Today's Message Index:
----------------------
1. 02:35 AM - Re: New Lycoming Website (Jon A. Delamarter)
2. 04:11 AM - Re: New Lycoming Website (Jon A. Delamarter)
3. 01:22 PM - Re: Fuel pump tests (Gilles Thesee)
4. 02:57 PM - Re: Fuel pump tests (Noel Loveys)
5. 03:09 PM - Re: Re: New Lycoming Website (Noel Loveys)
6. 11:15 PM - Re: Re: New Lycoming Website (teamgrumman@aol.com)
7. 11:30 PM - Re: Re: New Lycoming Website (teamgrumman@aol.com)
Message 1
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| Subject: | Re: New Lycoming Website |
Again, I'm not at liberty to discuss development details, including timelines,
but I can tell you that the EEC program is Lycoming's top new product development
program. Our team of engineers and experimental technicians is working almost
around the clock to complete the project.
--------
Jon A. Delamarter
Thunderbolt Manager
Lycoming Engines
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=100659#100659
Message 2
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| Subject: | Re: New Lycoming Website |
Okay, Gary, here's the response from Unison.
Hey John,
Sounds to me like your customer got a bit of the "Unison shuffle". I can assure
you and your customer Unison does not view LASAR as a nuisance, but as a premium
product that requires a lot of hands on to "spec" out a complete system.
We often ask questions that, to an end customer, may seem ridulous or uneccessary,
but we require a lot of information to provide them with the exactly correct
system.
One of the major problems with LASAR is the complete lack of skilled individuals
in the field with the LASAR systems. Unlike our Slick magnetos, LASAR is not
a simple product. So many mechanics shy away from it, typically as it is not
a simple product to understand. For that reason, all LASAR questions are now
100% answered by Unison, not by trained mechanics in the field. If we had to
answer every single question about Slick mags, we'd be overloaded. So with
LASAR, it's a crushing amount of interest handled by only one or two people at
Unison. In fact, while we do not attempt to make excuses, our product support
engineer of 45 years, Lyman Hardt, passed away last year. His loss has hurt
Unison in many ways. Specifically, in our piston engine product support group.
We lost more than a person, we lost a lifetime of experience.
It sounds like here, your customer may have caught our product support person (yes,
we only have one) on a bad day. We have not replaced Lyman at Unison and
left 100% of his responsibilities to one person. While I may personally disagree
with this strategy, it is what it is.
What I recommend for your customers is to contact our piston engine product support
line at 904-739-4081 first. We are adding a new (not really new, as he's
been at Unison for almost 10 years) product support engineer in the next few
weeks. If your end customers do not feel they are getting the support they require,
feel free to have them contact our field reps as referenced below.
I can assure you, Unison is not going anywhere. While we are not perfect, we strive
to fix any perceived issues in a timely manner. Kinda like LASAR, which
has undergone 4 revision upgrades in it's 12 year history, we put our money where
our mouth is. By the way, you can tell your customer that the LASAR product
line is for sale. What's he offering?... :)
>From stormy New Zealand,
Fred Sontag
Unison Distribution Sales Manager
Eastern US & Canada
Kara Smith
904-739-4208
kara.smith@unisonindustries.com
Western US & Canada
Gina Van Slyke
904-739-4049
gina.van.slyke@unisonindustries.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=100663#100663
Message 3
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| Subject: | Re: Fuel pump tests |
Hinde, Frank George (Corvallis) a crit :
>
>
> Your right that is exactly what is happening. It also gets worse as the
> temperature of the fuel increases, namely thru a hot engine driven
> pump...I gets worse further with altitude and the harder you suck on the
> fuel. When it gets really bad its called vapour lock and your engine
> quits. It will also happen more with autofuel than with 100LL due to the
> higher vapour pressure of the mogas. Low wing airplanes (with wing tanks
> and no header tank are much more susceptable because the engine driven
> pump is sucking uphill.
>
> This coindiently may happen at the worse possible time i.e a hot Summer
> day at a high altitude airport where your fuel has been heat
> soaked....You run full power, the engine gets real hot and Here come the
> trees!
>
> So, what to do?....Mount a low pressure electric pump as close to the
> outlet of tha tank as possible with no pressure drop on the inlet side
> of the pump.
>
Frank,
Thank you for responding.
Actually we have wing tanks and our pumps are on the firewall, some
inches higher than wing root level. To date we've reached FL 145 in
winter on Avgas, and recently flew at FL 135 on Mogas without any problems.
I also flew at 37C OAT (only up to 6000 ft).
But you're right on the pumps in the wing roots in a perfect circuit.
Best regards,
Gilles
http://contrails.free.fr
Message 4
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I use a siphon to defuel my plane after every flight. I made the siphon
specifically out of clear fuel line and a squeeze bulb the squeeze bulb is
considerably below the highest point on the siphon but it always seems to
find a bubble or two while the fuel is flowing. If I stop the fuel flow by
plugging the out flow the bubbles completely disappear to re appear again as
soon as the fuel starts to flow again. Go figure.
Noel
> -----Original Message-----
> From: owner-engines-list-server@matronics.com
> [mailto:owner-engines-list-server@matronics.com] On Behalf Of
> Gilles Thesee
> Sent: Wednesday, March 14, 2007 4:40 PM
> To: engines-list@matronics.com
> Subject: Engines-List: Fuel pump tests
>
>
> <Gilles.Thesee@ac-grenoble.fr>
>
> Hi all,
>
> Just conducted some test on our Rotax 914 fuel system, just
> to learn more.
