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From: eder@ssc-vax.UUCP (Dani Eder)
Newsgroups: net.auto
Subject: Re: Re: re:my car is slower than yours
Message-ID: <323@ssc-vax.UUCP>
Date: Wed, 9-Jan-85 12:47:41 EST
Article-I.D.: ssc-vax.323
Posted: Wed Jan  9 12:47:41 1985
Date-Received: Fri, 11-Jan-85 23:00:06 EST
References: <885@ihuxx.UUCP> <55200126@trsvax.UUCP> <7066@brl-tgr.ARPA>
Organization: Boeing Aerospace Co., Seattle, WA
Lines: 17

> This last weekend's edition of the PBS program "Newton's Apple" had a
> special on the shuttle and the astronaut training program. They mentioned
> the "transporter" which moves the completely-assembled spacecraft &
> boosters from the Vehicle Assembly Building to the launch pad had a
> "mileage" rating of 35 feet per gallon of fuel (diesel, I believe).
> (I believe that this is the heaviest moving vehicle on earth, by the way.)

     The 'Crawler-Transporter' has a maximum speed (unloaded) of 2 mph,
and a loaded speed of 1 mph.  It is powered by two 2750 horsepower
diesel engines, which drive generators that provide electrical power
to the 16 traction motors.  The CT weighs 3000 tons, and the pad and
Shuttle weigh 5500 tons.  Thus the moving weight is 8500 tons.  This
may be the largest land vehicle, but is puny compared to oil tankers
and offshore drilling platforms.  The oil tankers mass 400000 tons
loaded.

Dani Eder / Boeing Aerospace Company / uw-beaver!ssc-vax!eder