[DeTomaso] speaking of wheels falling off---

Mon Aug 23 20:39:09 EDT 2010

The car hitting a flying tire is a little different, simply because the tire went through the windshield.

If the car hit a tire head-on, it should be the same as hitting a brick wall - assuming the masses are the same.  In other words, if you hit a tire head-on that had the same kinetic energy as your car, it would be just like you hit a brick wall.

The tire going through the windshield would be the same as hitting a brick wall, but it would be in your face.  Not pretty.

-----Original Message-----
>From: Tony DiGiovanna <tonydigi at optonline.net>
>Sent: Aug 23, 2010 5:45 PM
>To: 'Will Kooiman' <wkooiman at earthlink.net>, detomaso at realbig.com
>Subject: RE: [DeTomaso] speaking of wheels falling off---
>
>The car hitting tire, each at 60mph, is the same as car-still and tire at
>120, or tire-still and car at 120.
>
>It's just not the same as either hitting a wall at either speed.
>
>
>-----Original Message-----
>From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
>Behalf Of Will Kooiman
>Sent: Sunday, August 22, 2010 9:17 PM
>To: detomaso at realbig.com
>Subject: Re: [DeTomaso] speaking of wheels falling off---
>
>Slightly off topic, but a head-on collision isn't car1 speed + car2 speed.
>
>60mph car head-on with 60mph car isn't like hitting a wall at 120mph.  It
>was proven very dramatically on myth busters.
>
>I believe it's more complicated than that.  It's has to do with the total
>force.  Car1 speed * car1 weight + car2 speed * car2 weight = total force.
>
>Force applied to car1 = total force/car1 weight.
>Force applied to car2 = total force/car2 weight.
>
>It they're both going 60mph and they're both the same weight, it's just like
>they both hit a wall going 60mph.  (assuming they head dead-on, glancing
>blows change everything)
>
>If car1 is 3,000 lbs and car2 is 30,000 lbs (big rig), car1 is going to be
>much worse than head-on, and the 18-wheeler will have much less damage.
>
>I just made up those formulas, but I bet they're correct or at least close.
>
>BTW, the wheel that went through the windshield was probably going
>effectively 120mph, simply because the windshield wouldn't have slowed the
>tire down much at all.
>
>-----Original Message-----
>From: detomaso-bounces at realbig.com [mailto:detomaso-bounces at realbig.com] On
>Behalf Of boyd casey
>Sent: Sunday, August 22, 2010 7:11 PM
>To: Art Stephens
>Cc: JDeRyke at aol.com; detomaso at realbig.com
>Subject: Re: [DeTomaso] speaking of wheels falling off---
>
>I have heard of several incidents where wheels came off of vehicles and the
>vehicle that lost the wheel did ok but the errant wheel killed the driver of
>the car it hit. This has happened more then once in recent memory. The one I
>remember more clearly the wheel cam e off a car on an interstate and crossed
>the median. As you know the speed in a head on is car +car b + speed of
>impact so a car traveling at 60 mph and a loose wheel traveling at 60 mph
>and bouncing through the windshield and landing smack in someones lap at 120
>mph effective speed, it's not a pretty picture!. When I was in college
>(Loyola in New Orleans) I was driving a VW "Super Bug" from my fathers Ford
>dealerships used car lot when I noticed a VW wheel Passing me on the left!
>The  left rear wheel came off and  the next thing I knew I was sliding to a
>stop and the wheel was making great time on it's own! Luckily it didn't hit
>anyone. I was always having problems with the cars that I was given to drive
>from the cheapest used car inventory. And every time I had a problem I got
>downgraded to an even cheaper car until finally I was relegated to the
>status of pedestrian!
>Boyd
>
>On Sun, Aug 22, 2010 at 6:43 PM, Art Stephens
><artstephens at verizon.net>wrote:
>
>> When I crashed my car,  one of the rear wheels with broken upright,  half
>> shaft and disc brake assembly attached,  was found days later in a gully
>> about a quarter mile past the car!
>>
>>
>>
>>
>> ----- Original Message -----
>> From: <JDeRyke at aol.com>
>> To: <detomaso at realbig.com>
>> Sent: Sunday, August 22, 2010 12:15 PM
>> Subject: Re: [DeTomaso] speaking of wheels falling off---
>>
>>
>> > I've also had a 'memorable' experience with OTHER PEOPLE'S wheels
>falling
>> > off. Commuting to work one morning in N CA in my modified Corvair, a
>> > cement
>> > pumper truck on its way to a job site broke a rear axle flange off,
>> > freeing a
>> > gigantic 'flotation' tire, wheel & brake drum at 50 mph on the freeway.
>> He
>> > was some ways behind me and I saw the accident in my mirrors, but as
>race
>> > announcers say, in heavy traffic 'I had nowhere to go' except to lean
>> > away.
>> > The 250-lb assembly bounced off guard rails and hit my drivers door a
>> > glancing
>> > blow that knocked the 2500-lb car sideways half a lane, in spite of the
>> > traction from the same size tires I run on the Pantera. The wheel
>finally
>> > stopped in the median-strip Oleander bushes. Lucky me- I was the only
>car
>> > it hit!
>> >  The dent in my car was a foot deep but luckily was confined only to the
>> > door.
>> > A gigantic traffic jam occurred between my banged up car and the
>concrete
>> > truck tipped at an angle across 2 lanes. Once he saw I wasn't hurt or
>> > angry,
>> > the truck driver (also the business owner!) was very apologetic but was
>> > MUCH
>> > more worried about the full load of concrete he was to have processed,
>> > rapidly setting up behind us in a second truck (pre-cell phone days). 2
>> > hrs
>> > later I drove the beat up car into work and got no crap about being
>late.
>> > His
>> > business insurance bought me a new door and a full paint job. FWIW- J
>> > DeRyke
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