Today's Message Index:
----------------------
1. 03:34 AM - Re: Propeller Diameter (BICUM@aol.com)
2. 03:59 AM - Flight planning TNK fly-in (BICUM@aol.com)
3. 04:38 AM - Nother propeller ? (Kirk Smith)
4. 05:07 AM - Re: Flight planning TNK fly-in (John Hauck)
5. 05:09 AM - Re: Flight planning TNK fly-in (John Hauck)
6. 05:11 AM - Re: Nother propeller ? (John Hauck)
7. 05:27 AM - Re: Prospective Kolbra Owners (Larry Bourne)
8. 05:27 AM - Re: Kolbra (Larry Bourne)
9. 05:27 AM - Re: Kolbra (Larry Bourne)
10. 06:16 AM - Re: Landing Gear Camber ??? (Jack & Louise Hart)
11. 06:48 AM - Re: Engine Fairing???? (Richard & Martha Neilsen)
12. 06:54 AM - Re: Tail Weel Springs (Richard & Martha Neilsen)
13. 08:37 AM - Re: Engine Fairing???? (Gherkins Tim-rp3420)
14. 12:05 PM - Re: Trip (DAquaNut@aol.com)
15. 12:32 PM - Brakes, Wheels & axels (John Williamson)
16. 01:36 PM - Re: Trip (WillUribe@aol.com)
17. 03:01 PM - Re: Trip (Woody)
18. 03:36 PM - Re: Propeller Diameter (jerb)
19. 03:52 PM - WARNING ! 914 rotax !!! (BMWBikeCrz@aol.com)
20. 04:04 PM - Propeller Diameter GSC ??? (BMWBikeCrz@aol.com)
21. 05:08 PM - Welding (Lawrence M. Rice)
22. 05:29 PM - Re: Landing Gear Camber ??? (Eugene Zimmerman)
23. 05:33 PM - IVO Propellers Right & Left & Powerfin? (Jack & Louise Hart)
24. 05:41 PM - Belt sander specs. (Jim Clayton)
25. 07:11 PM - Re: Welding (Woody)
26. 07:12 PM - Wood props (Bob N.)
27. 08:09 PM - Re: Belt sander specs. (Timandjan@aol.com)
28. 09:15 PM - Re: Belt sander specs. (Don Gherardini)
29. 09:44 PM - Re: Trip ()
30. 10:09 PM - Re: IVO Propellers Right & Left & Powerfin? ()
Message 1
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| Subject: | Re: Propeller Diameter |
--> Kolb-List message posted by: BICUM@aol.com
I currently have an IVO. If I need to replace it soon, will strongly
consider the Warp for the reasons that John H. mentions.
1) Things do come off your airplane and go through the prop. At about 100
hours, a little bitty bolt vibrated off and went through the prop. Put a nice
nick in one blade of the IVO. Sent it back to IVO and they reworked it for a
very reasonable price. IVO has provided good service.
2) IVO's don't seem to like long flights, during the summer in the south.
Last summer made a long XC (~450 nm) during the first week of July. Started
loosing the SS tapes on the leading edges. One came off and damaged the fabric
on the top of a flap. Not a good thing on a long XC. That has been the only
time I had trouble with the tapes coming off. That is the hottest and longest
periods of time I pushed the plane.
If you are a short hopper, the IVO is smooth. I have been very happy with
it, except for that one long trip last summer. I still fly it with no problems,
I just carry extra SS tapes on long flights. If I have to replace it, I will
probably go with the warp.
Just my experience with an IVO.
John Bickham
St. Francisville, LA
N308JB
Mark III - 912
190 hrs.
Message 2
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| Subject: | Flight planning TNK fly-in |
--> Kolb-List message posted by: BICUM@aol.com
Starting to think about the TNK fly-in. I drove to the first one while I was
building. Work or terrorist have not allowed me to return since. I am
flying this time and developing two plans based on weather and looking for any
advice from those veteran XC'ers. The airports listed are where I plan to RON.
