Today's Message Index:
----------------------
1. 12:32 AM - Re: Engine Installation (icrashrc)
2. 01:54 AM - Re: Propeller pitch (Jean PILLAUDIN)
3. 02:02 AM - Re: Propeller pitch (icrashrc)
4. 06:03 AM - Re: brake lines/tow cart (Thom Riddle)
5. 06:12 AM - Re: Propeller pitch (John Hauck)
6. 06:13 AM - Re: Re: Engine Installation (John Hauck)
7. 07:05 AM - Re: Propeller pitch (robcannon)
8. 08:01 AM - Re: Re: Propeller pitch (Richard & Martha Neilsen)
9. 11:40 AM - Re: Brake lines (Kirby, Dennis CTR USAF AFMC MDA/AL)
10. 12:08 PM - Re: Re: Brake lines (herb)
11. 12:16 PM - 912 Carb Heat (Kirby, Dennis CTR USAF AFMC MDA/AL)
12. 12:32 PM - Re: Re: Brake lines (robert bean)
13. 01:41 PM - Re: 912 Carb Heat (John Hauck)
14. 03:44 PM - Re: Re: Brake lines (Dana Hague)
15. 08:10 PM - Re: Re: Brake lines (ElleryWeld@aol.com)
16. 10:24 PM - Re: Propeller pitch (icrashrc)
17. 10:27 PM - Re: Propeller pitch (icrashrc)
18. 10:32 PM - Re: Engine Installation (icrashrc)
Message 1
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Subject: | Re: Engine Installation |
Good eye! Pics were taken in process. Everything was tightened before we ran the
engine. After we finish the center gap fill we'll take it all back apart for
paint and covering.
williamtsullivan(at)att.n wrote:
> Scott- That is a nice, neat installation. I do see a loose nut- are you going
to disassemble, or did you take a photo in progress?
>
> Bill Sullivan
> Windsor Locks, Ct.
>
--------
Scott
www.ill-EagleAviation.com
do not archive
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Message 2
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Subject: | Re: Propeller pitch |
Hi Scott,
Very good idea you have!
Be carefull to not turn your laser in his support between two blade, because
the optic axe of the laser is not the axe of this small tube. If you take
care of that you'll have a very precise method.
I use this kind of laser stuff to collimate my newton telescope (To align
properly the primary mirror with the secondary) and I have to firmly fix the
tube in the support to avoid any kind of alignment error.
Thank's for sharing this with us !
Good construction.
Jean
2008/12/22 icrashrc <icrashrc@aol.com>
>
> Getting the pitch set exactly the same on all prop blades is very
> important. Here's how Paul and I did it.
>
> http://ill-eagleaviation.com/prop_laser.htm
>
> --------
> Scott
>
> www.ill-EagleAviation.com
>
> do not archive
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=220484#220484
>
>
Message 3
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Subject: | Re: Propeller pitch |
The laser is fixed. It can"t rotate in the mount. Other wise yes, there could [would]
be issues with the optical center of the laser.
--------
Scott
www.ill-EagleAviation.com
do not archive
Read this topic online here:
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Subject: | Re: brake lines/tow cart |
Bob,
Having landed on your field many times, I believe your decision to go with metallic
brake lines near the wheels is probably a good one. Sometimes your airport
maintenance folks do a great job and sometimes they are kicking back with a
beer or ten, watching the grass grow to unseemly lengths :-).
--------
Thom Riddle
N1208P RANS S6S, Tailwheel, 912UL
N197BG FS1/447
--------------------
It is by universal misunderstanding that all agree. For if, by ill luck, people
understood each other, they would never agree.
- Charles Baudelaire
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Subject: | Re: Propeller pitch |
> Getting the pitch set exactly the same on all prop blades is very
> important. Here's how Paul and I did it.
> --------
> Scott
Hi Scott:
Looks like a good idea.
I have always set pitch on my Warp Drives with their protractor. However,
there is always a little bit of chance to not get each of the three blades
set exactly alike. It does make a lot of difference if all three blades are
set identically.
