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Old 03-07-2010, 04:19 PM   #21
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Angel's Avatar
Join Date: Jun 2008
Posts: 482
Re: Tip over point

When I took Badlands off road Adventures, 4X4 class, Tom Severin, owner and trainer, had each of us put our vehicles at 30 degrees to show us that we would not tip over. My SMB was solid even with the cruiser top.


2008 SMB E350 EB V10 White with Cruiser Top; EB-17 modified floor plan; Salem Kroger 4X4;
285/75/17E tires; Named: "The Lighthouse"
2000 Isuzu Rodeo V6 4WD
2006 Chalet LTW 15ft. Folding Travel Trailer 14 in. tires
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Old 03-07-2010, 05:35 PM   #22
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Location: Newark, CA
Posts: 795
Re: Tip over point

With a 67" wheelbase, a 30 degree angle equals a rise of 38"... (Tangent of 30 degrees = Rise divided by Run therefore Rise=tan 30 degrees x 67")...

'01 Ford EB50p Quigley 4WD
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Old 03-27-2010, 04:44 PM   #23
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Location: Pacific Northwest
Posts: 378
Re: Tip over point

I'm thinking you can apply the radius x sin of the angle to get at the added height your center of gravity will attain when tilted.

Applying that gives me 16.75" using a rear track width of 67" (assuming the center of gravity is at 33.5" horizontal). When added to an E250 2WD van's vertical center of gravity (without conversion) of 32" you get 48.75". After conversion, my van's vertical center of gravity will be 38" off the ground, so it's event worse at 54.75".

30 degree tilt is making me nervous just thinking about it...

2010 Ford E250 5.4L V8 Gas 2WD
SMB Mod RB36 w/PH Prop Stove & Furn Frig 10G Wtr Elect
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