Today's Message Index:
----------------------
1. 02:36 AM - Kitty Hawk to Kolb (SGreenpg@aol.com)
2. 02:45 AM - Re: Stop Over 300 mi so of london ??? (Jim Ballenger)
3. 03:45 AM - Re: Kitty Hawk to Kolb (John Hauck)
4. 06:35 AM - Re: Rotax 503 Intake Manifold for single carb wanted (Bruce Harrison)
5. 07:34 AM - Last minute anyone want ride to fly-in??? (BMWBikeCrz@aol.com)
6. 09:25 AM - octane levels (boyd young)
7. 01:41 PM - Dihedral (Mike Pierzina)
8. 02:24 PM - Ailerons Balance Weights (Richard & Martha Neilsen)
9. 02:55 PM - Re: Dihedral/Polyhedral (ul15rhb@juno.com)
10. 03:43 PM - Re: Dihedral/Polyhedral (Beauford)
11. 05:37 PM - Re: Dihedral/Polyhedral (Bob N.)
12. 06:29 PM - Re: Ailerons Balance Weights (Don Gherardini)
13. 06:58 PM - Re: Dihedral/polyhedral (Edward Chmielewski)
14. 07:14 PM - Octane...... (Jim Baker)
15. 07:26 PM - Re: Dihedral/polyhedral (Jack & Louise Hart)
Message 1
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| Subject: | Kitty Hawk to Kolb |
--> Kolb-List message posted by: SGreenpg@aol.com
It's 5:30 and I have just finished loading those last few things into the
plane. I am hoping for a quick burn off of the fog so I can be on my way to meet
the Johns in Wallace, NC for the Kitty Hawk --> Kolb trip.
See Ya'll in London
Steven
N58SG
Message 2
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| Subject: | Re: Stop Over 300 mi so of london ??? |
--> Kolb-List message posted by: "Jim Ballenger" <ulpilot@cavtel.net>
Dave
Can I assume you are a BMW motorcycle rider by your email address? I am
building a MK3X and looking for an engine and thought about the BMW R1100
with a gear reduction drive. Have you had any trouble with the BMW engine?
If anybody on the list is flying with a BMW , let me know what you think.
Thanks
Jim Ballenger
Flying a FS KXP 447
Building a MK III X
Virginia Beach, VA
DO NOT ARCHIVE
----- Original Message -----
From: <BMWBikeCrz@aol.com>
Subject: Re: Kolb-List: Stop Over 300 mi so of london ???
> --> Kolb-List message posted by: BMWBikeCrz@aol.com
>
> I am driving up from florida Any one have tent space about 300 to 350 mile
> south of London KY ...Near I-75 ? Thanks ... Dave
>
>
Message 3
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| Subject: | Re: Kitty Hawk to Kolb |
--> Kolb-List message posted by: John Hauck <jhauck@elmore.rr.com>
> It's 5:30 and I have just finished loading those last few things into the
> plane. I am hoping for a quick burn off of the fog so I can be on my way to
meet
> the Johns in Wallace, NC for the Kitty Hawk --> Kolb trip.
>
> See Ya'll in London
>
> Steven
Good Morning Steven/Gang:
We are up, The Johns and Gary Haley, and getting ready to
head for the airport. I haven't looked outside yet, but
hoping it will be a repeat of yesterday morning, crystal
clear and cool.
Just got a report from the gang, it is clear and cool. :-)
See you all in Wallace, NC, and London, Ky,
john h
Message 4
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| Subject: | Re: Rotax 503 Intake Manifold for single carb wanted |
--> Kolb-List message posted by: "Bruce Harrison" <firestarii@hotmail.com>
Thanks for the responses listers. I believe I have found a suitable manifold
for my purposes. Yesterday I had another response off list offering an
intake manifold for 503 for $75 plus shipping, but somehow the message got
deleted. I'd like to hear back from you in case the manifold I've agreed to
buy doesn't work out. Thanks.
>From: jerb <ulflyer@verizon.net>
>Reply-To: kolb-list@matronics.com
>To: kolb-list@matronics.com
>Subject: Re: Kolb-List: Rotax 503 Intake Manifold for single carb wanted
>Date: Sun, 21 Sep 2003 00:03:39 -0700
>
>--> Kolb-List message posted by: jerb <ulflyer@verizon.net>
>
>Did you try Tom Olenik at http://www.buyitsellitfixit.com/rotax.htm
>He would probably have one. Tom a good guy and provides excellent Rotax
>repair service.
