Today's Message Index:
----------------------
1. 12:15 AM - Re: ROP versus LOP... How to lean a bing (=?iso-8859-1?Q?J=E9rme_Delamare?=)
2. 03:53 AM - Re: ROP versus LOP... How to lean a bing (Lynn Matteson)
3. 05:17 AM - Looking for a Prop Extension Flange for a 3300 (Jeffrey J Paris)
4. 08:23 AM - Re: Looking for a Prop Extension Flange for a 3300 (jim)
5. 11:43 AM - Re: Looking for a Prop Extension Flange for a 3300 (Mark Hubelbank)
Message 1
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| Subject: | ROP versus LOP... How to lean a bing |
You understand this system correctly Lynn.
The advantage of the electric pump is the ability to be controlled by an
electronic device. So, a cab engine can be controlled like an injected one.
Electronic Controlled carb advantages :
- Very easy to adapt
- no problem in case of electric failure
Electronic controlled Injection advantage (single injector) :
- better fuel vaporization (as Ellison and Rotec TBI)
But, as a lot of people reports, the big deal is to balance the intake of
the engine...
Jrme
-----Original Message-----
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of Lynn
Matteson
Sent: mercredi 26 aot 2009 02:20
Subject: Re: JabiruEngine-List: ROP versus LOP... How to lean a bing
Hi Jerome-
If I understand this system correctly, you are putting a vacuum (low
pressure) on the float bowl, so the engine is fighting against this
vacuum to get its fair share of fuel, right? So it goes lean if you
put enough vacuum on the float bowl?
Somebody local told me about his leaning device, and it sounded
pretty much the same. I think he used the vacuum from the engine
going through a needle valve to control the vacuum, if I understood
him correctly.
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 744.1 hrs
Sensenich 62"x46" Wood prop
Electroair direct-fire ignition system
Rotec TBI-40 injection
Status: flying
On Aug 25, 2009, at 5:28 PM, Jrme Delamare wrote:
> <lynnmatt@jps.net>
>
> .../ Mine wasn't until I
>
> installed the Rotec TBI-40 with its mixture control. Stuck with a
>
> Bing, I wasn't able to try this operation/...
>
>
> Hi Lynn,
>
>
> It's quite easy to lean a bing. You just have to create a low
> pressure in the fuel bowl. The lower pressure you have, the more
> you lean.
>
> Some people use the engine low pressure. I think HACman use this
> method :
>
> http://www.greenskyadventures.com/bing/4strokePG2.htm
>
>
> Other people use an homemade air pump. The same kind of pump that
> you can find in a vacuum cleaner. This pump is located between the
> air box and the fuel bowl. With this method you can have an
> electric control of the mixture (partial vacuum depends on rpm).
> It's very safe because you just have to switch off the vacuum pump
> and you run a "normal bing".
>
>
> How simple is it ? (see picture)
>
>
> This system has been designed by Michel Colomban. Michel Colomban
> is the designer of the Cricri (http://flight.cz/cricri/english/cri-
> cri-photos-pictures-cameron.php) and other airplanes like Bambi,
> MCR and Luciole.
>
>
> With this system you can obtain a leaner mixture but not a richer
> one. So if you want to lean a bing, you need to apply JSB 18 in
> order to have a rich mixture in normal operation.
>
>
> Jrme
>
>
> Jabiru #3144, MCR, Sensenich Carbon
>
>
Message 2
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| Subject: | Re: ROP versus LOP... How to lean a bing |
Well then, I've got the best of all possible worlds, because I've got
a gravity feed fuel flow into the Rotec TBI, and if all electrical
systems fail, I've still got fuel. Of course, with my Electroair
ignition system, I still need a battery...but then, I've got two of
them, so I'm good to go, unless I'm REALLY havin' a BAD DAY! : )
Lynn Matteson
Kitfox IV Speedster, taildragger
Jabiru 2200, #2062, 744.1 hrs
Sensenich 62"x46" Wood prop
Electroair direct-fire ignition system
Rotec TBI-40 injection
Status: flying
On Aug 26, 2009, at 3:03 AM, Jrme Delamare wrote:
> J=E9rme_Delamare?= <jeromedelamare@free.fr>
>
> You understand this system correctly Lynn.
