Today's Message Index:
----------------------
1. 06:05 AM - Re: CH601XL and Jabiru 3300 Performance (mhubel)
2. 06:45 PM - Prop selection for Jabiru 3300 (Mark Stauffer)
3. 07:23 PM - Re: Prop selection for Jabiru 3300 (Floyd)
4. 07:24 PM - Re: CH601XL and Jabiru 3300 Performance (mhubel)
5. 08:18 PM - Re: CH601XL and Jabiru 3300 Performance (Ron Lendon)
Message 1
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| Subject: | Re: CH601XL and Jabiru 3300 Performance |
Steven
I have the TBI 40 mounted so the throttle rod is on the bottom. There was no room
on the top. It did not appear there was a choice. I also added a lever arm
to increase the throttle knob movement and allow for duel throttles. I am still
working on making the mixture more even but I do have pictures of the present
installation and will fetch them next time I am at the hanger within the next
couple of days.
--------
Mark Hubelbank
N708HU
CH601XL
Jabiru 3300
Rotec TBI 40 carb
Sensenich ground adj prop.
28 hr TAF
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=268513#268513
Message 2
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| Subject: | Prop selection for Jabiru 3300 |
Rich,
Somehow I missed your voice mail, it never showed up as a call - I got it
several days later. Hopefully Dana was able to answer your questions.
To answer your question here - I have a Sensenich wood W64KZ51. This was the
recommended prop when I first purchased my firewall forward over four years
ago. They've now switched to a W64ZK49. My first flight I saw 2700 rpm on
takeoff and climb out at 90mph. Today I was seeing about 2790-2800 at the
same climb out speed which is about right. Today was a cooler day in TN -
about 60 degrees this evening. Tonight I was able to get 3060 at WOT. That
may be a bit low. I'm still working out some jetting issues on the Bing, I'm
running fairly rich in both WOT and cruise. I recorded an hour flight
tonight in the GRT EFIS but shut the power off before I copied over to the
memory stick. DOH!!
Also, I have an earlier solid lifter engine - SN 845.
At 3060 I was indicating 140-143 mph. I say this with the caveat that I'm
still calibrating my ASI. I think it reads a bit high.
Hopefully this nice weather will hold out and I can fly again tomorrow
evening - and record the flight!
Give me a call when you get a chance.
Mark
601XL
Jabiru 3300
6.3 hours!
Hey folks!
After a long wait, i have a Jabiru 3300. Yeah!!
Now, I need to order my firewall forward kit and prop.
There are 3 options.
1) one for short field take off
2) one for traveling - Higher cruse speeds
3) something in the middle.
For those with the same engine, what did you choose an why?
Rich
Murfreesboro, TN
601XL
Hoping to fly by Spring 2011
Message 3
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| Subject: | Re: Prop selection for Jabiru 3300 |
Mark,
If you are using the Zenith supplied pitot/static tubes, you will probably
find the indicated/calibrated are way off at higher speed.
My tests in knots were 107 KIAS=98 CAS 95 KIAS=88 KCAS 85KIAS KCAS
75KIAS = 73 KCAS 65 KIAS = 65 KCAS.
By placing a small O-ring on the static port slightly behind the static port
holes, I was able to get the IAS to equal the CAS in the 100 knot range but
made the IAS about 10 knots less the CAS in the 40 knot range. It took
several flight adjusting the position of the O ring to make this happen.
Floyd Wilkes
601XL O-200
----- Original Message -----
From: "Mark Stauffer" <mark.stauffer1@gmail.com>
Sent: Monday, October 19, 2009 8:44 PM
Subject: Zenith601-List: Prop selection for Jabiru 3300
> <mark.stauffer1@gmail.com>
>
> Rich,
>
> Somehow I missed your voice mail, it never showed up as a call - I got it
> several days later. Hopefully Dana was able to answer your questions.
>
> To answer your question here - I have a Sensenich wood W64KZ51. This was
> the
> recommended prop when I first purchased my firewall forward over four
> years
> ago. They've now switched to a W64ZK49. My first flight I saw 2700 rpm on
> takeoff and climb out at 90mph. Today I was seeing about 2790-2800 at the
> same climb out speed which is about right. Today was a cooler day in TN -
> about 60 degrees this evening. Tonight I was able to get 3060 at WOT. That
> may be a bit low. I'm still working out some jetting issues on the Bing,
> I'm
> running fairly rich in both WOT and cruise. I recorded an hour flight
> tonight in the GRT EFIS but shut the power off before I copied over to the
> memory stick. DOH!!
>
> Also, I have an earlier solid lifter engine - SN 845.
>
> At 3060 I was indicating 140-143 mph. I say this with the caveat that I'm
> still calibrating my ASI. I think it reads a bit high.
>
> Hopefully this nice weather will hold out and I can fly again tomorrow
> evening - and record the flight!
>
> Give me a call when you get a chance.
>
> Mark
>
> 601XL
> Jabiru 3300
> 6.3 hours!
>
>
> Hey folks!
>
> After a long wait, i have a Jabiru 3300. Yeah!!
>
> Now, I need to order my firewall forward kit and prop.
>
> There are 3 options.
> 1) one for short field take off
> 2) one for traveling - Higher cruse speeds
> 3) something in the middle.
>
> For those with the same engine, what did you choose an why?
>
>
> Rich
> Murfreesboro, TN
> 601XL
> Hoping to fly by Spring 2011
>
>
>
Message 4
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| Subject: | Re: CH601XL and Jabiru 3300 Performance |
Steve,
I have posted a number of pictures of the TBI 40 in my Jabiru 3300 at photo.hubbles.com,
see the N708HU album and then at the end are some as yet unlabeled pictures
of the installation.
This shows a lever to increase the throttle throw and allow a duel throttle arrangement.
At this time I have tested it with the ring shown in picture 668 between the carb
and the engine. This makes all but cylinder 6 behave well. That one has too
high a EGT during WOT. I will try the ring in 669 next.
--------
Mark Hubelbank
N708HU
CH601XL
Jabiru 3300
Rotec TBI 40 carb
Sensenich ground adj prop.
28 hr TAF
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=268634#268634
Message 5
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| Subject: | Re: CH601XL and Jabiru 3300 Performance |
You guys with the TBI might want to read about the Tornado Fuel Saver. Mark Langford
uses one and has found it to help balance out the temps on his Corvair
motor. Anyway it's noted at the bottom of this page:
http://home.hiwaay.net/~langford/corvair/intake.html
--------
Ron Lendon, Clinton Township, MI
WW Corvair with Roy's Garage 5th bearing
Zodiac XL, ScrapBuilder ;-)
http://www.mykitlog.com/rlendon
Corvair Engine Prints:
http://home.comcast.net/~rlendon/site/
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=268642#268642
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