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Tag axles.
04-12-2012, 10:00
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#1 (permalink)
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Funster
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Tag axles.
The term "tag axle" as applied to MHs is not strictly true.
Way back when articulated lorries (as they were then known) only had two axles on the tractor unit, and the gross weight limit was increased if you had three axles, a third axle was added behind the drive axle. This could usually be lifted when travelling empty, for economy reasons, and was referred to as a tag axle because it had been "tagged" on at the rear.
Soooooo............
In the case of many of todays three axle MHs, which are usually front wheel drive, the rear two axles are drag axles and not tag axles, as they are not tagged on, but purpose built.
Anorak moment over and waiting to be shot down 
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04-12-2012, 10:11
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#2 (permalink)
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Funster
Funster No : 5089
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I've come across that logic before.
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04-12-2012, 10:12
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#3 (permalink)
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Funster
Funster No : 6422
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All rear axles on front wheel drive vehicles are "drag axles" 
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The drive is the adventure! The destination is just to get fuel.
Quality is remembered long after the price is forgotten.
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04-12-2012, 10:13
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#4 (permalink)
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Funster
Funster No : 19259
Join Date: Dec 2011
Location: Stokesley, North Yorks
About Me: Happily married, ex army (Royal Engineers), worked mainly in heavy haulage.
Interests: Football, m/bikes, traction engines
MH Type: Lo-line C Class
MH Model: Autotrail Comanche
Years Motorhoming: In our 2nd year. Had caravans and VW campers
Posts: 1,158
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Quote:
Originally Posted by Snowbird
All rear axles on front wheel drive vehicles are "drag axles" |
Yes, that is what I am trying to say really. 
__________________
The man who has never made a mistake has never made anything.
Treat life like a dog does. If you can't eat it or play with it, p**s on it.
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04-12-2012, 10:14
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#5 (permalink)
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Funster
Funster No : 14648
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Why don't we have 'proper' RWD tag axle vans?
I'd buy one!
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04-12-2012, 10:16
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#6 (permalink)
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Funster
Funster No : 19259
Join Date: Dec 2011
Location: Stokesley, North Yorks
About Me: Happily married, ex army (Royal Engineers), worked mainly in heavy haulage.
Interests: Football, m/bikes, traction engines
MH Type: Lo-line C Class
MH Model: Autotrail Comanche
Years Motorhoming: In our 2nd year. Had caravans and VW campers
Posts: 1,158
Thanks: 175
Thanked 180 Times in 160 Posts
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Quote:
Originally Posted by jonandshell
Why don't we have 'proper' RWD tag axle vans?
I'd buy one! |
Probably to do with floor/overall height and prop shafts/axles getting in the way of current floor layouts.
__________________
The man who has never made a mistake has never made anything.
Treat life like a dog does. If you can't eat it or play with it, p**s on it.
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04-12-2012, 10:18
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#7 (permalink)
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Funster
Funster No : 19259
Join Date: Dec 2011
Location: Stokesley, North Yorks
About Me: Happily married, ex army (Royal Engineers), worked mainly in heavy haulage.
Interests: Football, m/bikes, traction engines
MH Type: Lo-line C Class
MH Model: Autotrail Comanche
Years Motorhoming: In our 2nd year. Had caravans and VW campers
Posts: 1,158
Thanks: 175
Thanked 180 Times in 160 Posts
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Quote:
Originally Posted by jonandshell
Why don't we have 'proper' RWD tag axle vans?
I'd buy one! |
Also, as on modern trucks, it would probably not be able to lift when fully loaded to prevent overloading the drive axle.
__________________
The man who has never made a mistake has never made anything.
Treat life like a dog does. If you can't eat it or play with it, p**s on it.
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04-12-2012, 10:22
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#8 (permalink)
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Funster
Funster No : 6422
Join Date: Apr 2009
Location: Congleton UK.
About Me: Retired,to busy for work.
Interests: Sea fishing,Long haul travel.
MH Type: A Class
MH Model: RMB 650d
Years Motorhoming: Since 11-05-2000
Posts: 5,393
Thanks: 1,564
Thanked 1,589 Times in 1,055 Posts
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Quote:
Originally Posted by jonandshell
Why don't we have 'proper' RWD tag axle vans?
I'd buy one! |
They did. Hymer made one, the 750S on a Mercedes chassis. Damn good van it was too.
__________________
The drive is the adventure! The destination is just to get fuel.
Quality is remembered long after the price is forgotten.
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