Looking for any suggestions.
Plan A - Weather is outstanding
Depart HZR (New Roads, LA) Monday,9/22 and pass by Kitty Hawk on the way to
TNK.
HZR -> 08A (Wetumpka, AL) -> CDN (Camden, SC) -> FFA -> RZZ (Roanoke Rapids,
NC) -> 3KY2
If weather is excellent, may get to TNK around Thursday. Would that be a
problem - getting there too early?
Plan on tent camping.
Plan B - Weather is marginal
HZR -> TNK and back .
This will probably be the only time I get this close to Kitty Hawk this year
during the Centennial. I sure would like to make that stop if the weather
cooperates.
Any suggestions or good stops along the way? John Williamson has been
planning the same thing for a while. Maybe he will see me as he passes me by in
his
Kolbra.
John Bickham
St. Francisville, LA
N308JB
Mark III - 912
190 hrs.
Message 3
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| Subject: | Nother propeller ? |
--> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com>
Ok Guys,
Why does my prop only allow my 447 to turn 6200 static rpm's but turn 6600 rpm's
wide open, straight and level? Thanks! Kirk
Do not archive
Message 4
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| Subject: | Re: Flight planning TNK fly-in |
--> Kolb-List message posted by: John Hauck <jhauck@elmore.rr.com>
> Depart HZR (New Roads, LA) Monday,9/22 and pass by Kitty Hawk on the way to
> TNK.
>
> HZR -> 08A (Wetumpka, AL) -> CDN (Camden, SC) -> FFA -> RZZ (Roanoke Rapids,
> NC) -> 3KY2
>
> If weather is excellent, may get to TNK around Thursday. Would that be a
> problem - getting there too early?
> John Bickham
Hi John B/All:
Good to hear from you. Been a while.
I found out last night John Williamson was flying
to London, KY, via Kitty Hawk. He is also
planning on stopping at Wetumpka, AL 08A. That
will ge great. I will pick you all up at
Wetumpka, or, if you want to, land on my 750 grass
strip. You can take a look at it when you get
here. I'll post the coordinates. First look is a
little intimidating, if one is accustomed to
flying in and out of 3,000 ft paved airports.
Either way will work for me. It is a couple miles
to Gantt International Airport and 25 miles to 08A.
I might just tag along with you all to Kitty Hawk
if you don't mind. Sounds like fun. Anybody else
going?
Take care,
john h
DO NOT ARCHIVE
Message 5
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| Subject: | Re: Flight planning TNK fly-in |
--> Kolb-List message posted by: John Hauck <jhauck@elmore.rr.com>
John B/All:
Forgot to add. Getting to Kolb Factory a couple
days early is no problem. They'll see that you
get chow and other requirements are met.
Tent camping is the way to go. Get to hang out
with the gang until you get sleepy, then crawl
into bed. Next morning you can wake up to the
sound of Kolbs in the air. :-)
john h
DO NOT ARCHIVE
Message 6
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| Subject: | Re: Nother propeller ? |
--> Kolb-List message posted by: John Hauck <jhauck@elmore.rr.com>
> Why does my prop only allow my 447 to turn 6200 static rpm's but turn 6600
rpm's wide open, straight and level? Thanks! Kirk
Snuffy/All:
Well...........that is because it is operating as
it should be. :-)
john h
DO NOT ARCHIVE
Message 7
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| Subject: | Re: Prospective Kolbra Owners |
--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
Question.............since I've also got the bigger brakes, wheels, tires
(8.00-6), bearings, axles, etc. - are those brakes dual caliper, or dual
piston ?? My new ones are single caliper (BIG caliper) but it seems to me
Matco told me they were dual piston.........??.........or is there another,
even heavier duty version ?? The new setup is rated for a 1300# airplane,
vs the 600# rating for the standard set-up. I do know for sure that all the
components are much larger and stronger than the standard ones.
Lar.