> The idea was running a brand new electrical pump with clear plastic
> tubing from different points of the circuit, and observing what was
> going on.
> We noted that slugs of bubbles appear on the suction side of the pump
> when it is connected downstream of the fuel valve (large
> pressure drop).
> On the pressure side of the pump, very few bubbles appear.
>
> My interpretation is that when the pump draws fuel from a restricted
> portion of the circuit such as the fuel valve and all the
> fittings and
> elbows, the most volatile fraction of the fuel tends to vaporise, and
> then condenses when under pressure downstream of the pump.
> I believe this is a normal phenomenon, but it was the first time I
> observed it through clear hoses.
> Has anyone already seen such a phenomenon ? Any comments ?
>
> Some info on our engine fuel system here :
> http://contrails.free.fr/engine_regul_en.php
>
>
> Thanks,
> Regards,
> Gilles Thesee
> http://contrails.free.fr
>
>
>
>
>
>
>
>
>
>
>
Message 5
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| Subject: | Re: New Lycoming Website |
About time!!!!!
Thanks. I'll be watching! What I'd like to see is a control by wire piston
engine. One control for everything.
Noel
> -----Original Message-----
> From: owner-engines-list-server@matronics.com
> [mailto:owner-engines-list-server@matronics.com] On Behalf Of
> Jon A. Delamarter
> Sent: Wednesday, March 14, 2007 10:04 PM
> To: engines-list@matronics.com
> Subject: Engines-List: Re: New Lycoming Website
>
>
> <jdelamarter@lycoming.textron.com>
>
> Gary:
>
> Actually, Lycoming is extensively engaged in Electronic
> Engine Control development. I can't spill the beans yet, but
> suffice to say that we are making excellent progress and I am
> really excited about the product we will be bringing to
> market! This system will control all engine parameters, not
> just ignition. Keep watching!
>
> All the best,
>
> --------
> Jon A. Delamarter
> Thunderbolt Manager
> Lycoming Engines
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=100596#100596
>
>
>
>
>
>
>
>
>
>
>
Message 6
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| Subject: | Re: New Lycoming Website |
is this something as straight forward (I say, tongue-in-cheek) to
install as the LASAR?
-----Original Message-----
From: jdelamarter@lycoming.textron.com
Sent: Thu, 15 Mar 2007 2:34 AM
Subject: Engines-List: Re: New Lycoming Website
<jdelamarter@lycoming.textron.com>
Again, I'm not at liberty to discuss development details, including
timelines,
but I can tell you that the EEC program is Lycoming's top new product
development program. Our team of engineers and experimental
technicians is
working almost around the clock to complete the project.
--------
Jon A. Delamarter
Thunderbolt Manager
Lycoming Engines
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=100659#100659
________________________________________________________________________
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Message 7
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| Subject: | Re: New Lycoming Website |
Thanks for the update. I printed the email, I'll save it for future
installations. Hopefully, next time will go easier.
-----Original Message-----
From: jdelamarter@lycoming.textron.com
Sent: Thu, 15 Mar 2007 4:10 AM
Subject: Engines-List: Re: New Lycoming Website
<jdelamarter@lycoming.textron.com>
Okay, Gary, here's the response from Unison.
Hey John,
Sounds to me like your customer got a bit of the "Unison shuffle". I
can assure
you and your customer Unison does not view LASAR as a nuisance, but as
a premium
product that requires a lot of hands on to "spec" out a complete
system. We
often ask questions that, to an end customer, may seem ridulous or
uneccessary,
but we require a lot of information to provide them with the exactly
correct
system.
One of the major problems with LASAR is the complete lack of skilled
individuals
in the field with the LASAR systems. Unlike our Slick magnetos, LASAR
is not a
simple product. So many mechanics shy away from it, typically as it is
not a
simple product to understand. For that reason, all LASAR questions are
now 100%
answered by Unison, not by trained mechanics in the field. If we had
to answer
every single question about Slick mags, we'd be overloaded. So with
LASAR, it's
a crushing amount of interest handled by only one or two people at
Unison. In
fact, while we do not attempt to make excuses, our product support
engineer of
45 years, Lyman Hardt, passed away last year. His loss has hurt Unison
in many
ways. Specifically, in our piston engine product support group. We
lost more
than a person, we lost a lifetime of experience.
It sounds like here, your customer may have caught our product support
person
(yes, we only have one) on a bad day. We have not replaced Lyman at
Unison and
left 100% of his responsibilities to one person. While I may
personally
disagree with this strategy, it is what it is.
What I recommend for your customers is to contact our piston engine
product
support line at 904-739-4081 first. We are adding a new (not really
new, as
he's been at Unison for almost 10 years) product support engineer in
the next
few weeks. If your end customers do not feel they are getting the
support they
require, feel free to have them contact our field reps as referenced
below.
I can assure you, Unison is not going anywhere. While we are not
perfect, we
strive to fix any perceived issues in a timely manner. Kinda like
LASAR, which
has undergone 4 revision upgrades in it's 12 year history, we put our
money
where our mouth is. By the way, you can tell your customer that the
LASAR
product line is for sale. What's he offering?... :)
>From stormy New Zealand,
Fred Sontag
Unison Distribution Sales Manager
Eastern US & Canada
Kara Smith
904-739-4208
kara.smith@unisonindustries.com
Western US & Canada
Gina Van Slyke
904-739-4049
gina.van.slyke@unisonindustries.com
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=100663#100663
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