I'd like to have a set up like that, something you could hang on the blade,
after leveling of course, and be able to set all three blades the same
without fear of not having the laser pointer in the same position.
john h - 22F, up from 21F when I got up a few minutes ago.
mkIII
Message 6
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Subject: | Re: Engine Installation |
> Can't tell from the photo but is the drain plug offset to the side of
that brace? Just wondering what oil changes will be like with the tank up
there?
>
> LS
LS:
I pull my tank to change oil. This also gives me a chance to rinse the tank
out with gasoline, take it apart, and inspect the innards.
john h
mkIII
Message 7
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Subject: | Re: Propeller pitch |
I used a digital level. Not quite as cheap (except I borrowed mine), but is very
simple, and accurate as well. You can buy digital angle finders fairly inexpensively,
and they would also work well. To find the pitch there is no need
to level the plane for and aft (relatively level sideways is nice). Take a reading
off the prop flange, then just subtract (or add) this from the reading you
take off the blades. (clamp the level to the blades with a quick clamp) To
do quick, accurate adjustments you also need some way of getting the snug blades
to move micro amounts. A one by four ( piece of wood ) about 30 inches long,
with your prop airfoil hole cut in it works great.
When setting up my hks four blade powerfin, I did so many prop changes, I got
it down to about 3 minutes !
cheers, Rob Cannon
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=220517#220517
Message 8
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Subject: | Re: Propeller pitch |
Rob
I used to use the laser method on my Powerfin prop but I found that the
factory method using the dowel pin and feeler gages worked more accurately
and is quicker. Another benefit is that I can tweak the pitch in very small
increments (much less than one degree). I also use a 2x4 with the blade
cutout for moving the blades.
When you use a laser or even a digital protractor there are so many
variables that can introduce uneven pitches between blades. I also had a
fixture I would rest on the wing to hold the leading edge of the prop in the
same exact rotation to reduce the inaccuracy between blades when using a
laser.
Rick Neilsen
Redrive VW powered MKIIIC
----- Original Message -----
From: "robcannon" <leecannon@telus.net>
Sent: Monday, December 22, 2008 7:05 AM
Subject: Kolb-List: Re: Propeller pitch
>
> I used a digital level. Not quite as cheap (except I borrowed mine), but
> is very simple, and accurate as well. You can buy digital angle finders
> fairly inexpensively, and they would also work well. To find the pitch
> there is no need to level the plane for and aft (relatively level
> sideways is nice). Take a reading off the prop flange, then just subtract
> (or add) this from the reading you take off the blades. (clamp the level
> to the blades with a quick clamp) To do quick, accurate adjustments you
> also need some way of getting the snug blades to move micro amounts. A
> one by four ( piece of wood ) about 30 inches long, with your prop airfoil
> hole cut in it works great.
> When setting up my hks four blade powerfin, I did so many prop changes,
> I got it down to about 3 minutes !
> cheers, Rob Cannon
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=220517#220517
>
>
>
Message 9
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<< Aircraft Brake fluid is not transmission oil ... not anywhere near
the same stuff just because it is red in color, Use the right fluid for
manufacture recommendation with the brake system you have. Ellery >>
Ellery, and Kolb Friends -
Am happy to report that Matco Mfg (in Utah) recommends automotive
Automatic Transmission Fluid for use in their brake systems. I know
this because I called them and asked this very question. Many of our
Kolbs have Matco brakes, including mine. Being able to use ATF makes it
convenient.
Dennis Kirby
Cedar Crest, NM
Do not archive
Message 10
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|
the only trouble in using the "right Stuff" ; is
..that it can be and maybe, usually
is, a generic product with "for aircraft use"
written on it at 10 times the price....!! ....:-) frugal Herb
At 01:38 PM 12/22/2008, you wrote:
><
>
>
>< Aircraft Brake fluid is not transmission oil =85
>not anywhere near the same stuff just because it
>is red in color, Use the right fluid for
>manufacture recommendation with the brake system you have. Ellery >>
>
>Ellery, and Kolb Friends '
>
>Am happy to report that Matco Mfg (in Utah)
>recommends automotive Automatic Transmission
>Fluid for use in their brake systems. I know
>this because I called them and asked this very
>question. Many of our Kolbs have Matco brakes,
>including mine. Being able to use ATF makes it convenient.
