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Old 10-10-2013, 08:27 PM   #1
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Wheel Cut

Can anyone help us understand what exactly does a TV's "wheel cut" mean? Also how can I find out what the "wheel cut" for our MY IS? We have a 2014 Thor Motor Coach A.C.E 29.2.

Joe
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Old 10-10-2013, 08:31 PM   #2
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The amount in degrees the front wheels will turn from straight ahead (0 degree).
The more angle they achieve the sharper you can turn the TV.(turning circle)
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Old 10-10-2013, 10:44 PM   #3
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I spent a little time on the Thor website and couldn't find the answer. To find out what the wheel cut is, turn your wheel as far to one side as you can. Measure the angle from center of wheel to center line of the coach.
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Old 10-10-2013, 10:51 PM   #4
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Quote:
Originally Posted by hone eagle View Post
The amount in degrees the front wheels will turn from straight ahead (0 degree).
The more angle they achieve the sharper you can turn the TV.(turning circle)
In addition, the longer the wheel base the more cut and possibly more room you need to make a corner.
Our original front axle had a 50 wheel cut. With the new axle we have a 55 cut.
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Old 10-10-2013, 11:28 PM   #5
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Quote:
Originally Posted by JoeLui View Post
Can anyone help us understand what exactly does a TV's "wheel cut" mean? Also how can I find out what the "wheel cut" for our MY IS? We have a 2014 Thor Motor Coach A.C.E 29.2.

Joe

OK, I'm a bit confused - What is the TV wheel cut? I get in places where I cannot turn around without backing up and cranking the wheels a few times but I don't recognize the term "TV wheel cut".
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Old 10-10-2013, 11:45 PM   #6
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Quote:
Originally Posted by JoeLui View Post
Can anyone help us understand what exactly does a TV's "wheel cut" mean? Also how can I find out what the "wheel cut" for our MY IS? We have a 2014 Thor Motor Coach A.C.E 29.2.

Joe
TV = Tow Vehicle.

The A.C.E. is riding on the Ford F53 stripped chassis.
2014 Ford Stripped Chassis F-53 Class A Motorhome | See All The Stripped Chassis F-53 Class A Motorhome Highlights | Ford.com

While it has a sharp wheel turn angle, having leaf springs prevents the steering from competing with the other rigs that have 50+ degrees of steering angle.

In this link from Freightliner, you see the XC-R has a wheel cut of up to 60* with IFS:
Freightliner Motorhome Chassis ? XC-R Chassis

Wheel base or chassis length has no impact on wheel cut, but a longer RV will have a larger turn radius...that's why deeper wheel cut is so important to the big RV's.

Hope that helps.
Safe travels
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Old 10-11-2013, 12:44 AM   #7
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Understanding Diesel Motorhomes Turning Radius vs Wheel Cut | New Motorhomes & RV Resources

Wheel cut determines turning radius. Info from ThorMotorCoach website.. Diagram applies to 259 inch wheelbase, as Steve discussed above, different wheelbase with same wheel cut will have a different turn radius.
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Old 10-11-2013, 07:13 AM   #8
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JoeLui,

If your unit is built on the F53, the wheel cut is 50 degrees. JM2...
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Old 10-11-2013, 11:38 AM   #9
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Thank you all so very much ! Your input is greatly appreciated especially since we are newbies !!!

Joe
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Old 10-13-2013, 01:46 PM   #10
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I have had trouble getting this from Winnebago and Chevy for our 2007 access 29t on Chevy express frame. I don't see in the frame manual either. I will try to calculate. If anyone knows let me know.thanka
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Old 03-16-2015, 08:28 PM   #11
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Does anyone know the wheel cut for 2004 country coach daVinci (40')
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Old 03-16-2015, 08:44 PM   #12
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Old 03-16-2015, 08:51 PM   #13
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Does anyone know the wheel cut for 2004 country coach daVinci (40')
What front axle does it have? Once you know that you can find it on the Internet. I did that with our 20,000# Reyco Granning front axle.

Turns out our Magna has a 58 wheel cut rather than the 55 I posted earlier, plus the tag lifts so it's as maneuverable as our 41' Dutch Star with it's 55 wheel cut.
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Old 03-17-2015, 06:51 AM   #14
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I watched the "confidence course" video also and really enjoyed it and a lot of good info. We have our first MH a Thor ACE 30.1 and I found it to be a lot more maneuverable and easier to drive than the MH's in the video. I also need to throw in a disclaimer that I only have about 500 miles on the road with any class "A."
One of the first things the video calls to do is check the "blind spot" distance in front of the MH. It gives an average distance as 15 to 17 feet but our ACE measured out to 11 feet. Also from the video; with a 50* wheel cut you need to get the drivers hip line past the objects you need to miss with the turn. with a 45* WC you need to get the front bumper past the same object to make the turn. I never measured the WC but experimented with the two reference points and found if the front bumper is past the object there is plenty of room to make the turn.
I am certainly far from being an expert MH driver but I hope this helps a little. Jim.
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