> The advantage of the electric pump is the ability to be controlled
> by an
> electronic device. So, a cab engine can be controlled like an
> injected one.
> Electronic Controlled carb advantages :
> - Very easy to adapt
> - no problem in case of electric failure
> Electronic controlled Injection advantage (single injector) :
> - better fuel vaporization (as Ellison and Rotec TBI)
>
> But, as a lot of people reports, the big deal is to balance the
> intake of
> the engine...
>
> Jrme
>
>
Message 3
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| Subject: | Looking for a Prop Extension Flange for a 3300 |
Dear Purveyors of all this Jabiru:
I am in search of a Prop extension flange for a Jab3300, does anyone have on
e for sale?
Cheers,
Jeff Paris #A012 Europa Classic 1900+ hours in to the build ...it's getting
close!
Flying Zenith Zodiac-CH601xl 260 HOURS OF PURE FUN!
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obPCFZ6VqLBW/
Message 4
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| Subject: | Re: Looking for a Prop Extension Flange for a 3300 |
Hi Jeff
I have them in stock.
Jim McCormick
Jabiru Pacific LLC
255 W Fallbrook Suite 202B
Fresno, Ca 93711
P 559.431.1701
F 559.233.3676
www.jabirupacific.com
On 8/26/09 5:13 AM, "Jeffrey J Paris" <jeffrey-j-paris@excite.com> wrote:
> Dear Purveyors of all this Jabiru:
>
> I am in search of a Prop extension flange for a Jab3300, does anyone have one
> for sale?
>
> Cheers,
>
> Jeff Paris #A012 Europa Classic 1900+ hours in to the build ...it's getting
> close!
>
> Flying Zenith Zodiac-CH601xl 260 HOURS OF PURE FUN!
>
>
>
> Supplements
> <http://tagline.excite.com/fc/FgElN1g4c6sc4HPOXot3EwdNYh4D1C7ZgIKR8mRqX6djl1No
> bPCFZ6VqLBW/>
> Shop & save on the supplements you want. Click now!
> <http://tagline.excite.com/fc/FgElN1g4c6sc4HPOXot3EwdNYh4D1C7ZgIKR8mRqX6djl1No
> bPCFZ6VqLBW/>
> Click Here For More Information
> <http://tagline.excite.com/fc/FgElN1g4c6sc4HPOXot3EwdNYh4D1C7ZgIKR8mRqX6djl1No
> bPCFZ6VqLBW/>
>
>
>
>
>
Message 5
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| Subject: | Re: Looking for a Prop Extension Flange for a 3300 |
Jeff,
I have never posted a reply on this list. It is not clear if this
generates the proper response.
I do have a spare flange extension from a 3300.
On 8/26/2009 8:13 AM, Jeffrey J Paris wrote:
>
> Dear Purveyors of all this Jabiru:
>
> I am in search of a Prop extension flange for a Jab3300, does anyone
> have one for sale?
>
> Cheers,
>
> Jeff Paris #A012 Europa Classic 1900+ hours in to the build ...it's
> getting close!
>
> Flying Zenith Zodiac-CH601xl 260 HOURS OF PURE FUN!
>
> ------------------------------------------------------------------------
>
> Supplements
> <http://tagline.excite.com/fc/FgElN1g4c6sc4HPOXot3EwdNYh4D1C7ZgIKR8mRqX6djl1NobPCFZ6VqLBW/>
>
> Shop & save on the supplements you want. Click now!
> <http://tagline.excite.com/fc/FgElN1g4c6sc4HPOXot3EwdNYh4D1C7ZgIKR8mRqX6djl1NobPCFZ6VqLBW/>
>
> Click Here For More Information
> <http://tagline.excite.com/fc/FgElN1g4c6sc4HPOXot3EwdNYh4D1C7ZgIKR8mRqX6djl1NobPCFZ6VqLBW/>
>
>
>
>
> *
>
>
> *
--
Mark Hubelbank
NorthEast Monitoring
2 Clock Tower Place
Suite 555
Maynard, MA, 01754 - USA
mhubel@nemon.com
978-443-3955
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