>
>Dennis Kirby
>Cedar Crest, NM
>Do not archive
>
>
Message 11
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|
<< I paid 385.00 for a hot water carb heat system which included the
covers. I
flew with the carb heat system for a few years, then uninstalled
everything
except the filter covers. john h >>
John -
I'm curious: why didn't you want to keep that carb heat system on your
912?
I'm undecided on the decision to get one or not for my 912ul. On a few
occasions flying my Mark-3 in likely-carb-ice conditions (humid air,
60-degree temps), I've detected my engine give a brief falter in RPM,
which is a sign of the carbs shedding a bit of ice that just formed.
Really gets your attention.
I've seen 'em advertised through Lockwood, and I thought having a carb
ice prevention system on my engine might add safety. True?
Dennis Kirby
"Magic Bike," N93DK in
Cedar Crest, NM
Message 12
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Considering this thread, I wondered why cars use glycol-based fluid
instead of a straight mineral oil.
It must have to do with early seal rubber longevity. The boiling
point difference between ATF and glycol can't be large.
Mineral would seem to be superior if only for the lack of hygroscopic
quality.
BTW, I changed the seals in my matco wheel cylinders so I could use
car fluid in them and my dune buggy master cylinder.
BB
On 22, Dec 2008, at 3:07 PM, herb wrote:
>
> the only trouble in using the "right Stuff" ; is ..that it can be
> and maybe, usually is, a generic product with "for aircraft use"
> written on it at 10 times the price....!! ....:-) frugal Herb
>
> At 01:38 PM 12/22/2008, you wrote:
>> <
>>
>>
>> < Aircraft Brake fluid is not transmission oil =85 not anywhere near
>> the same stuff just because it is red in color, Use the right
>> fluid for manufacture recommendation with the brake system you
>> have. Ellery >>
>>
>> Ellery, and Kolb Friends '
>>
>> Am happy to report that Matco Mfg (in Utah) recommends automotive
>> Automatic Transmission Fluid for use in their brake systems. I
>> know this because I called them and asked this very question.
>> Many of our Kolbs have Matco brakes, including mine. Being able
>> to use ATF makes it convenient.
>>
>> Dennis Kirby
>> Cedar Crest, NM
>> Do not archive
>>
>>
>>
>>
>>
>>
>
Message 13
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Subject: | Re: 912 Carb Heat |
Dennis:
I bought and installed the carb heat system, hot water, after encountering
carb ice on a flight to Alaska in 2000. On my approach to Toad River, BC,
I lost the engine, at idle, just prior to touch down. I already had the fi
eld made, so no problem there. Another reminder to shoot the approach to m
ake the field if the engine quits on final. Norm Labhardt did not do that.
A lot of other pilots have not done that and have paid the price.
Soon as I rolled out and stopped, I hit the starter and the engine would no
t start with the throttle at normal position for starting, closed. I opene
d the throttle some and the engine then started. It ran perfect above 3,00
0 rpm, but would shut down as soon as I let the rpm drop below 3,000. I ta
xiied back to the east end of the strip and shut her down. Walked across t
he Alaska Highway, got a cup of coffee, walked back to the airplane and aga
in tried to crank it. This is about 20 minutes later. Engine fired right
up and idled like a Singer sewing machine. Problem was the idle jet iced u
p. I gave the ice time to melt and the engine was running normal again.
I installed the carb heat system prior to my Alaska flight in 2001. Used i
t for several years. Never did like it because of the hot water system tap
ping into the coolant line, plus piping hot water into the cockpit area for
the control valve. Do not really know how effective it was. Never had an
icing problem except the one time in Canada, and have never had an icing p
roblem since then. The Bing carbs on the 912 series engines are not prone
to icing problems. I do not consider icing up an idle jet, once, in more t
han 2,500 912 hours a problem. Never heard of another 912 being put down b
ecause of carb ice.
The plumbing set caused wear on the K&N air filters and probably restricted
airflow somewhat. There was also tghe chance of the soft aluminum tubing
coiled around the air filters failing and losing coolant and creating a for
ced landing situation.
I don't have a carb ice problem in the high humidity environment I live in.
I doubt you would ever have a problem in NM.
