Today's Message Index:
----------------------
1. 01:41 AM - Re: ULPower UL350i (Rob Turk)
2. 02:32 AM - Re: Re: ULPower UL350i (James, Clive R)
3. 03:49 PM - Fuel Pressure Sensor Location???? (lwhitlow)
4. 04:22 PM - Re: Fuel Pressure Sensor Location???? (DaveG601XL)
5. 04:47 PM - Re: Fuel Pressure Sensor Location???? (Don Honabach)
6. 06:02 PM - Re: Fuel Pressure Sensor Location???? (lwhitlow)
7. 06:03 PM - Re: Fuel Pressure Sensor Location???? (lwhitlow)
8. 07:08 PM - Re: Fuel Pressure Sensor Location???? (DaveG601XL)
9. 11:55 PM - Re: Re: Fuel Pressure Sensor Location???? (=?iso-8859-1?Q?J=E9rme_Delamare?=)
Message 1
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| Subject: | Re: ULPower UL350i |
Besides the fuel injection Fadec stuff, this looks like a "scale 1.5:1
Jabiru 2200". A four cylinder 3.6L engine. My first worry would be the
pulsed power of such big jugs directly driving the propeller.
We already need to be selective on the types of hub and props to use on our
direct drive Jabiru 2200 and 3300 engines, I would request some detailed
information on the torque pulses before ordering a propeller for this
puppy...
Rob
----- Original Message -----
From: Joe Ronco
Sent: Friday, January 16, 2009 5:20 PM
Subject: RE: JabiruEngine-List: Re: 3300A - Full Throttle Roughness
Or you could trade it in for a new UL Power (www.ulpower.com) Model UL350i
(same or better performance as the 3300) and get EFI/FADEC as standard. No
messing with carburetors, carb heat or carb ice, fuel distribution etc. ULP
has also introduced redundancy options for the ECU.
See: http://www.ulpower.com/ul260i-qa-ecu.htm. Click on link at bottom of
page for schematics of optional ECU arrangements.
See attachments for preliminary UL350i specifications and performance. ULP
is fine tuning/optimizing the UL350i design with release to the market
expected 2Q/3Q 2009.
Joe R
Message 2
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| Subject: | Re: ULPower UL350i |
Like Jabiru did with us UL power are now doing their R+D on customers
planes. Any potential buyers should bear that in mind.
That said I've had hours of fun with my Jab and know it intimately. The
core engine is great and now I have 5th generation heads on it I think
it's quite sorted.
So I'll consider a UL power unit in about 6 years.....
CJ
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of Rob
Turk
Sent: 18 January 2009 09:39
Subject: JabiruEngine-List: Re: ULPower UL350i
Besides the fuel injection Fadec stuff, this looks like a "scale 1.5:1
Jabiru 2200". A four cylinder 3.6L engine. My first worry would be the
pulsed power of such big jugs directly driving the propeller.
We already need to be selective on the types of hub and props to use on
our direct drive Jabiru 2200 and 3300 engines, I would request some
detailed information on the torque pulses before ordering a propeller
for this puppy...
Rob
----- Original Message -----
From: Joe Ronco
Sent: Friday, January 16, 2009 5:20 PM
Subject: RE: JabiruEngine-List: Re: 3300A - Full Throttle Roughness
Or you could trade it in for a new UL Power (www.ulpower.com) Model
UL350i
(same or better performance as the 3300) and get EFI/FADEC as standard.
No
messing with carburetors, carb heat or carb ice, fuel distribution etc.
ULP
has also introduced redundancy options for the ECU.
See: http://www.ulpower.com/ul260i-qa-ecu.htm. Click on link at bottom
of
page for schematics of optional ECU arrangements.
See attachments for preliminary UL350i specifications and performance.
ULP
is fine tuning/optimizing the UL350i design with release to the market
expected 2Q/3Q 2009.
Joe R
Message 3
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| Subject: | Fuel Pressure Sensor Location???? |
All
I'm working on the engine install on my 601XL Jab 3300 with the Jab FWF kit
I'm using a Dynon ems and I'm at a loss on where to put the fuel pressure sensor
??
Should it go in the line after the engine driven fuel pump?
Or should it be before??
How about the primer port on the Gascolator???
I have no clue here and pictures as always would be helpful
Thanks
Larry
601XL 85%done 71% to go
N69102 (reserved) or N747LW (reserved) can't make up my mind
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=225551#225551
Message 4
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| Subject: | Re: Fuel Pressure Sensor Location???? |
Larry,
The fuel pressure transducer should be placed between the engine fuel pump and
the carb. Cap off the primer port on the gaslocator.
Unfortunately I do not have a good picture of my fuel pressure transducer. Attached
is the best I have. I mounted my oil recovery bottle on the right side
motor mounts by way of sheet aluminum and adel clamps. I mounted the fuel pressure
transducer to the back of this mounting sheet using a big adel clamp around
the transducer.
Good luck,
--------
David Gallagher
601 XL/Jabiru 3300
First flight 7/24/08
Phase I flight test complete 10/16/08
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=225557#225557
Attachments:
http://forums.matronics.com//files/fuselage_344_603.jpg
Message 5
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| Subject: | Fuel Pressure Sensor Location???? |
I have a 3300 on the older 601HDS with a Dynon EMS (FlightDek 180) which
should be similar to your setup.
Since ultimately you care about the pressure that the carb is seeing, I
took the fuel hose from the output of the mechanical/engine driven fuel
pump and placed a T connector in it and connected one end to the fuel
pressure sensor (that I got from Dynon) and the other end to the carb
fuel intake port. My fuel pressure sensor is located on the right side
of the firewall (passenger side).
I also placed the fuel pressure sensor at the same level as the carb - I
don't understand this but I was told that if I was concerned about the
pressure #s of the carb, that the fuel pressure sensor should be at the
same level for the best accuracy.
