REFLECTOR: nose gear retract.

[John Dibble]

Excellent solution!  I'm getting by for now, but will do that if I need 
to service my cylinder.

John

On 11/22/2013 10:41 PM, Bob Jackson (Jax Tech) wrote:
>
> John,
>
> It is true that the standard nose gear cylinder has marginal travel -- 
> often not enough to both fully raise (and close the NG doors) as well 
> as fully lower (and overcenter lock) the nose gear leg.
>
> It would be easy to make a longer cylinder shaft -- and the Velocity 
> factory routinely has done that -- however, since to the best of my 
> knowledge there is no current manufacturer of new NG hydraulic 
> cylinders, or at least one willing to make a cylinder barrel that is 
> an additional ~1/2" longer, which would allow another 1/2" of travel 
> (combined with a 1/2" longer shaft) and solve the problem.  Maybe that 
> situation has changed in the last year...
>
> Meanwhile, I discovered one solution to increasing travel that's easy 
> if you don't mind disassembling the hydraulic cylinder. When I took 
> mine apart, I noticed that there was insufficient space inside the end 
> fitting of the cylinder, and therefore the nut on the end of the shaft 
> couldn't move aft far enough to allow the internal plunger aft face to 
> contact the forward face of the aft fitting.
>
> The plunger in the bottom of these first two pictures shows the shaft 
> nut being unable to retract all the way inside the aft fitting and the 
> limited resulting full aft travel of the shaft.
>
> After switching from the normal nylon lock nut to the lower profile 
> all-metal locknut, and after 'milling' out additional space in the 
> 'pocket' of the aft fitting so the nut can move all the way inside the 
> fitting and allow the plunger face to stop all the way against the 
> forward face of the aft fitting, I gained ~3/16 to 1/4" more overall 
> cylinder travel -- enough then to get both full up and full down nose 
> gear travel.
>
> Here's close up showing how I drilled out the cavity in the aft 
> fitting to create the additional ~1/4" of cylinder travel.
>
> It's not hard to do with just a normal large drill bit, you don't need 
> a mill -- just be sure to clean away all the aluminum shavings before 
> you put it all back together!
>
> Bob Jackson
>
> Turbo-Cross Country Velocity XL/RG
>
> 850 hrs and loving every one!
>
> N2XF
>
>

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