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Old 09-30-2014, 08:00 AM   #1
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Allegro Red 33AA Wheelbase

I am considering purchasing a Tiffin Allegro Red 33AA. I've read that I should avoid MHs with a wheelbase to length ratio <50% (preferrably >54%) due to handling problems with the shorter wheelbase. This model has a short WB with a ratio of about 47%. Can anyone tell me their experience with this model, or comments in general about this guideline for a 34 to 40 ft MH?

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Old 09-30-2014, 09:06 AM   #2
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Asked and answered, I think. Consider the ride you get in a Jeep compared with a Town Car. Car compared to Motor Home. Go-Kart compared to Jeep, etc.

You can stiffen up a coach's ride to a point. If you aren't planning on placing a whole lot of miles on the coach (and most of those on the highway), then IMO it's more of a want than a need.

To get specific, I haven't seen any coaches with numbers in the mid 40s (nor am I an expert). There's a current thread about Monaco Cayman handling, and their ratio is right at 50%

Rick and Sandy
2003 American Eagle, 46K miles
...from Sept 2015
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Old 09-30-2014, 05:10 PM   #3
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I'm not one to call the 50% rule a hard & fast one, but 47% strikes me as just plain asking for handling issues. That coach has to have long overhangs in front and rear to fit on such a short chassis, and those are troublemakers regardless of total length. It also suggests that Tiffin may have extended the chassis a bit to handle the overhang, and chassis extensions are often lighter duty than the main structure.
Gary Brinck
2004 American Tradition; 2014 Buick LaCRosse
Homebase in the Ocala Nat'l Forest near Ocala, FL
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