Today's Message Index:
----------------------
1. 01:10 AM - UMA RPM gauge with Rotax 914 (trevord)
2. 03:05 AM - Re: Re: arplast pv 50 (Ken Atkinson)
3. 05:10 AM - Re: SnF (Bud Yerly)
4. 06:58 AM - Re: UMA RPM gauge with Rotax 914 (David Watts)
5. 07:23 AM - Re: SnF (Steven Pitt)
6. 08:33 AM - Ignitech Modules (Roger Sheridan)
7. 08:24 PM - Re: Ignitech Modules (Griffo)
8. 09:25 PM - Re: Re: Ignitech Modules (Richard Scanlan)
Message 1
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Subject: | UMA RPM gauge with Rotax 914 |
Hello all,
Perhaps someone has covered this already - I would be happy to be directed to the
answer if so.
I am trying to do something that would appear quite simple, connect the UMA tachometer
specifically sold for the Rotax 914, to this engine.
The UMA "Manual" is toilet paper at best with the cryptic note "Connect the signal
wire of the tachometer to one of the wires from the output coil/pickup, and
connect the other wire from the output coil/pickup to the same ground point
used by the tachometer.
The Rotax install manual appears to be translated from Latin and states (I am not
making this up) "Feeding wiring to electric rev counter from the 36 pole receptacle
of TCU - connections: flexible wire 0,75mm2 (18AWG) white No.26* and
flexible wire 0,75mm2 (18AWG) white No.13*.
Now, I used to do electronics as a teenager, so this should be easy, but it seems
both manufacturers have written instructions to keep avionics technicians in
a job - this is cryptic at best.
The UMA tach did not even come with any wires, just a dismantled plug and the Rotax
914 TCU has umpteen white only wires coming out of it...
Has anyone actually managed to do this without expert help and can explain to me
in plain english.
Thank you so much
Regards
Trevor
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=501334#501334
Message 2
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Subject: | Re: arplast pv 50 |
Hi Matt, Arplast PV50 bearings. My last replacements were from
---www.simplybearings.co.uk----
3 off MB.5040.DLU---Wrapped steel plain bearing bush 50x55x40mm
3off 51110.MB ----thrust ball bearing 50x70x14mm
2off 3x5o.NBR- pack of 2-----3section x50mmbore NITRILE 70 0-rings
Simply have a good website and do a quick delivery.
This is how I service my PV50.-
First get your inspector present! and read PV50 manual.
I have a 4ft square of 1/2 inch ply with a 2" hole cut in the centre
-screwed to a B/D workmate.
Remove propeller noting spinner and backplate alignement markings- take
photos.
Place propeller on bench with pitch change motor in hole.
Remove 6 Hub bolts, use a 9volt PP9 battery to touch on pitch change
motor to move blades to coarse then lift off top of hub.It helps to have
another set of hands and eyes to achieve this carefully.
The blades can be lifted out if the pitch change motor has been moved
coarse enough.
Work on one blade at a time,make a simple jig from wood to hold the
blade. Mine is a piece of shelf 23"x 8"with a piece of 4x1.5" fixed
either end.Back of blade rests on one end while the bearing sits in a V
cut at the other end. At the hub end is fixed a metal bar with a hole to
locate the bolt head of the nylon block mounting. All the blades
should fit the jig accurately before dismantling!
Undo hub clamp and remove thrust and plain bearing and o ring,clean and
inspect. Note centre holes of thrust bearings are different, smaller dia
centre locates on propeller shaft last.larger dia centre locates in hub.
Fit new o ring and bearings with grease.Clean loctite from clamp and
bolts. Fit blade to jig,refit clamp and tighten bolts with loctite
applied. You can keep rechecking your jig by trying the old blades in!
Repeat for blades 2 and 3 .Refit as manual,loctite on bolts at 11
lbs/ft. Don't forget to pull on blades, to seat the thrust bearings,when
tightening!
Before reassembling check the mechanical fine pitch stop.It is an
aluminium tube fitted over the screw actuator with an o ring! This is
the safety device in case of screw,switch or other failure. It's length
governs the max revs at take off in the event of one of the above. See
latest LAA info.
All above is just from memory so I may have missed some parts or they
may be in the wrong order but I hope it helps. Peter will have much more
experience of many PV50s and may wish to add to my comments?
