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Re: Mercedes 300 SLs and several related items

To: <FastmetalBDF@aol.com>
Subject: Re: Mercedes 300 SLs and several related items
From: "John Beckett" <landspeedracer@email.msn.com>
Date: Fri, 28 Jul 2000 17:35:06 -0400
    Bruce

"....... in fact, I have heard a few references to the fact that it was the
WW
II German fighter planes that first used NITROMETHANE in an engine !!!"

I think the Germans were the first to use 'Nitrous Oxide' rather than
nitromethane in their aircraft.

    John Beckett

----- Original Message -----
From: <FastmetalBDF@aol.com>
To: <OHFASTONE@aol.com>
Cc: <speedtimer@earthlink.net>; <boogiewoogie12@hotmail.com>;
<34ford@email.msn.com>; <land-speed@autox.team.net>
Sent: Friday, July 28, 2000 5:10 PM
Subject: Mercedes 300 SLs and several related items


>        Mike, list :    Your mention of seeing a 300SL coupe in LA
reminded
> me of
> one I saw parked at a sports car shop on Hollywood Blvd. way back in 1957
> .......
> It was actually flame painted !!!   Many die hard Mercedes or sports car
> lovers would
> view that as sacrilege, I am sure, but be that as it may, the flames were
one
> of the finest examples of the art I have ever seen, and I am almost
certain
> they were done
> by the very well known West Coast striper and painter Von Dutch .  This
car
> would turn heads anywhere at any time !    I still have several photos I
took
> of this
> flamed gull wing, with my first ( box ) camera,somewhere in a shoebox .
>       The last time I saw a 300 SL on the road was back in the 80s, and
that
> one was
> riding on a flatbed truck, and in need of much restoration, heading over
the
> Tappan Zee Bridge into New York State .   300 SLs on the highways around
this
> part of the country are about as common as the old Citroen " traction
avants
> " that always
> reminded me of a sectioned '34 Ford sedan  ...... or as hen' s teeth .
>       I took a look in my book on Mercedes and came up with several specs
on
> the
> 300 SL  version produced in 1955  .........
> The coupe weighed 1020 kg ( 2249 lb ), had a triangulated light tubular
space
> frame,
> coil front and swing axle rear suspension, finned drum brakes all around,
and
> steel disc wheels with knock off hubs ( I never knew that ).   The tranny
was
> a close ratio four speed, as Glen Barrett must remember, and the clutch
was
> an F & S dry plate unit .  The 6 cyl engine, laid over to the left to
attain
> a low hood ( bonnet ) line, was Bosch fuel injected, unlike the first 300
SLs
> in 1952 which had three Solex downdraft carbs which gave 175 horses at
5200
> rpm ( ..... always thought that multiple side and downdraft carbs looked
SO
> COOL ! )  The injectors, developed by Daimler for their early aircraft
> engines, were refined over the years and produced 215 horses at 6200 rpm
on
> this '55 model .  Daimler had built the engines for the ill fated
Hindenburg
> and Graf Zeppelin airships of the 30s ....... these were 88 litre V16
> Diesels, and later 20 cylinder versions gave 2000 hp unblown, and at least
> one was built with a supercharger ..... it banged out over 2500 brake
horse
> power !!!
>     This street coupe had an 85 mm x 88 mm bore / stroke for a total of
2996
> cc
> ( you figure out how many cubes ...... something like 61+ cc' s per cube,
I
> think )
> and had a chain driven overhead cam with 2 valves only per cylinder, and
8.55
> to 1 compression ratio .   Unlike many of the pre war Mercedes Grand Prix
> cars,
> these engines did not have desmodromic valve gear ( valves opened AND
CLOSED
> by a camshaft ), double ohv cams, or separate cylinder casings WELDED
> together,
> and to a block holding the crank .  Many years of racing ( land / water /
air
> ) and engineering expertise went into designing and building these
fabulous
> cars .......
> in fact in 1939 an inverted liquid cooled V12 Daimler Benz engine making
2770
> hp
> at 3100 rpm powered an ME 209 fighter plane to a speed of 755.1 km / h,
which
> is 470 mph for those of us on this side of the Pond ........  this world
> record stood
> for 30 years ....... although some Allied aircraft may have equalled this
> speed during the war years , with turbocharging and fuel injection and the
> use of special fuels
> ....... in fact, I have heard a few references to the fact that it was the
WW
> II German
> fighter planes that first used NITROMETHANE in an engine !!!
>      Yes, the fabulous 300 SLs of the fifties : rare, exotic, unbelievably
> expensive,
> hard to find parts for ( ??? ) and unattainable for most of us .........
> all in all, one helluva automobile !!!   This for 4400 British Lbs in
1954 -
> 55  .
>       I would bet there are a few folks on this list who have worked on
them
> .......
> do we have any ex or present owners ?  We know at least one person here
> got to drive one ...... At SPEED !!!   ........ Lucky, Lucky man !      I
> almost left out
> the top speed listed in the book :  0 to 60 in 7.2 secs and 265 km / h
.....
>  ( that's 165 MPH over here ) ...... NICE street car in 1955 ...... or
> ANYTIME !!!
>               ....... History lesson's over  !        Bruce




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