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Homemade VW car dolly - What is a good tongue weight?

Subject: Homemade VW car dolly - What is a good tongue weight?
From: mardak at cogeco.ca (Mark)
Date: Sat Jan 17 02:54:51 2004
In-reply-to: <Sea2-F58fKc21PSvlHL0001875e@hotmail.com>
Ummmm, oooooook...

Anyways, I had a brainstorming session with a friend of mine, and we
came up with some killer ideas.  The new design will include a swivel,
so my worries about stress on the steering system are now not an
issue...

I've abandoned using a VW rear beam as part of the design, but will
still use VW stub axles and modified Scirocco wheel well liners as
fenders.  I'll take some pics as I'm building it and post them.

Mark.
80 S
81 S  2.0 ABA/JH/4K
75    Soon!  

> -----Original Message-----
> From: Rhett Farnum [mailto:rocco_crossing@hotmail.com]
> Sent: January 17, 2004 3:16 AM
> To: mardak@cogeco.ca; rocco16v@netzero.net; scirocco-l@scirocco.org
> Subject: RE: Homemade VW car dolly - What is a good tongue weight?
> 
> In a normal street car the tires turn the same amount on both
sides.this
> makes cornering at "slower speeds" easier. Most autocrossers allign
the
> cars
> so there is "toe-out" which means the fron of the tires point away
from
> each
> other rather than being perfectly parrallel.
> 
> I do understand the worry of putting strain on the steering system.
But, I
> really don't think it's something to fuss that much over. If it was
> somethign to fuss about I'm sure U-Haul and others would have a
different
> design for the 2 wheel dollies they have.
> 
> 
> 
> 
> 
> Peace Out,
> Rhett
> Rocco_crossing
> '83 Rocco (DEAD!!) :-(  Now what to do???
> 
> 
> 
> 
> 
> >From: "Mark" <mardak@cogeco.ca>
> >To: "'L F'" <rocco16v@netzero.net>, <scirocco-l@scirocco.org>
> >Subject: RE: Homemade VW car dolly - What is a good tongue weight?
> >Date: Fri, 16 Jan 2004 14:18:10 -0500
> >
> >I don?t think you?re quite understanding my analogy, so I?ll try
> >another:
> >
> >Forget the dolly exists, this is just a car on the ground, not
moving.
> >Turn the steering wheel to full lock.  The inside wheel will be at a
> >tighter angle than the outside wheel, correct?
> >
> >Now turn the steering wheel so the wheels are pointing straight
again.
> >Lock the wheels in place, pointing straight ahead, so they can?t move
> >(front to back, or ?turning?).  Now get some big guys and drag the
ass
> >end of the car sideways until the front wheels are in full lock.
Since
> >both wheels were locked to the same angle when straight, the inside
> >wheel would (at full lock again) now not be at a tighter angle than
the
> >outside ? they?d be at the same angle.  Since the geometry of the
> >steering system forces the inside wheel to be at a tighter angle than
> >the outside wheel, I don?t see how there would be no stress if rigid
> >?wheel clamps? were in place to keep the angle the same.
> >
> >I could always disconnect one tie rod end to alleviate any fears I
still
> >have?
> >
> >Make any sense yet?
> >
> >Thanks!
> >
> >
> >Mark.
> >80 S
> >81 S  2.0 ABA/JH/4K
> >75     Soon!
> >
> >
> >
> >-----Original Message-----
> >From: L F [mailto:rocco16v@netzero.net]
> >Sent: January 16, 2004 11:20 AM
> >To: Mark; scirocco-l@scirocco.org
> >Subject: Re: Homemade VW car dolly - What is a good tongue weight?
> >
> >Mark,
> >   The dolly will lock the front wheels together!!!!!!!!  No stress
on
> >the steering because equal stress is being applied to both front
wheels
> >silmultaneously BY THE RIGID DOLLY.
> >Think about it....
> >
> >Larry
> >----- Original Message -----
> >From: HYPERLINK "mailto:mardak@cogeco.ca"Mark
> >To: HYPERLINK "mailto:rocco16v@netzero.net";'L F' ; HYPERLINK
> >"mailto:scirocco-l@scirocco.org";'Scirocco.Org'
> >Sent: Friday, January 16, 2004 12:17 AM
> >Subject: RE: Homemade VW car dolly - What is a good tongue weight?
> >
> >-----Original Message-----
> >From: L F [HYPERLINK
> >"mailto:rocco16v@netzero.net"mailto:rocco16v@netzero.net]
> >Sent: January 15, 2004 8:34 PM
> >To: Mark; 'Scirocco.Org'
> >Subject: Re: Homemade VW car dolly - What is a good tongue weight?
> >
> >Coupla' things;
> >
> >Since a dolly is really a four-wheeled trailer (with the car on it),
> >tongue weight would be inconsequential. Don't worry about it. (Look
at
> >the big rigs with two trailers; the second trailer is a four-wheel
and
> >it has zero tongue weight)
> >
> >Second, if you bolt the wheels to the dolly (and don't lock down the
> >steering wheel), the WHEELS will take all the strain, not the
steering
> >gear.
> >(sounds like your problems are really non-existent!)
> >--------------------------
> >
> >
> >Here's where I still think there might be a problem:
> >
> >In normal driving when you turn the steering wheel, the inside wheel
> >turns more than the outside, right?  Now lock both wheels in a
straight
> >ahead position and "turn" the car behind them (as on a dolly, turning
a
> >corner).  In this scenario the car is technically "turning" (if you
> >ignore the dolly beneath the car), but both wheels are locked to the
> >same angle.  My worry is that locking the wheels in a fixed position
> >could break something in the steering system since the inside wheel
will
> >be prevented from turning more than the outside.
> >
> >Thanks for the info on the tongue weight - I never thought about it
that
> >way.  I think a bit of weight on the hitch would be good though...
> >
> >Thanks!
> >
> >Mark.
> >80 S
> >81 S  2.0 ABA/JH/4K
> >75    soon!
> >
> >
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References:
- Homemade VW car dolly - What is a good tongue weight?
  - From: rocco_crossing at hotmail.com (Rhett Farnum)
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