Does your speek kit! still fit over it?
Dave
> From: hurstkr@redzone.com.au
> To: europa-list@matronics.com
> Subject: Europa-List: MONOlogue
> Date: Wed=2C 31 Mar 2010 19:24:08 +1000
>
> Dear Mono Fraternity
>
> I have struck upon an idea which I thought might interest other Mono
> believers.
>
> The revelation that my flaps no longer retracted as nicely once the
> outrigger legs were installed caused me some angst and disappointment to
the
> extent that I investigated more closely the geometry of the outrigger
> mechanism. Whilst adjusting the flaps to go home more firmly yielded
> a slight improvement=2C I found the outriggers still wanted to hang down
> slightly.
>
> My calculations revealed (subsequently confirmed with a spring balance)
> that the force exerted by the flaps through the push rod OR5 to hold an
> outrigger fully up (horizontally) is in the order of 18kg (40 lbs).
> I found that this amount of force causes spring in the train from the fla
p
> drive pin to the outrigger mechanism significant enough to cause the
> outrigger to sag somewhat from the fully up position. By fully up=2C I me
an
> the nylon leg touching the bottom of the flap hinge.
>
> My solution has been to install a small gas strut as depicted in the
> attached photos.
>
> If you haven't witnessed how much better the operation of the outriggers
are
> with this set-up=2C you would probably find it hard to believe the differ
ence
> it makes to the whole operation of the flaps and outriggers.
>
> Expected advantage achieved:-
>
> Only that the outrigger leg would be fully supported by the gas strut whe
n
> the leg is up (no force required by the flap at all)
>
> Unexpected advantages achieved:-
>
> When the wing is removed=2C because the outrigger is held up by the gas
> strut=2C the flap does not want to fall down and is in fact quite positiv
ely
> held up. Have you never removed a wing and had the flap fall down?
>
> When the outrigger leg extends=2C the gas strut goes slightly over centre
> and to a small degree assists the leg to lock down.
>
> The force required to extend or retract the outrigger leg seems to be
> about the same in both directions. It needs a slight force to start it on
> its way down and likewise=2C a small force to start it on its way up agai
n.
>
> Disadvantage:-
>
> The only one I can see is the extra weight of the two gas struts
> which I am prepared to wear.
>
>
> The only caveat is that I have not flight tested it yet unfortunately
> but I have a high degree of confidence it will be every bit as good as th
e
> standard set-up if not better. One thing that will be better for sure is
> that the outriggers will not hang down resembling a lame duck!
>
> Cheers
> Kingsley in Oz
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