Re Alan's comment about checking brushes etc. If it were possible to even
see the brushes you may find the answer to your problem. The motor is an
expensive sealed unit and I doubt any repair would be possible. The
armature itself is only about 1.5 mm in diameter.
Please be aware (as per this forum) that cycling this prop without the
engine running will overload and eventually wreck the pitch change motor.
Due the manufacturers of the prop now being out of business you may
experience difficulty obtaining a replacement motor. SORRY. Probably best
to enquire via this forum.
Best of luck
Pete Jeffers
-----Original Message-----
From: owner-europa-list-server@matronics.com
[mailto:owner-europa-list-server@matronics.com] On Behalf Of Alan Burrill
Sent: 07 January 2019 17:12
Subject: Re: Europa-List: Re: Arplast Propeller problems
My first thought would be to check the Brushes for wear, cracks, length and
broken wires.
> On 7 Jan 2019, at 16:26, BobD <rjd@bobdawson.plus.com> wrote:
>
>
> I had a problem with my PV-50 Propeller and CSC-1 Controller yesterday,
and whilst researching it on the forum, came across the posts below, which
are the nearest to the problem I experienced. My Europa has approx 60 hours
on the Prop, but the Prop was purchased many years ago (don't know the exact
date but judging from the documentation probably not long after 2000). It
has been performing as expected since installation.
>
> After take-off, and switching from TKO to CLM Mode, I noticed that the
engine RPM remained near maximum, and looking at the reading on the CSC-1,
it was displaying 40%. I tried changing to MAN mode but couldn't increase or
decrease the Pitch. I throttled back to reduce the RPM, but this impeded my
ability to climb. As it was a short flight, and I could maintain height,
albeit at a slower speed than I normally fly, I continued at low level to my
destination. Once I landed, (and at reduced RPM i.e 2500) the Pitch
Controller functioned again through the full range.
>
> 90 minutes later the Prop and Controller functioned through the full range
in my pre-flight checks, but exactly the same thing happened following climb
out, and all the way back home. I did notice a small change in the CSC-1
Pitch readout the closer I got to home, but can't recall if this was as I
throttled back in the approach. Back on terra firma, the Prop again
functioned through the full range.
>
> So it would seem the Pitch will alter at pre-flight RPM (2500-400), but
not at 5000+
>
> I didn't have time on my return to inspect the electric motor assembly,
but plan to do this in the next day or so. Apart from cleaning and
re-greasing the worm assembly, and checking again the full range of
movement, has anyone any further suggestions, or potential explanations as
to why this could happen ?
>
> --------
> Bob Dawson
> Europa XS TG || 912 ULS || G-NHRJ || Dynon Skyview || PilotAware ||
SmartAss3
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=486794#486794
>
>
>
>
>
>
>
>
>
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