>jerb
>
>At 04:11 PM 9/19/03 -0400, you wrote:
> >--> Kolb-List message posted by: "Bruce Harrison"
><firestarii@hotmail.com>
> >
> >Hello listers: I've tried trolling for an intake manifold for Rotax 503
> >Single Carb on various sites on the Internet and have come up mostly
>empty.
> >Just thought I'd try a shot at our list of "experimenters."
> >
> >I have a late model 503 DCDCDI and after comparing experiences with
>flying a
> >single-carb 377 and then this engine for the last 50 hours, I have
>decided I
> >prefer the single carb. My feeling is that I don't need the extra 4
> >horsepower as much as I'd like to have the lighter feel on the throttle,
>a
> >single throttle and choke cable instead of all the splitters, the
>slightly
> >improved fuel economy, and the ability to switch jets in half the time.
> >
> >Anybody go the other way on this experiment (single carb to dual) and
>have
> >the single manifold available? Email me description and price off list
> >please. Thanks.
> >
> >
>
>
Message 5
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| Subject: | Last minute anyone want ride to fly-in??? |
--> Kolb-List message posted by: BMWBikeCrz@aol.com
I have space for one NON Smoking Rider can pick you up any where between Dade
City Florida and the fly in along I-75 ...
You split fuel from that point and Back ...
Thanks ! Dave
Message 6
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--> Kolb-List message posted by: "boyd young" <by0ung@brigham.net>
better to use higher than that. My question is , is there any benifit to
running higher than 87 octane? Someone said the lower octane burns hotter. (is
that
what we want?) Does the higher octane burn cleaner?
I guess at this point we all agree to use Minimum 87 . Is there any reason to
burn mid grade or high test?
the lower the octane the more suseptable the fuel is to pre ignition and or detenation...
as i understand it the condition is started by the heating process
due to the compression ratio.... the lower the compression ratio the less heat
caused by compression... and the less chance of pre ignition... the higher
compression causes more heat in compression and the higher possibility of preignition...
the higher octane provides the stability needed in the higher compression
engines to prevent preignition - dettonation. i would think that
another source of preignition would be carbon deposits that dont get a chance
to cool andwork like a glow plug.
boyd
Message 7
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RCVD_FAKE_HELO_DOTCOM
--> Kolb-List message posted by: "Mike Pierzina" <planecrazzzy@lycos.com>
Hey Guys,
Since we're doing the A,B,C's of airplane building.
Do any of you know what "Polyhedral" is ?
Gotta Fly...
Mike in MN
Do Not Archive
SNIP>>>>>>
It is like anhedral, only hanging upwrds.
Bob N.
Get advanced SPAM filtering on Webmail or POP Mail ... Get Lycos Mail!
Message 8
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| Subject: | Ailerons Balance Weights |
--> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM@comcast.net>
Over the past few years I have laid claim to keeping my aileron flutter from occurring
with only a small weight in the balance arm. A bit ago I was flying faster
than I normally do (app. 85 MPH) to get home before dark and I noticed a
new low frequency vibration that I traced to aileron flutter. The flutter was
occurring at about the frequency that one would wave at you and only on the aileron
on the passenger side. I have flown at speeds up to 95MPH before and didn't
notice any vibration but it wasn't violent so I might have missed it. The
balance weight that I had was only two inches long with about one inch in the
balance arm. I have since installed a four inch long balance weight with one inch
in the balance arm and flown at 85MPH with no flutter. This weight still doesn't
100% balance the aileron but is closer. Please note my ailerons are built
using a product listed in Aircraft Spruce as "Trailing Edge" stock. Because
I used this trailing edge material my ailerons are heaver than stock.
Rick Neilsen
Redrive VW powered MKIIIc
Message 9
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| Subject: | Re: Dihedral/Polyhedral |
--> Kolb-List message posted by: ul15rhb@juno.com
Mike,
That's when there are designed bend(s) in the wing structure. Many
free-flight models have polyhedral build into the wings for longitudinal
stability so they could fly a straight course.
