Today's Message Index:
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1. 03:50 AM - Re: Re: Plane Power and Lycoming Pulley Alignment Issue (Bob Leffler)
2. 05:59 AM - Re: Plane Power and Lycoming Pulley Alignment Issue (rleffler)
3. 07:56 AM - Re: Plane Power and Lycoming Pulley Alignment Issue (dmaib@me.com)
4. 08:16 AM - Re: Plane Power and Lycoming Pulley Alignment Issue (rleffler)
Message 1
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| Subject: | Re: Plane Power and Lycoming Pulley Alignment Issue |
Welcomed to the club Lenny. You are the third person that I'm aware of with
this situation. We need to identify more if we can. All three vendors
stated that this is new information to them. Van's made this change over a
year ago, so there should be quite a few out there.
Perhaps the others just machined the alternator and moved on? That's not a
route I prefer to go down. I'm looking to Van's to make us whole. They
specified this recent change of the flywheel without coordination with Plane
Power.
It would be interested to understand what the guys in Brazil are doing,
since they are the reason for the change. Obviously, they aren't using
Plane Power alternators. I'm also curious as to what A/C solution they are
using. That second V groove belt seems problematic to me.
I sent another round of photos to Lycoming last night, per their request.
As I get more feedback, I'll pass it along. I may also post to VAF to see
if I can attempt to identify how many of us are in this situation. Van's
isn't talking at the moment.
bob
-----Original Message-----
From: owner-rv10-list-server@matronics.com
[mailto:owner-rv10-list-server@matronics.com] On Behalf Of Lenny Iszak
Sent: Tuesday, October 11, 2011 11:35 PM
Subject: RV10-List: Re: Plane Power and Lycoming Pulley Alignment Issue
--> <lenard@rapiddecision.com>
I'm almost glad i'm not alone! :)
Same thing happened to me. I ordered my engine from Vans with the dual
groove ring gear because of my A/C compressor.
Talked to PlanePower at OSH, and they told me to just have a machinist grind
down from the spacer on one end, and use a washer on the other.
Haven't done that yet, but it would be awesome if PlanePower provided the
correct spacer.
There may be another problem though. The dual groove ring gear i got from
Lycoming had two different types of groves. One V shape and the other a V
shape with a square bottom. Bill at Airflow Systems machined them to the
correct shape so I can use the standard belts.
The other smaller problem is that the spacers are glued together onto the
alternator, which may not be so much fun to remove.
If anyone finds a solution to this, please post it on here.
Lenny
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=354765#354765
Message 2
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| Subject: | Re: Plane Power and Lycoming Pulley Alignment Issue |
I just posted this on VAF in an attempt to see how many folks are in the same situation.
A little over a year or so ago, Van's had Lycoming change the flywheel to a LW-12227
to accomodate a dual belt system to support both the alternator and air
conditioning. This part has the alternator belt on the rear and a V shaped groove
in front for the A/C.
Myself and several others that purchased a YIO-540-D4A5 and the Firewall Forward
kit from Van's have noticed an alignment issue. The Plane Power 60a alternator
supplied in the FWF kit from Van's has the alternator about 3/16" forward
and prevents proper alignment of the belt.
Plane Power has stated that none of their alternators will work with a dual belted
flywheel.
Van's, Plane Power, and Lycoming are currently looking into the issue, so I'm not
looking for alternative or creative solutions to this situation. I'm going
to let the three companies work through the engineering and come back with a
resolution.
What I am looking for is to identify anyone that purchased a YIO-540-D4A5 from
Van's in the last two years and the answers to the following questions.
1. Do you have a LW-12227 flywheel or another part (i.e. single belted)?
2. Do you have a Plane Power alternator?
3. If you have a Plane Power alternator and a LW-12227 did you have an alignment
issue?
4. If you have a LW-12227 and another brand alternator, did you have an alignment
issue?
The reason I'm collecting this data is all three companies apparently were caught
off guard on this issue and claimed to have just heard about it. I'm skeptical
that if this Van's specified configuration has been sold for over year, there
have to have been others experiencing similiar issues. If not, I want to
attempt to understand why?
If you don't want your comments to be made public, please PM or email me.
thanks,
bob
--------
Bob Leffler
N410BL - FWF
RV-10 #40684
http://mykitlog.com/rleffler
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=354789#354789
Message 3
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| Subject: | Re: Plane Power and Lycoming Pulley Alignment Issue |
> [quote="Tim Olson"]It wouldn't make much sense that if the big difference is
the large pulley/ring gear, and by changing that part, you would only screw up
one type of alternator. If the plane power and B&C had the belt in the same
alignment plane before, then changing only the large pulley type should wreck
the alignment of both alternators the same, unless there are some very strange
other engine case factors at work.
> My bet is that there is a larger variation in large pulleys more than just the
single and the double.
> Tim
>
You are right about variations in the dual belt pulleys, Tim. The one I have on
my C4B5 for the Flightline AC air conditioning is part number LW 10184 and was
supplied by Flightline AC when I bought the AC kit. No alignment issues with
a B&C that I used to have and none with the National Air Parts alternator I now
have. Both grooves on my pulley are the same. BTW, I changed to the new Flightline
AC mounting bracket that moves the alternator back over to the right side
of the engine and puts the compressor on the left. This change was due to
bearing failure in the tensioner pulleys in the old setup.
--------
David Maib
RV-10 #40559
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=354802#354802
Message 4
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| Subject: | Re: Plane Power and Lycoming Pulley Alignment Issue |
I just got a call from Lycoming. They now agree that there is an alignment issue
with the LW-12227 and Plane Power's 60a alternator. They are currently working
with Plane Power on how to best resolve the issue. They are also reaching
out to the mutual customer in Brazil to understand what alternator they are
using. They asked to give them a few days to coordinate with everyone. I'll
provide updates as I get them.
I just wish that Van's would step up and take leadership here instead of passing
the buck to Lycoming and Plane Power.
bob
--------
Bob Leffler
N410BL - FWF
RV-10 #40684
http://mykitlog.com/rleffler
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=354809#354809
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