Yahoo Message Number: 18593 (http://groups.yahoo.com/neo/groups/Country-Coach-Owners/conversations/messages/18593)
Good morning all,
I am comparing the 2000 Single axle 40 ft coach with 2006 42 ft coach with TAG axle, both using a Cummins engine.
If I take the raw numbers (see below) it looks like the 2006 is way underpowered compared to the 2000 because of the additional weight penalty.
Is this really so or am I missing something? I do not have Torque curves or gear ratios available to compare, maybe that is where the 400 makes up the difference and of course the mpg is probably 6 compared to 8.
Any words of wisdom from the group? Anyone made this switch to a larger coach and if so any observations?
Thanks in advance, David.
HP TORQUE GCWR WT/HP RATIO
2000 Intrigue Cummins 350 1050 #/ft 32000 # 91.43
2006 Allure Cummins 400 1200 #/ft 55000 # 137.50
Percent change +14.28% +14.28% +71.87%
David & Karen
2000 Intrigue 11062
40 ft Single slide. PT
2002 Odyssey TOAD
Yahoo Message Number: 18595 (http://groups.yahoo.com/neo/groups/Country-Coach-Owners/conversations/messages/18595)
David,
To me it looks like your 2000 Intrigue GCWR number is low. But your basic concept is no doubt correct. In school, one of the first dynamic formulas that they drilled into us was F=m(a) (or Force equals Mass times Acceleration). So as your mass goes up, you'll need more force to maintain the same rate of acceration.
Weight vs. Power is everything, especially when climbing hills. I recently drove a used 38' triple slide 2004 Monaco Diplomat. I believe that it had a 350 Cummins ISC. Gosh was I disappointed after that test drive. It was lazy and underpowered. It probably weighed in the neighborhood of 30,000 lbs. But my old 36' '95 Intrigue (Probably 26,000 lbs) with a stock 300 Cummins could have run away from that Monaco. I also drag race a Super Comp Dragster. Power to weight is key. If I want to accelerate faster? I'll need to trim some lbs or increase the power. But keep in mind....if you want more power, you'll have to burn more fuel. I met a guy sporting a 45' Monaco with a 500 HP Detroit in it. He said he could fly up any hill at 65, but he only got 4.7 mpg. The choice is clearly yours.
Hope that helps.
Mike
'95 Intrigue 10061
Yahoo Message Number: 18614 (http://groups.yahoo.com/neo/groups/Country-Coach-Owners/conversations/messages/18614)
You have to feed the monster......more weight, more power, more fuel.
Jim hughes
2000 Allure #30511
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