While on the subject of dihedral/polyhedral, I gave my Firestar more
dihedral than most. The design called for 1" raised from level on the
last rib of the wing and I gave it 2-7/8". Mine has a little more
longitudinal stability and can turn with rudder input if held long
enough. Comparing it to others I've flown without it, I would say that it
didn't make that much difference except for cosmetics. The wings don't
appear to droop.
Ralph Burlingame
Original Firestar
16 years flying it
On Wed, 24 Sep 2003 15:41:10 -0500 "Mike Pierzina"
<planecrazzzy@lycos.com> writes:
> --> Kolb-List message posted by: "Mike Pierzina"
> <planecrazzzy@lycos.com>
>
> Hey Guys,
> Since we're doing the A,B,C's of airplane building.
> Do any of you know what "Polyhedral" is ?
> Gotta Fly...
> Mike in MN
>
> Do Not Archive
The best thing to hit the internet in years - Juno SpeedBand!
Surf the web up to FIVE TIMES FASTER!
Message 10
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| Subject: | Re: Dihedral/Polyhedral |
--> Kolb-List message posted by: "Beauford" <beauford@tampabay.rr.com>
MIke:
a. Poly, is the older of the infamous Hedral sisters who terrorized eastern
portions of Jefferson County, Kentucky in the late '50's... I dated her
briefly, but dropped out for logistical reasons...
b. I agree with Brother Burlingame that Kolbs look appreciably less
fatigued with a small amount of dihedral cranked in... Let's face it, viewed
from certain angles, they do tend to remind one of a weary Cormorant
attempting to dry its apparatus.... I put about 2.5 inches of dihedral into
the Fly, and, since I am considerably more concerned with appearances rather
than technical substance or excellence, have never regretted it. Flys just
fine, and actually (dare I say it) exhibits just a tad of roll axis
stability...
Worth what ye paid fer it...
DO NOT ARCHIVE
Beauford
FF #076
Brandon FL
----- Original Message -----
Subject: Re: Kolb-List: Dihedral/Polyhedral
> --> Kolb-List message posted by: ul15rhb@juno.com
>
> Mike,
>
. Comparing it to others I've flown without it, I would say that it
> didn't make that much difference except for cosmetics. The wings don't
> appear to droop.
>
> Ralph Burlingame
> Original Firestar
> 16 years flying it
>
>
> On Wed, 24 Sep 2003 15:41:10 -0500 "Mike Pierzina"
> <planecrazzzy@lycos.com> writes:
> > --> Kolb-List message posted by: "Mike Pierzina"
> > <planecrazzzy@lycos.com>
> >
> > Hey Guys,
> > Since we're doing the A,B,C's of airplane building.
> > Do any of you know what "Polyhedral" is ?
> > Gotta Fly...
> > Mike in MN
> >
> > Do Not Archive
>
> The best thing to hit the internet in years - Juno SpeedBand!
> Surf the web up to FIVE TIMES FASTER!
>
>
Message 11
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| Subject: | Re: Dihedral/Polyhedral |
--> Kolb-List message posted by: "Bob N." <ronoy@shentel.net>
Polyhedral--in wings--is a combination of dihedral and anhedral. Imagine
my old fren' the F4U Corsair, but with the outer sections of the wings
bent down past the usual straight out. Some people call them accordian wings.
Bob N.
http://www.angelfire.com/rpg/ronoy/
do not archive
Message 12
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| Subject: | Re: Ailerons Balance Weights |
--> Kolb-List message posted by: "Don Gherardini" <donghe@one-eleven.net>
Richard...It makes sense to me. As time goes by and clearances in hinge pins
and control linkages...and other associated parts, the possibility for
Flutter oscillation increases, and if you are not 100% balanced....then a
tad more will likely be needed to move the bottom of that "flutter speed
envelope" up and out of our performance envelope.
http://www.geocities.com/dagger369th/my_firefly.htm
Don Gherardini-
FireFly 098
Message 13
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| Subject: | Re: Dihedral/polyhedral |
--> Kolb-List message posted by: "Edward Chmielewski" <edchmiel@mindspring.com>
Mike/Kolbers,
I think poly is 'many', and hedral is 'angle'. Who's got their Latin dictionary?
Topher? Got a minute?