Larry Bourne
Palm Springs, CA
Kolb Mk III - Vamoose N78LB
www.gogittum.com
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Subject: Re: Kolb-List: Prospective Kolbra Owners
> --> Kolb-List message posted by: John Hauck <jhauck@elmore.rr.com>
>
>
> > - I am changing out the Tracey O'Brien brakes for Matco dual caliper
brakes.
> > - Changing wheels from 8:00-6 Azusa to Matco 8:00-6.
> > - Changing turff tires for McCreary Air Trac.
> > - Will build new ailerons and a set of flaps to replace the flaperons.
>
> > John Williamson
>
> John W/All:
>
> Which brake is the dual caliper and what is the
> axle and bearing size for the wheel?
>
> Looks like Miss P'fer is going to have some
> competition in the landing and stopping
> department, but I believe it was needed for
> certain Yooper airfields.
>
> Take care,
>
> john h
>
>
Message 8
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--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
Yah, I arrived in Miss'ssippi this afternoon, after 2 great days with Poppa
John, and the neighbors dog "Lex". As John said, the weather was no good
for flying, so he took me sight-seeing up to his motorcycle off-road area,
and it was great. Nice scenery in those Alabama hills, after a 1,000 miles
of flatlands. Scenic flatlands, of course, but still flat - except for Mike
and Dixie Shackleford's rugged West Virginia. Also took me to one of the
best Chinese restaurants I've ever seen, and last night (Tuesday) to a great
BBQ joint. Great Stuff ! ! ! (Urp) Thanks, John. This
evening, Paul Petty and his father-in-law Charlie fired up the Sky-Hawg,
"Screaming Eagle" for me. What a gas ! ! ! Paul, you gotta do it. This is
the greatest sounding airplane engine I've ever heard.............most
definitely a Harley..............and I promise to be there when you and
Charlie take it to Sturgis. Highly Impressed Lar.
Do not Archive.
Larry Bourne
Palm Springs, CA
Kolb Mk III - Vamoose N78LB
www.gogittum.com
----- Original Message -----
From: "Paul Petty" <ppetty@c-gate.net>
Subject: Kolb-List: Kolbra
> --> Kolb-List message posted by: "Paul Petty" <ppetty@c-gate.net>
>
> Thanks John,
> I will ask about the flaps and ailerons tomorrow when I order kit 1. Was
allready planning on Matco Brakes. Big Lar has arrived and we are going to
rev up the beast this evening!
>
> pp
>
> do not archive
>
>
Message 9
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--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
Hey..................I resemble that remark ! ! ! I made it all the way
around the continent in one piece didn't I ?? - barely - but on the
ground...............we'll hafta see about the air next year.
Lar. Do not Archive.
Larry Bourne
Palm Springs, CA
Kolb Mk III - Vamoose N78LB
www.gogittum.com
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Subject: Re: Kolb-List: Kolbra
> --> Kolb-List message posted by: John Hauck <jhauck@elmore.rr.com>
>
>
> > Was allready planning on Matco Brakes. Big Lar has arrived and we are
going to rev up the beast this evening!
> >
> > pp
>
> pp/All:
>
> I don't have time to give you the model number of
> the MATCO's, but mine have 3/4" axles and 3/4"
> tapered roller bearings. Brakes are a tremendous
> increase over the old MATCO gold wheels w/5.8"
> bearings and UL brakes. I am happy with mine.
>
> Take care,
>
> john h
>
> PS: Miracles will never cease to happen. Big Lar
> made it to Mississippi in one piece. :-)
>
>
Message 10
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| Subject: | Re: Landing Gear Camber ??? |
--> Kolb-List message posted by: Jack & Louise Hart <jbhart@ldd.net>
At 10:45 PM 8/19/03 EDT, you wrote:
>--> Kolb-List message posted by: BMWBikeCrz@aol.com
>
>OK I need to know ... My firestar has a LOT of positive camber ...is this
>good or bad ... Thanks !!! ...Dave
>
>
Dave,
Excessive camber creates excessive bearing and wheel side loads, tire wear, and
increases rolling resistance. In turn, this increases the chances of bearing
failure and cracking of a wheel, and increases takeoff distance.
