Jon, thanks for your thoughts there however needs correcting..
Position of LG08 components are not altered; the over center locking affect on
extension is actually marginally improved.
Pin LG04 is moved slightly rearward and down upon its arc, relative to the
opposite
pivot point at LG08. This keeps the rubber spring block assembly outside
of a 90deg arc from LG08 when retracted. If things here cross over less than
90deg
they can jam in the retracted position if the bungee is too tight.
Apart for preventing a possible lock up in the retracted position the operation
of the landing gear is otherwise unchanged. Moving the position of LG04 adds
mechanical advantage at the final end of retraction; which the bungee currently
provides.
The addition of a sacrificial buffer prevents retracting of the undercarriage
too
far. The above repositioning of pin LG04 is helpful but not required
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http://forums.matronics.com/viewtopic.php?p=509450#509450
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