Ed in JXN
MkII/503
Do not archive
----- Original Message -----
From: "Mike Pierzina" <planecrazzzy@lycos.com>
> --> Kolb-List message posted by: "Mike Pierzina" <planecrazzzy@lycos.com>
>
> Hey Guys,
> Since we're doing the A,B,C's of airplane building.
> Do any of you know what "Polyhedral" is ?
> Gotta Fly...
> Mike in MN
>
> Do Not Archive
Message 14
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--> Kolb-List message posted by: "Jim Baker" <jlbaker@telepath.com>
> the lower the octane the more suseptable the fuel is to pre ignition
> and or detenation...
Of course it is...that's the sole function of an octane rating. Period.
> as i understand it the condition is started by
> the heating process due to the compression ratio.... the lower the
> compression ratio the less heat caused by compression... and the less
> chance of pre ignition...
Precicely right. And points will be awarded to anyone who can prove
that the effective, not calculated, compression ratio of any of our
piston-ported UL two strokes exceed anything approaching
7:1...not exactly what one would call a high compression ratio.
Large cylinders are also a culprit of detonation because of the
larger radiational heat input to the incoming charge. The additional
heat makes the charge more susceptible to the detonation, which is
altogether different than pre- ignition caused by an undesired
ignition point source such as a bit of glowing carbon. The reason
for multiple spark sources in GA aircraft, and to some extent the UL
two-stroke, is the control of the flame front and its propagation
within the cylinder.
> the higher compression causes more heat in
> compression and the higher possibility of preignition...
> the higher
> octane provides the stability needed in the higher compression engines
> to prevent preignition - dettonation. i would think that another
> source of preignition would be carbon deposits that dont get a chance
> to cool andwork like a glow plug.
Which is the definition of pre-ignition. Octane is only there to control
detonation.
Gasoline (C8 H17) does have, by its nature in blending, different
molecular weights (mf) that also affect the heat of combustion (Qc).
Gasoline with an mf of 113 and specific gravity of .702 at 60F has a
Qc of 20,460 to 19,020 BTU/Lb mass, while a gasoline with mf of
126 and specific gravity of .739 at 60F has a Qc of 20,260 to 18,900
BTU/Lb mass. ( Taylor and Taylor, The Internal Combustion
Engine, Int Textbook Co. Scranton PA, ed 1949, rev 1960 ). Keep
in mind that this is pure gasoline without amendments like Iso-
octane, Normal Octane, Normal Heptane, etc. and all the other
compounds added to meet a manufacturer's specifications. The
stoichiometric fuel-air ratio between the two is also slightly less (
.0670 and .0668, respectively). The heat of combustion (Qv) is less
for gasolines with the higher specific gravity because of the rate of
enthalpy from liquid to gaseous state. This rate may be related to,
and affected by, brand specific blends and not just to the "gasoline"
itself.
Bottom line is that it's hard to tell what a fuel is going to do unless
there is some baseline with which to compare it and stringent
controls are observed to ensure apples-to-apples comparisons.
But then, what do I know about it......
J.Baker
Message 15
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| Subject: | Re: Dihedral/polyhedral |
--> Kolb-List message posted by: Jack & Louise Hart <jbhart@ldd.net>
Ed,
From Mr. Webster -
poly - many : several : much
hedral - having (such) a surface or (such or so many) surfaces
Jack B. Hart FF004
Jackson, MO
At 10:03 PM 9/24/03 -0400, you wrote:
>--> Kolb-List message posted by: "Edward Chmielewski" <edchmiel@mindspring.com>
>
>Mike/Kolbers,
>
> I think poly is 'many', and hedral is 'angle'. Who's got their Latin
dictionary?
>Topher? Got a minute?
>
>Ed in JXN
>MkII/503
>
>Do not archive
>
>
>----- Original Message -----
>From: "Mike Pierzina" <planecrazzzy@lycos.com>
>To: <kolb-list@matronics.com>
>
>
>> --> Kolb-List message posted by: "Mike Pierzina" <planecrazzzy@lycos.com>
>>
>> Hey Guys,
>> Since we're doing the A,B,C's of airplane building.
>> Do any of you know what "Polyhedral" is ?
>> Gotta Fly...
>> Mike in MN
>>
>> Do Not Archive
>
>
Jack & Louise Hart
jbhart@ldd.net
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