Cheers Ken.
should fit jig well before any dismantling!
On 07/04/2021 21:47, Matt Dovey wrote:
>
> Thanks for the reply's guys. Ken do you have the part numbers for the bearings.
Or do you have a link to them. I would like to get them ordered before I start
the permit inspection.
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=501307#501307
>
>
--
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Message 3
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Sun 'n Fun local weather appears to be tolerable still for the week. A blocking
front will hamper those flying down. There will be times and corridors for
flying VFR and it won't be pretty until a bit later in the week.
I personally won't expose N12AY to Sunday's inch of rain, miserable high winds
and potential tent flying. I'm not going to expose myself to setting tenting
up in the rain either. So. setup will be a challenge. My electrical woes on
12AY aren't solved but the good news is the stator seems fine and, replacing the
regulator and checking wires continues.
That means I'll pull the wings and trailer N12AY over on Monday afternoon or evening.
Monday's setup will be a mess of tractor trailers, carts everywhere and
cleanup from the previous day. I'll play it by ear. It may be my advancing
years, experience, or laziness but I think even I will look at a more cautious
and perhaps slower setup. Even if the plane doesn't get there until Wednesday,
that is fine with me. We'll have a tent for cover, a place to sit, advertising
out, and watch and enjoy the other Type A's scramble around in the mud and
work around the clock.
Tuesday, I'll work on my tan, make a must have buy list, and meet and greet. I'll
enjoy seeing folks, attending gatherings and try to spread cheer for a week.
Be safe in your travels and plan accordingly. We'll be here to welcome you to
Sun 'n Fun.
Best Regards,
Bud Yerly
-----Original Message-----
From: Bud Yerly
Sent: Thursday, April 08, 2021 6:38 PM
Subject: RE: Europa-List: SnF
Anita and I will be there.
Watch the weather up North. It's nice down here but you have to get here from
there.
Heck getting 12AY the 5 miles from Plant City Airport to Lakeland may have to be
by road.
My freshly top overhauled engine is leaking oil from the turbo components like
rain. I'm throwing time and parts at that now. The last oil leak is at the oil
catch can area under the turbo (which is wet between the split also) and believe
it or not, my hose from the turbo outlet to the manifold is full of oil
and leaking. What a mess. Hopefully, I can troubleshoot that and find a less
costly fix than I fear the symptoms are leading to. On top of that, although
all went extremely well during high power flight test climbs, stalls, cruise
and engine data checks I did some touch and goes and after a short/soft field
full stop landing, I was feeling good on taxi back then I find the voltage down
to 12 and the amps at -2 at idle power. It never does that. It is always 13
minimum and slightly positive. I ran it up to 2500 and the voltage rose a bit
as did the amps indicating there is some life there. Then I saw a small pool
of oil under the turbo. Either the voltage regulator has failed (I just put
that on in 2007) or my stator has died (I repaired that in 2006). Frankly a 14
year old part on a 20 year old engine should last forever don't you think?
Except it is an airplane of course. So back to the airport in the morning to
pull the cowl, test the stator, replace the regulator, and find the oil leak and
hopefully fix it for sure. Backup plan is load the plane on the trailer and
haul it as time is growing short. Life is an adventure, and I'm up for it.
Bud and Anita Yerly
Custom Flight Creations, Inc.
US Airmaster Dealer
Europa N12AY at S'nF site N55.
-----Original Message-----
From: owner-europa-list-server@matronics.com <owner-europa-list-server@matronics.com>
On Behalf Of rampil
Sent: Thursday, April 08, 2021 12:20 PM
Subject: Europa-List: SnF
Like Bud and Anita, Linda and I are double vaxed and planning to attend.
Our local forecast for next Monday and Tuesday calls for rain, so we will be driving.
Would anyone here consider attending an Engineering Meeting (Wednesday
or Thursday)?
Cheers,
Ira
N224XS
--------
Ira N224XS
Read this topic online here:
https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fforums.matronics.com%2Fviewtopic.php%3Fp%3D501320%23501320&data=04%7C01%7C%7Cfa68e5a4269f4b4dd97108d8faaac561%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637534958644181269%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=BZ74UgBRJ%2Fso98NjtmsNNk%2Bepy5Cxm84WlLDH2ll7bg%3D&reserved=0
Message 4
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Subject: | Re: UMA RPM gauge with Rotax 914 |
Trevor,
On the back of the gauge you have 3 connection points and from the rear of
the engine you have 2 wires from the tachometer output coils.