Be aware that the Dynon setup may not be the best for the 3300s. If I
remember correctly, our fuel pressure needs to be between 0.75 to 3 PSI.
The Dynon is setup for a sender that measures 0 to 30PSI and combined
with the fact that Dynon doesn't include a zero'ing function in their
software to handle starting at a true 0 point with the sensor your
numbers may not be all that accurate for the range we need to measure
(with any luck they'll update their software in the next version).
Also, if I understand this correctly the idea is just to have a bit of
positive pressure with the Bing carbs. If you have too much - over 3 PSI
(?), you'll overwhelm the carb and have issues with fuel overflowing,
etc. For what it's worth, I normally see between 1 to 1.75 PSI with just
the engine driven pump running depending on WOT or cruise.
Don
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
lwhitlow
Sent: Sunday, January 18, 2009 16:49
Subject: JabiruEngine-List: Fuel Pressure Sensor Location????
<ldwhitlow@comcast.net>
All
I'm working on the engine install on my 601XL Jab 3300 with the Jab FWF
kit
I'm using a Dynon ems and I'm at a loss on where to put the fuel
pressure sensor ??
Should it go in the line after the engine driven fuel pump?
Or should it be before??
How about the primer port on the Gascolator???
I have no clue here and pictures as always would be helpful
Thanks
Larry
601XL 85%done 71% to go
N69102 (reserved) or N747LW (reserved) can't make up my mind
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=225551#225551
Checked by AVG - http://www.avg.com
1/18/2009 12:11
Message 6
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| Subject: | Re: Fuel Pressure Sensor Location???? |
DaveG601XL wrote:
> Larry,
>
> The fuel pressure transducer should be placed between the engine fuel pump and
the carb. Cap off the primer port on the gaslocator.
>
> Unfortunately I do not have a good picture of my fuel pressure transducer. Attached
is the best I have. I mounted my oil recovery bottle on the right side
motor mounts by way of sheet aluminum and adel clamps. I mounted the fuel pressure
transducer to the back of this mounting sheet using a big adel clamp around
the transducer.
>
> Good luck,
Thanks Dave!! I kinda thought it would have to go in the line from the fuel pump
to the carb but it never hurts to ask. I'm doing my oil recovery the same
way so I'll just put it there.
Larry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=225573#225573
Message 7
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| Subject: | Re: Fuel Pressure Sensor Location???? |
don(at)pcperfect.com wrote:
> I have a 3300 on the older 601HDS with a Dynon EMS (FlightDek 180) which
> should be similar to your setup.
>
> Since ultimately you care about the pressure that the carb is seeing, I
> took the fuel hose from the output of the mechanical/engine driven fuel
> pump and placed a T connector in it and connected one end to the fuel
> pressure sensor (that I got from Dynon) and the other end to the carb
> fuel intake port. My fuel pressure sensor is located on the right side
> of the firewall (passenger side).
>
> I also placed the fuel pressure sensor at the same level as the carb - I
> don't understand this but I was told that if I was concerned about the
> pressure #s of the carb, that the fuel pressure sensor should be at the
> same level for the best accuracy.
>
> Be aware that the Dynon setup may not be the best for the 3300s. If I
> remember correctly, our fuel pressure needs to be between 0.75 to 3 PSI.
> The Dynon is setup for a sender that measures 0 to 30PSI and combined
> with the fact that Dynon doesn't include a zero'ing function in their
> software to handle starting at a true 0 point with the sensor your
> numbers may not be all that accurate for the range we need to measure
> (with any luck they'll update their software in the next version).
>
> Also, if I understand this correctly the idea is just to have a bit of
> positive pressure with the Bing carbs. If you have too much - over 3 PSI
> (?), you'll overwhelm the carb and have issues with fuel overflowing,
> etc. For what it's worth, I normally see between 1 to 1.75 PSI with just
> the engine driven pump running depending on WOT or cruise.
>
> Don
>
> --
Thanks Don
I'm gonna post a question over on the Dynon site and see if they can offer any
help
Larry
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=225574#225574
Message 8
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| Subject: | Re: Fuel Pressure Sensor Location???? |
Larry,
I agree with Don that there could be something better than a 0-30 PSI transducer
here. I asked Dynon about a smaller one last year, but they do not offer one.
The 0-30 does seem to work OK, but we are definately on it's low end.
If you could find a 0-10 or 0-15 transducer that works on 5 VDC excitation and
is compatible with engine compartment surroundings, it would probably work. I
would go fly and not sweat it for now (I did).
--------
David Gallagher
601 XL/Jabiru 3300
First flight 7/24/08
Phase I flight test complete 10/16/08
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=225582#225582
Message 9
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| Subject: | Re: Fuel Pressure Sensor Location???? |
I use a UMA 7 psi sensor between mechanical pump and carb. It's perfect.
I
calibrate it with the file attached.
http://www.aircraftspruce.com/catalog/inpages/umasenderA.php
J=E9rme
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
DaveG601XL
Sent: lundi 19 janvier 2009 04:06
Subject: JabiruEngine-List: Re: Fuel Pressure Sensor Location????
<david.m.gallagher@ge.com>
Larry,
I agree with Don that there could be something better than a 0-30 PSI
transducer here. I asked Dynon about a smaller one last year, but they
do
not offer one. The 0-30 does seem to work OK, but we are definately on
it's
low end.
If you could find a 0-10 or 0-15 transducer that works on 5 VDC
excitation
and is compatible with engine compartment surroundings, it would
probably
work. I would go fly and not sweat it for now (I did).
--------
David Gallagher
601 XL/Jabiru 3300
First flight 7/24/08
Phase I flight test complete 10/16/08
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=225582#225582
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