Today's Message Index:
----------------------
0. 12:19 AM - What Members Are Saying... (Matt Dralle)
1. 03:48 AM - Re: Anyone with a jab on a mk3c/x?? (pj.ladd)
2. 06:56 AM - The New Kolb Company Website (Mike Welch)
3. 07:50 AM - Re: The New Kolb Company Website (Jim)
4. 08:28 AM - Re: Anyone with a jab on a mk3c/x?? (Jerry Jones)
5. 08:43 AM - Re: The New Kolb Company Website (Travis Brown (Kolb Aircraft))
6. 08:45 AM - TNK website follow-up (Mike Welch)
7. 10:01 AM - Re: Anyone with a jab on a mk3c/x?? (JetPilot)
8. 10:11 AM - Re: Fuel Boost Pump for MkIII/Rotax912 (JetPilot)
9. 10:13 AM - Re: Anyone with a jab on a mk3c/x?? (ces308)
10. 10:15 AM - Re: Anyone with a jab on a mk3c/x?? (gary aman)
11. 10:45 AM - Re: Fuel Boost Pump for MkIII/Rotax912 (Kirby, Dennis CTR USAF AFMC MDA/AL)
12. 01:21 PM - Re: Anyone with a jab on a mk3c/x?? (Richard & Martha Neilsen)
13. 06:55 PM - Re: Anyone with a jab on a mk3c/x?? (Jerry Jones)
14. 07:56 PM - Re: Anyone with a jab on a mk3c/x?? (ces308)
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| Subject: | What Members Are Saying... |
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Message 1
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| Subject: | Re: Anyone with a jab on a mk3c/x?? |
Jabiru 2200 on a MK 3 C or X >>
Hi Chris,
The Jabi is the only 4 stroke cleared for use with the Xtra in the UK.
Lighter than the 912. I have only been able to accumulate a few flying
hours, this summer has been almost non existent, and I have not flown the
Kolb with any other engine.
I can not give you comparisons but apart from being very noisy it seems OK.
The noise I think is not the fault of the Jabi. In the tractor
configuration and cowled it is very quiet but totally exposed and with the
pusher set up you wouldn`t want to fly without a headset.
With your rules of course there is nothing to stop you making a nice
streamlined fairing which might change the whole aspect.
The engine is designed to run at 2800 rpm and this will give 65/70+
depending on trim and load.
Cheers
Pat
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| Subject: | The New Kolb Company Website |
Kolb guys=2C
Anybody know what's up with the TNK website?? It's been down since yeste
rday.
Plus=2C their Xtra didn't sell for the minimum price they set.
I don't have their phone number=2C but someone might give them a call and
see how things
are going...and then let us know.
I'm just concerned. These are truely tough times for many!!!!
Mike Welch
MkIII CX
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Message 3
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| Subject: | Re: The New Kolb Company Website |
Travis once told me that their site was managed "Offsite", I can`t remember
where exactly, but it maybe by the group pushing the Kolb Flyer. I`ve been
in contact with them late lat week, & while I have been let in on a few th
ings, I think It was meant to be confidential. None of the things I was tol
d would lead me to think anything was seriously wrong. they just need some
sales, like anyone else.
Lets just hope its the server.
Do not archive
Jim Kmet
----- Original Message -----
From: Mike Welch
To: kolb-list@matronics.com
Sent: Tuesday, November 18, 2008 6:54 AM
Subject: Kolb-List: The New Kolb Company Website
Kolb guys,
Anybody know what's up with the TNK website?? It's been down since yes
terday.
Plus, their Xtra didn't sell for the minimum price they set.
I don't have their phone number, but someone might give them a call and
see how things
are going...and then let us know.
I'm just concerned. These are truely tough times for many!!!!
Mike Welch
MkIII CX
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Message 4
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| Subject: | Re: Anyone with a jab on a mk3c/x?? |
Pat,
FWIW, there are many of us flying in front of and behind the Jab.
Prop length makes a huge difference in noise in the pusher
configuration. Though not quiet, my 58-inch prop in a pusher config
was way more quiet than the guys who used 62-inch props, regardless
of the pusher they were flying. As you say, in the tractor
configuration it's an all together different story. My Skyranger is
known as the airport stealth, it's so quiet.
Jerry
>
> I can not give you comparisons but apart from being very noisy it
> seems OK. The noise I think is not the fault of the Jabi. In the
> tractor configuration and cowled it is very quiet but totally
> exposed and with the pusher set up you wouldn`t want to fly without
> a headset.
