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1. 08:27 AM - Re: Flap breaker popping (theo van duin)
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| Subject: | Re: Flap breaker popping |
Fellow Allegro list members:
Hugh=B4s idea of having a new nut made out of plastic material (not nylon
but a better quality material for this porpose) appears to be feasible. I
found a machining factory in the Netherlands that is equipped to do this
job.
See the site (in Dutch): http://www.mafaha.nl/
They accepted an order for 4 to 5 pieces at a price of 75 Euros a piece. To
be sure that the nuts are dimensionally perfect I have to bring them the
threaded shaft and the present nylon nut. Bringing them the parts can
hopefully be done in a couple of weeks from now.
Whenever you members want to participate in this project, please let me
know at t.j.vanduin@gmail.com
Theo van Duin (France)
Allegro 2000
71MM
2012/8/4 theo van duin <t.j.vanduin@gmail.com>
> *Allegro list members:*
> *
> *
> *On July 14, 2008 Paul of Aerosiam wrote the following:*
> *
> *
> *The flap motor operates a vertical screw shaft which rotates in a nylon
> bushing riveted to the flap actuating arm. It is accessible after removin
g
> the white cover behind the pilot's seat. *
> * The screw shaft should be lubricated with lithium grease, I believe.
> If a 3 in 1 type oil is applied to the metal screw shaft, it causes the
> nylon bushing to expand. Over time, flap movement slows and the flap
> breaker starts popping due to the excess load. The cure is to tap out the
> nylon bushing until the screw shaft moves freely inside it.
>
> Turning the vertical drive shaft of my plane in de nylon bushing is
> difficult to be done by hand because of too much friction. To cure this
> problem, Paul advises to tap out the nylon bushing. But then my question
> is: which size of thread is in the bushing?*
> *
> *
> *My second question is: is a replacement set of shaft and bushing still
> available for the Allegro 2000?*
> *
> *
> *Thank you for your comments.*
> *
> *
> *Theo van Duin, France*
> *Allegro 2000*
> *71MM*
> * *
>
> *
>
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