Steve,
My XS manual only calls for 4 degrees down. That 5th degree would cause a
similar
problem for me.
Is there something I should know??
Cleve Lee
A198 Mono XS
On Mon, 28 January 2002, "Dave Simpson" wrote:
>
> Mine did this too. I simply machined a
> part of the mass balance away, so that it looks rather like a truncated cone
at
> the forward end. Then it cleared OK.
> ----- Original Message -----
> From: <hagargs@earthlink.net> Steve Hagar
> Subject: Tailplane mass balance stops
>
> I'm up to another case of looking for someone who has been in a similar
> "been there done that" situation. I am in the process of putting in the
> bulkhead and stops for the tail plane mass balance. During the first
> iteration, (setup as described in the manual), things did not pan out as
> expected (typical). The end result was that the aircraft nose down travel
> (balance up) exceeded limits of bulkheads.
>
> The second iteration involved getting rid of the big fat wooden
> dowel and rubber hose stop (1.5" dia) and replacing them with a UHMW type
> material stop around the cross bolt with a dia of .5" to get the mass weight
> down lower to start with. At this point the weight stops about 1.2"
> above the tailplane push tube in its lowered position. The end result was
> that
> it looked close, though the next step was to get technical and actually lay
> the top of the aircraft on the whole mess before continuing.
>
> With the top on, the weight smacks the top of the fuselage being a
> little over a degree short of the minimum amount required of nose down
> travel. Granted only 5 degrees is called for but I am short over
> 20%. I see my direction now as doing some creative machining
> of the steel weights when it comes time for metal removal and balancing to
get
> clearances. Or to do some beefing up of the lower stop to allow the
> weight to get even closer to the tube at its bottom travel.
>
> Any "out of the box" insights would be much appreciated.
>
> Steve Hagar
> A143
> Mesa, AZ
>
> --- Steve Hagar --- hagargs@earthlink.net
>
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