>
Message 5
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| Subject: | Re: The New Kolb Company Website |
Hey Guys
Everything is fine here at TNK. I will see what is up with the web
site.
Travis @ Kolb
----- Original Message -----
From: Jim
To: kolb-list@matronics.com
Sent: Tuesday, November 18, 2008 10:36 AM
Subject: Re: Kolb-List: The New Kolb Company Website
Travis once told me that their site was managed "Offsite", I can`t
remember where exactly, but it maybe by the group pushing the Kolb
Flyer. I`ve been in contact with them late lat week, & while I have been
let in on a few things, I think It was meant to be confidential. None of
the things I was told would lead me to think anything was seriously
wrong. they just need some sales, like anyone else.
Lets just hope its the server.
Do not archive
Jim Kmet
----- Original Message -----
From: Mike Welch
To: kolb-list@matronics.com
Sent: Tuesday, November 18, 2008 6:54 AM
Subject: Kolb-List: The New Kolb Company Website
Kolb guys,
Anybody know what's up with the TNK website?? It's been down
since yesterday.
Plus, their Xtra didn't sell for the minimum price they set.
I don't have their phone number, but someone might give them a
call and see how things
are going...and then let us know.
I'm just concerned. These are truely tough times for many!!!!
Mike Welch
MkIII CX
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matronics.com/contribution
p://www.matronics.com/Navigator?Kolb-List
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Message 6
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| Subject: | TNK website follow-up |
Kolb guys=2C
Not to worry!! I managed to find TNK's phone number and gave them a call
. I talked to
Travis=2C all is well.
I guess I was just letting the "economy demons" get to me=2C and I was wo
rried 'bout 'em!
(But=2C I still can't get their website to come up. ??? Maybe it's just m
y computer. ??)
Mike Welch
_________________________________________________________________
Get more done=2C have more fun=2C and stay more connected with Windows Mobi
le=AE.
Message 7
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| Subject: | Re: Anyone with a jab on a mk3c/x?? |
Pat,
The MX III is very loud inside with the 912 also, even with headsets the noise
was a problem for me. I don't know if you are allowed to modify anything on your
plane in the UK, but the fix is pretty cheap and easy to do. My airplane
is much more enjoyable to fly since the sound proofing. If you want pictures,
let me know.
Mike
--------
"NO FEAR" - If you have no fear you did not go as fast as you could
have !!!
Kolb MK-III Xtra, 912-S
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=214996#214996
Message 8
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| Subject: | Re: Fuel Boost Pump for MkIII/Rotax912 |
The Facet pump seems to be the standard pump that most people are using on small
experimentals. California power systems sells them on their website, and lists
the pressure and which one is for the 912. I use the ACS gascolator, its
great, super easy to drain for water, and is cheap at around 70 bucks from Aircraft
spruce. I also use the Challenger 10 micron Stainless Steel fuel filter
from Aircraft spruce, it is expensive, but it is a very high quality filter
that is cleanable and will last forever, and no garbage will get past that stainless
steel element. It is very expensive at ACS at 140 bucks :( But it
is made by Golan industries and can be bought for about 80 bucks on the net.
I like Aircraft Spruce, and I buy a lot of stuff from them even if it is a bit
more expensive, but when the price is about twice what it should be then its
worth it to start looking elsewhere.
Sounds like you are putting together a really good fuel system, that will increase
your safety and engine reliability a lot. The EAA says half of all engine
failures in experimentals are caused by the fuel system... BTW Kolb sells
a really nice 18 gallon aluminum tank that slides right in where the plastic tanks
go, very easy to do and very good quality, no mods needed.
Mike
--------
"NO FEAR" - If you have no fear you did not go as fast as you could
have !!!
Kolb MK-III Xtra, 912-S
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=214998#214998
Message 9
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| Subject: | Re: Anyone with a jab on a mk3c/x?? |
Mike...
Pictures ,please....always pictures!
Thank you all for responding to this!...one more thing too...pushers are always
louder...Listen to a Lake or a Cessna 337...you can alway tell them apart from
the others..
