:50 AM
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And did you notice that the "volume " of the seat changes in MICRONs and the "volume" of the head changed in MM squared...

 

Actually it is a linear shrikage in each, with the hardened seats shrinking (in all dimensions) and the heated aluminum head expanding. Not an unusual practice when installing valve seats in any engine head, same process is used in cast iron heads also.

PizzaEater
User Rank
Silver
Liquid nitrogen boils at minus 196 Celsius
PizzaEater   5/24/2012 10:28:56 AM
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I assume you meant the valve seat is cooled with liquid nitrogen to minus 196 Celsius.

Mike the Bike
User Rank
Iron
Re: Object of desire
Mike the Bike   5/24/2012 10:25:59 AM
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The "hybrid" car you are referring to is the Enzo replacement I think. Some prototypes are due out early next year, or a little before that. The technology is supposed to be similar to the formula 1 KER's unit, but I can't comment on that. F1 (racing) cars use regenerative energy (KER's) to charge batteries, these can be discharged directly into the crankshaft via a motor generator unit to enhance the powewr for over taking, but only at a specific rate of discharge. On to the article. Alas the engine on the first page of the article is a V8 and not as labled a V12, also it's a formula 1 motor and not a road car engine as the title leads the reader to belive. Having said that, it's interesting to read an "outsiders" perception of what Ferrari is like. Oh and if you have to ask how much the new Enzo costs, you'll get the Rolls-Royce answer; "if you have to ask, you probably can't afford it."

Beth Stackpole
User Rank
Blogger
Re: Object of desire
Beth Stackpole   5/24/2012 7:37:18 AM
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A Ferrai hybrid--that's something to see. I can admire the beauty and history of the cars and while not a car enthusiast, I can see where the elegance and power of the engine design would be an allure. Still, the Ferrai and all of these out-of-reach (sorry guys) performance cars seem a little over done.

Charles Murray
User Rank
Blogger
Re: Object of desire
Charles Murray   5/23/2012 8:56:53 PM
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Maybe I missed it in the story, Beth, but I believe Ferrari is developing a 900-HP, V-12 hybrid. I don't know if that will be considered "sustainable'...

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