Connect one of these wires to a good earth point and the second wire to the
Signal input on the gauge.
The other two connections on the gauge are for positive supply and earth.
Now I will also add that instead of taking the wire from the engine to
earth, I take it straight to the earth connection on the gauge which is
also separately earthed. The reason I do this is that I have done several
of these and on one installation I ended up with erratic readings and the
fix turned out to be reversing the two wire connections from the back of he
engine.
Have fun.
Dave Watts
G-BXDY Classic Mono 912S/Airmaster 2,700 hrs.
On Sat, 10 Apr 2021 at 2:25 pm, trevord <trevord@orcon.net.nz> wrote:
>
> Hello all,
>
> Perhaps someone has covered this already - I would be happy to be directed
> to the answer if so.
>
> I am trying to do something that would appear quite simple, connect the
> UMA tachometer specifically sold for the Rotax 914, to this engine.
>
> The UMA "Manual" is toilet paper at best with the cryptic note "Connect
> the signal wire of the tachometer to one of the wires from the output
> coil/pickup, and connect the other wire from the output coil/pickup to the
> same ground point used by the tachometer.
>
> The Rotax install manual appears to be translated from Latin and states (I
> am not making this up) "Feeding wiring to electric rev counter from the 36
> pole receptacle of TCU - connections: flexible wire 0,75mm2 (18AWG) white
> No.26* and flexible wire 0,75mm2 (18AWG) white No.13*.
>
> Now, I used to do electronics as a teenager, so this should be easy, but
> it seems both manufacturers have written instructions to keep avionics
> technicians in a job - this is cryptic at best.
>
> The UMA tach did not even come with any wires, just a dismantled plug and
> the Rotax 914 TCU has umpteen white only wires coming out of it...
>
> Has anyone actually managed to do this without expert help and can explain
> to me in plain english.
>
> Thank you so much
> Regards
> Trevor
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=501334#501334
>
>
Message 5
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Dear Bud and Anita,
Yet again no hope of joining you at SunnFun this year as we are not yet allowed
to travel abroad.
We are enduring the Covid in the UK, Mary and I are waiting our second jab in the
next couple of weeks, and the family is well (only Hannah got the bug but was
very lightly affected - thank goodness).
I was looking to see if we could have an engineering meeting in the UK but the
only Hooters is in Nottingham, several hundred miles away, so we will buy some
wings locally and think of you all.
Take care, regards to the family, and all who might remember me in the years gone
by (especially Ira and Jim).
Best wishes,
Steve
G-SMDH Tri-gear 912S
> On 10 Apr 2021, at 13:09, Bud Yerly <budyerly@msn.com> wrote:
>
>
> Sun 'n Fun local weather appears to be tolerable still for the week. A blocking
front will hamper those flying down. There will be times and corridors for
flying VFR and it won't be pretty until a bit later in the week.
>
> I personally won't expose N12AY to Sunday's inch of rain, miserable high winds
and potential tent flying. I'm not going to expose myself to setting tenting
up in the rain either. So. setup will be a challenge. My electrical woes on
12AY aren't solved but the good news is the stator seems fine and, replacing
the regulator and checking wires continues.
>
> That means I'll pull the wings and trailer N12AY over on Monday afternoon or
evening. Monday's setup will be a mess of tractor trailers, carts everywhere
and cleanup from the previous day. I'll play it by ear. It may be my advancing
years, experience, or laziness but I think even I will look at a more cautious
and perhaps slower setup. Even if the plane doesn't get there until Wednesday,
that is fine with me. We'll have a tent for cover, a place to sit, advertising
out, and watch and enjoy the other Type A's scramble around in the mud
and work around the clock.
>
> Tuesday, I'll work on my tan, make a must have buy list, and meet and greet.
I'll enjoy seeing folks, attending gatherings and try to spread cheer for a week.
>
> Be safe in your travels and plan accordingly. We'll be here to welcome you to
Sun 'n Fun.
>
> Best Regards,
> Bud Yerly
>
> -----Original Message-----
> From: Bud Yerly
> Sent: Thursday, April 08, 2021 6:38 PM
> To: europa-list@matronics.com
> Subject: RE: Europa-List: SnF
>
> Anita and I will be there.