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=214999#214999
Message 10
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| Subject: | Re: Anyone with a jab on a mk3c/x?? |
Chris,
That would be me.It flies fine,good climb,70 cruise @2600rpm,2.8 gph.Top speed
full throttle,3100 rpm just under 90mph,and 2000hr TBO.Easy starting,smooth
running.That being said,everyone on this list will tell you not to install one
on your aircraft ,and for good reason.A direct drive prop generates a boat
load of noise above 2300rpm on a pusher.I have gone to extraordinary measures
to silence this in the cabin,and can say that it is only tolerable.Not good,not
fair,only tolerable.It's a good engine,without the rattles and shudder you get
out of the 912 series on shut down and startup.But that slow turning prop on
the 912s make it hard to beat on a pusher.The VW with redrive is as close as
you can get and for about 1/2 the money.Happy hunting
Gary Aman MK-C jabiru 2200 390 hrs.
________________________________
From: ces308 <ces308@ldaco.com>
Sent: Tuesday, November 18, 2008 1:32:00 AM
Subject: Kolb-List: Anyone with a jab on a mk3c/x??
Is there anyone out there with a Jabiru 2200 on a MK 3 C or X ?If there is can
you please give me some kind of idea of how it flies with it?
thanks,
chris ambrose
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=214837#214837
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| Subject: | Re: Fuel Boost Pump for MkIII/Rotax912 |
<< ... the question is what type (facet?) and size (4 psi?) boost pump
is recommended
for the 912. Mark Rinehart >>
Mark -
I installed the "standard" Facet electric (solid state) fuel pump on my
Mark-3 to supplement the engine-driven mechanical pump on the 912. (4.5
psi) Still under thirty bucks, in most aircraft catalogs. It is
installed level with the bottom of my fuel tanks, attached to the cage
longerons, behind the pilot seat. Works great.
Check the archives - lots of discussion on this topic.
Dennis Kirby
Mark-III, 912ul, "Magic Bike"
Cedar Crest, NM
Message 12
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| Subject: | Re: Anyone with a jab on a mk3c/x?? |
Hey guys with all the changes I have made to engines over the years the
primary noise maker is the prop. Get your tip speeds down and most of the
noise will disappear. When I had a direct drive VW with a 60 inch prop
turning 3600 RPM the tips would go super sonic. It would wake the dead, When
switched to a 72 inch prop turning 2200 RPM it got much quieter. I had tried
insulation and a muffler but nothing made as much impact as cutting the prop
tip speeds.
Later when I changed to a new engine mounting system and some of the noise
came back. So another major source of noise inside the cockpit is
transmission of engine vibrations thru the engine mount. Set up a engine
mount that lets the engine float as much as possible with out twisting or
moving around too much.
Hope this helps.
Rick Neilsen
Redrive VW powered MKIIIC
----- Original Message -----
From: "Jerry Jones" <maderah2@sbcglobal.net>
Sent: Tuesday, November 18, 2008 11:27 AM
Subject: Re: Kolb-List: Anyone with a jab on a mk3c/x??
>
> Pat,
>
> FWIW, there are many of us flying in front of and behind the Jab. Prop
> length makes a huge difference in noise in the pusher configuration.
> Though not quiet, my 58-inch prop in a pusher config was way more quiet
> than the guys who used 62-inch props, regardless of the pusher they were
> flying. As you say, in the tractor configuration it's an all together
> different story. My Skyranger is known as the airport stealth, it's so
> quiet.
>
> Jerry
>
>>
>> I can not give you comparisons but apart from being very noisy it seems
>> OK. The noise I think is not the fault of the Jabi. In the tractor
>> configuration and cowled it is very quiet but totally exposed and with
>> the pusher set up you wouldn`t want to fly without a headset.
>>
>
>
>
Message 13
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| Subject: | Re: Anyone with a jab on a mk3c/x?? |
Another way for reducing pusher prop noise, though I'm probably
repeating myself, is to go to a 3-blade prop instead of a two. Much
of the noise comes from the blades chopping the disturbed air off the
wings. With a 2-blade, both blades chop at the same time increasing
the noise level. Three blades have only one blade at a time chopping
the air, thereby reducing the noise. The only three blade I'm aware
of for a Jabiru is a Warp with perhaps a special adaptor plate. If
Sensenich's new carbon fibre prop can be had with three blades, that
would be the way to go IMHO, but perhaps a touch expensive.
Jerry
On Nov 18, 2008, at 1:20 PM, Richard & Martha Neilsen wrote:
> <NeilsenRM@comcast.net>
>
> Hey guys with all the changes I have made to engines over the years
> the primary noise maker is the prop. Get your tip speeds down and
> most of the noise will disappear.
> _
Message 14
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| Subject: | Re: Anyone with a jab on a mk3c/x?? |
I know....I was told that about the prop too....First i need to get this thing
in the air and see what it does to get a base line...
chris ambrose
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=215102#215102
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