See attached photos
PVC. some all thread, rubber tubing, and a bolt.
Tested out, effective, no hassles
Steve Hagar
Mesa AZ A143
> [Original Message]
> From: Frans Veldman <frans@paardnatuurlijk.nl>
> To: <europa-list@matronics.com>
> Date: 11/1/2009 6:08:05 AM
> Subject: Re: Europa-List: Rudder Lock
>
<frans@paardnatuurlijk.nl>
>
> Kingsley Hurst wrote:
>
> > Since the aircraft will be travelling backwards, if I were you, I
> > would build a device on the trailer itself that restrains rudder
> > movement.
>
> I would caution *against* that!
> The airplane will move a lot during travel, it sits on its own
> suspension and rubber tires which allow quite some twisting and sideways
> movement, and the tail of the airplane consequently moves as well. If
> you restrict the movement at that point, you will use the tail as a
> lever to restrict movement of the airplane, not good in my opinion, as
> it is not designed to take such loads.
> One option would be to restrict the airplane on multiple places (I tried
> that), but then I discovered that the trailer, being of metal, will bend
> and twist by itself. If you secure the airplane like that, you will use
> the airplane to make the trailer more rigid, not a good idea either.
> Apart from the problem that there are very few places on the airplane
> suitable for securing the airplane like that anyway.
>
> My solution to these problems: I put a winch on the trailer with a nylon
> band, and use that to tow the airplane onto the trailer. I leave it
> connected during the travel. At the same tail position, I connect two
> straps to it, connected via two metal springs to the trailer. This will
> form a triangle, restricting movement of the tail in all directions, but
> due to the springs trailer movements won't jerk on the airplane. The
> trailer is thus allowed to move a little bit under the airplane. A
> second benefit of this is that the airplane can use its own tires and
> springs to deal with bumps in the road, in addition to the suspension of
> the trailer. This will be better for your gyro's, if you have them.
>
> Frans
>
>
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