Based on where, and the hours, I have flown the 912 engines, since 1994, I
figure I don't need carb heat.
john h
mkIII - Getting ready for Monument Valley 2009. ;-)
I'm curious: why didn't you want to keep that carb heat system on your 91
2?
Dennis Kirby
Message 14
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At 03:31 PM 12/22/2008, robert bean wrote:
>Considering this thread, I wondered why cars use glycol-based fluid
>instead of a straight mineral oil.
>It must have to do with early seal rubber longevity. The boiling
>point difference between ATF and glycol can't be large.
>Mineral would seem to be superior if only for the lack of hygroscopic quality.
I don't know for sure, but perhaps for flammability issues? Oil could burn
if it springs a leak on hot brake components? Pretty sure glycol isn't
flammable.
-Dana
--
To Be Old And Wise You Must First Be Young And Stupid
Message 15
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Dennis I know that some Brake systems use ATF I was just pointing out that
ATF and aircraft brake fluid 5606-A are both Red in color but not The same
liquid Make sure you all use the correct Fluid for your system
Ellery in Maine
do not archive
In a message dated 12/22/2008 3:08:25 P.M. Eastern Standard Time,
herbgh@nctc.com writes:
the only trouble in using the "right Stuff" ; is ..that it can be and maybe
,
usually is, a generic product with "for aircraft use" written on it at 1
0
times the price....!! ....:-) frugal Herb
At 01:38 PM 12/22/2008, you wrote:
<
< Aircraft Brake fluid is not transmission oil not anywhere near
the same
stuff just because it is red in color, Use the right fluid for manufacture
recommendation with the brake system you have. Ellery >>
Ellery, and Kolb Friends =93
Am happy to report that Matco Mfg (in Utah) recommends automotive Automatic
Transmission Fluid for use in their brake systems. I know this because I
called them and asked this very question. Many of our Kolbs have Matco bra
kes,
including mine. Being able to use ATF makes it convenient.
Dennis Kirby
Cedar Crest, NM
Do not archive
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Message 16
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Subject: | Re: Propeller pitch |
Rick,
I'm not sure where you were getting your inaccuracies from but our method was very
repeatable. To within 1/32" of pitch over a distance of more than 5 feet.
That works out under .03 degrees of variance. Things to keep in mind. The plane
needs to be on blocks so that it is in the exact same position from one blade
to the next. The laser needs to be in the exact same place on each blade. The
only way i know of doing that is with a fixture. Hence the fiberglass fixture.
And obviously each blade needs to be in the same position, rotation wise or
it all falls apart rather quickly. Measuring up from the floor to a small mark
on the glass fixture worked well for us.
I've not seen the Powerfin method but it may very well be better. I have seen the
Warp protractor and was not impressed.
--------
Scott
www.ill-EagleAviation.com
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=220687#220687
Message 17
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Subject: | Re: Propeller pitch |
John,
If you want to borrow ours you're more than welcome. If you would rather have one
of you own i can probably find the time to make one up. Email me direct and
we'll figure something out.
John Hauck wrote:
>
> > Getting the pitch set exactly the same on all prop blades is very
> > important. Here's how Paul and I did it.
> > > --------
> >
>
>
> > Scott
> >
> >
>
>
> Hi Scott:
>
> Looks like a good idea.
>
> I have always set pitch on my Warp Drives with their protractor. However,
> there is always a little bit of chance to not get each of the three blades
> set exactly alike. It does make a lot of difference if all three blades are
> set identically.
>
> I'd like to have a set up like that, something you could hang on the blade,
> after leveling of course, and be able to set all three blades the same
> without fear of not having the laser pointer in the same position.
>
> john h - 22F, up from 21F when I got up a few minutes ago.
> mkIII
--------
Scott
www.ill-EagleAviation.com
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=220689#220689
Message 18
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Subject: | Re: Engine Installation |
John,
Do you find any debris or crud when you rinse out the oil tank? If so is there
more when you burn 100LL? Thanks,
John Hauck wrote:
>
> I pull my tank to change oil. This also gives me a chance to rinse the tank
> out with gasoline, take it apart, and inspect the innards.
>
> john h
> mkIII
--------
Scott
www.ill-EagleAviation.com
do not archive
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=220690#220690
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