Forgot to mention in my last message - if you do fit grease nipples you dont
need to tap the holes. If you drill them the right size the nipples will tap
themselves in. Once they are in remove and reinsert with some rapid set
epoxy.
----- Original Message -----
From: Fred Fillinger <fillinger@ameritech.net>
Subject: Re: Tufnol Blocks
> Hi, Tony --
>
> Re the sloppy bearing, sounds like a bad part.
> Europa here in the States, at least, will gladly
> replace it.
>
> I put grease fittings in the aileron torque tube
> Tufnols in the cockpit module. Theory was all ya'
> can otherwise do is throw oil at the rear one
> (though I suppose one can cobble a long-necked
> oil-squirter), and oiling the front one can
> eventually mess up the upholstery goodies.
>
> You won't split the Tufnol, but it sure doesn't
> tap worth a darn. So, you're right about just
> drilling a hole big enough to weakly thread a
> nipple in (file tap-like cutters in the threads),
> and use Redux.
>
> BTW, I didn't do this to the rudder Tufnols,
> because if you gotta go down there with a grease
> gun, might as well just put a couple drops of oil
> there. Also, even if you cut a channel in the
> Tufnol, it still tends to lube only the area
> around the nipple.
>
> Regards,
> Fred Fillinger, A063
>
> Tony Renshaw wrote:
>
> > My front flight control tufnol block for my flight controls, the one in
the
> > footwell, has an offset centreline of the hole such that about 1/3 of
the
> > way through it wanders.
> >
> > I am also
> > interested in the past dialogue about inserting grease nipples for
future
> > lubrication. Is this recommended, or is there a danger of weakening the
> > tufnol material and possibly splitting it insitu, with the pressure of a
> > thread in it applying a constant pressure (I suppose a grease nipple
could
> > be reduxed into it removing any pressures)
> > In anticipation of ideas
> > Reg
> > Tony Renshaw
>
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