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YOOO John! I hear ya.
The fun part of all this , is that we get a chance to say something to each
other anyway. Somewhat similar to the diatribe I did on the
compass, for the New Englander who pointed the car North, and then backed
up for a mile. Only in Basten. eh???. Donnie.
----- Original Message -----
Sent: Tuesday, December 17, 2002 10:06
PM
Subject: Re: Puzzler of the week
Thanks Bro, I contributed that far fetched
description of a brake system to see if anyone would take the bait but no one
did. Ha. John
At 12:15 AM 12/18/2002, Tonie
& Don wrote:
Wow John.!!!!!
This is a
much better answer to the puzzler than the one you gave us for the brake
failure below. heh. heh. love ya.
Donnie.
----- Original Message -----
From: Jo & John
MacLean
To: [EMAIL PROTECTED]
Sent: Tuesday, December 17, 2002 2:04 PM
Subject: Re:
Puzzler of the week
It would take 3 hours to travel 120 miles at 40
miles per hour, ie; 120 divided by 40. It would take 2 hours to travel 120
miles at 60 miles per hour ; ie' 120 divided by 60. The correct
total time is 5 hours for the trip.
At 02:49 PM
12/17/2002, Scott MacLean wrote:
This week's
puzzler:
There was a young gal who had a few bad accidents.
So, her grandmother decided to give her an unusual gift: a large sum of
money with which she was to buy a brand-new Volvo -- a nice, safe
car.
There was one condition, however. When she got the car,
grandma wanted to see it to make sure that she didn t take the money and
go out and buy a Firebird.
So, on the first available Saturday
she decides to drive to grandma s house, which is 120 miles away.
Because she s not particularly eager to get there, she gets on the
highway and sets the cruise control for 40 miles an hour.
She
drives 120 miles to grandma s house. Her new car has a little computer
that tells her that her average speed is 40 miles an hour.
She
gets there, shows grandma the car and leaves. On the way back, she s
eager to get back home because she wants to get to the tattoo parlor
before it closes. She sets the cruise control for 60 miles an
hour.
She travels the same road and the same 120 miles. When she
gets home, she does a little figuring. She says, "I drove 120 miles up,
120 miles back, or 240 miles. I drove 40 miles an hour up, and 60 miles
an hour back, so my average speed was 50 miles an hour, and it should
have taken me 4.8 hours.
"But it took me 5 hours!"
How can
that be?
Last week's puzzler:
A schoolteacher had
taken his car into us, and we had done a lot of brake work on it. He
came in one day and said, "I'm kind of disappointed. Now that the
academic year is over, I've been doing a lot more driving. During the
school year, I drove back and forth to school, and everything seemed
fine. Now I'm on summer vacation, and I've been taking a lot of long
distance trips.
"I've noticed that if I'm driving on the highway
for any period of time, when I get off the highway I often lose the
brakes. I step on the brakes and they sink to the floor."
So, we
put the car on the lift and we pulled off the wheels. We went over
everything we had done to the car, checking to see if the calipers were
free, the brake hoses free. Everything was fine.
Crusty,
meanwhile, was just sitting there in the inky shadows not saying a
thing. Finally, after we determined there was nothing wrong with the
brakes, Crusty said, "When did you have the exhaust system replaced?"
The fellow says, "As a matter of fact I did have it replaced --
just before the end of the school year."
Crusty says, "That's
the problem."
And that's the question.
How in the world
could someone's exhaust system affect his brakes?
Last week's
puzzler answer:
What Crusty knew was that we had eliminated
everything else. And without even looking, he knew that the people who
put the muffler in the exhaust system had done something awful. They had
put the exhaust pipe touching one of the brake lines. Now exhaust
temperatures can run upwards of 500 degrees. And brake fluid boils at
something less than 300 degrees. This was a recipe for disaster.
So when he drove the thing, it sustained high speed in the
summer. The exhaust system got that brake line really hot and the brake
fluid turned into a vapor and made the pedal sink to the floor. And, of
course, by the time we got the thing, everything was cooled off and
worked normally. But when it was hot, it would fail because the brake
fluid had turned to vapor. And, as we know, vapors are compressible and
liquids ain't very.
_______________________
Scott
MacLean
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