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[VAC] Re: Grade %
I've come up with a simpler version:
1% grade: Overdrive transmission should be shifted out of overdrive
3% Suburban no longer able to maintain 95 MPH while towing 31'
Airstream uphill
5% Suburban begins to slow down to speed limit
10% Suburban doing some serious work - Big Mac starts to slide off
seat
12% Transmission reaching maximum operating temperature
15% Suburban has to downshift into second gear
...unless it's a 454, in which case it can't go
95 MPH anymore.
16% Calculator (or slide rule) used to figure out degrees and radians
of slopes slides off seat.
17% Wife says "Why can't you ever stop and ask directions ???"
18% Transmission bursts into flames
20% Dodge Cummins pick-up starts to slow down
25% Chunks of pavement start tearing out and flying backward under
Suburban wheels.
30% You've just made Wally Byam proud!
Does this help ??