>
> Watch the weather up North. It's nice down here but you have to get here from
there.
>
>
> Heck getting 12AY the 5 miles from Plant City Airport to Lakeland may have to
be by road.
> My freshly top overhauled engine is leaking oil from the turbo components like
rain. I'm throwing time and parts at that now. The last oil leak is at the
oil catch can area under the turbo (which is wet between the split also) and
believe it or not, my hose from the turbo outlet to the manifold is full of oil
and leaking. What a mess. Hopefully, I can troubleshoot that and find a less
costly fix than I fear the symptoms are leading to. On top of that, although
all went extremely well during high power flight test climbs, stalls, cruise
and engine data checks I did some touch and goes and after a short/soft field
full stop landing, I was feeling good on taxi back then I find the voltage down
to 12 and the amps at -2 at idle power. It never does that. It is always
13 minimum and slightly positive. I ran it up to 2500 and the voltage rose a
bit as did the amps indicating there is some life there. Then I saw a small pool
of oil under the turbo. Either the voltage regulat!
> or has failed (I just put that on in 2007) or my stator has died (I repaired
that in 2006). Frankly a 14 year old part on a 20 year old engine should last
forever don't you think? Except it is an airplane of course. So back to the
airport in the morning to pull the cowl, test the stator, replace the regulator,
and find the oil leak and hopefully fix it for sure. Backup plan is load
the plane on the trailer and haul it as time is growing short. Life is an adventure,
and I'm up for it.
>
> Bud and Anita Yerly
>
> Custom Flight Creations, Inc.
> US Airmaster Dealer
> Europa N12AY at S'nF site N55.
>
> -----Original Message-----
> From: owner-europa-list-server@matronics.com <owner-europa-list-server@matronics.com>
On Behalf Of rampil
> Sent: Thursday, April 08, 2021 12:20 PM
> To: europa-list@matronics.com
> Subject: Europa-List: SnF
>
>
> Like Bud and Anita, Linda and I are double vaxed and planning to attend.
> Our local forecast for next Monday and Tuesday calls for rain, so we will be
driving.
>
> Would anyone here consider attending an Engineering Meeting (Wednesday
> or Thursday)?
>
> Cheers,
> Ira
> N224XS
>
> --------
> Ira N224XS
>
>
>
>
> Read this topic online here:
>
> https://na01.safelinks.protection.outlook.com/?url=http%3A%2F%2Fforums.matronics.com%2Fviewtopic.php%3Fp%3D501320%23501320&data=04%7C01%7C%7Cfa68e5a4269f4b4dd97108d8faaac561%7C84df9e7fe9f640afb435aaaaaaaaaaaa%7C1%7C0%7C637534958644181269%7CUnknown%7CTWFpbGZsb3d8eyJWIjoiMC4wLjAwMDAiLCJQIjoiV2luMzIiLCJBTiI6Ik1haWwiLCJXVCI6Mn0%3D%7C1000&sdata=BZ74UgBRJ%2Fso98NjtmsNNk%2Bepy5Cxm84WlLDH2ll7bg%3D&reserved=0
>
>
>
>
>
>
>
>
>
>
>
>
>
Message 6
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Subject: | Ignitech Modules |
Dear All,
I intend to replace my ignition modules with these from Ignitech
https://www.lightflight.co.uk/contact
<https://www.lightflight.co.uk/contact>
If any LAA members have been through that specific mod application
please would they make contact by direct email.
Many thanks,
Roger
Message 7
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Subject: | Re: Ignitech Modules |
Hi Roger,
I would be interested to know what you think may be the benefits in replacing the
factory Rotax Ducati modules, with the after market Ignitech modules.
--------
46
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=501341#501341
Message 8
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Subject: | Re: Ignitech Modules |
A contribution to this thread. I had my Ducati modules repaired by the firm in
Holland for 500, whereas the Ignitech are 350 for the pair supplied with 750mm
leads so they can be mounted on the firewall away from vibration.
Richard.
Sent from my iPad
> On 11 Apr 2021, at 04:24, Griffo <scangriffin@bigpond.com.au> wrote:
>
>
> Hi Roger,
>
> I would be interested to know what you think may be the benefits in replacing
the factory Rotax Ducati modules, with the after market Ignitech modules.
>
> --------
> 46
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=501341#501341
>
>
>
>
>
>
>
>
>
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