Jack B. Hart FF004
Jackson, MO
Jack & Louise Hart
jbhart@ldd.net
Message 11
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| Subject: | Re: Engine Fairing???? |
--> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM@comcast.net>
Craig Nelson (are you out there?)
Would you please share photos of your engine fairing and how you built it
with the group? I have considered trying something on that big VW on my
plane and would appreciate any ideas/suggestions/advice you can give.
Thanks
Rick Neilsen
Redrive VW powered MKIII
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Subject: Re: Kolb-List: 2 sixties or one 72
> --> Kolb-List message posted by: John Hauck <jhauck@elmore.rr.com>
>
>
> > I vote for the single 80 hp/ 72"prop. :<)
>
> > Steven Green
>
> Steven/All:
>
> Me too.
>
> Craig Nelson has a beautiful, in pics that I have
> he showed me, engine fairing for his Extra.
> Anxious to see if this will clean up the Kolb and
> maybe get a few extra miles per hour out of it.
>
> Take care,
>
> john h
>
> DO NOT ARCHIVE
Message 12
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| Subject: | Re: Tail Weel Springs |
--> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM@comcast.net>
Thanks for everyone's input I will be changing my tail wheel springs to the
compression type shortly.
Rick Neilsen
Redrive VW powered MKIIIc
> >--> Kolb-List message posted by: "Richard & Martha Neilsen"
> ><NeilsenRM@comcast.net>
> >
> >I have the optional full swivel tail wheel with the supplied tail wheel
> >springs. On my flight to Oshkosh I landed one time where the winds were
> >blowing 15-20mph on a black top runway. When I tried to turn cross wind
the
> >tail wheel wouldn't turn. I had to stand on a wheel brake fairly hard. I
> >then had to taxi cross wind for almost a mile strait and I had to fully
> >deflect the rudder AND drag a wheel brake to taxi strait. I made a mental
> >note that when I got back I would order heaver compression springs for
the
> >tail wheel.
> >
> >When I was a Oshkosh I attended a forum where the speaker was saying that
> >their tail wheels are direct connected for better control. He said that
tail
> >wheels controlled by springs are always lagging behind user input.
> >
> >My question is should I just direct connect the tail wheel to the rudder
or
> >use heaver springs?
> >
> >Rick Neilsen
> >Redrive VW powered MKIIIc
> >
> >
Do not archive
Message 13
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| Subject: | Engine Fairing???? |
--> Kolb-List message posted by: Gherkins Tim-rp3420 <rp3420@motorola.com>
Rick,
Uncle Craig is not on the list currently, but I see him on a daily basis. We have
plenty of pictures of the engine cowl, and I will try to post them ASAP for
all to look at. You can reach Craig Nelson at his place of business for any
questions, he loves to talk about the cowl that he spent hundreds of hours developing.
Craig Nelson at Vital FX dental lab- 480-632-9300. Mesa, AZ.
Feel free to ask me any questions if need be,
Tim Gherkins
Firestar II covering complete, waiting for cooler temps to paint. The MarkIII
Xtra is about a month away from flying.
-----Original Message-----
From: Richard & Martha Neilsen [mailto:NeilsenRM@comcast.net]
Subject: Re: Kolb-List: Engine Fairing????
--> Kolb-List message posted by: "Richard & Martha Neilsen" <NeilsenRM@comcast.net>
Craig Nelson (are you out there?)
Would you please share photos of your engine fairing and how you built it
with the group? I have considered trying something on that big VW on my
plane and would appreciate any ideas/suggestions/advice you can give.
Thanks
Rick Neilsen
Redrive VW powered MKIII
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Subject: Re: Kolb-List: 2 sixties or one 72
> --> Kolb-List message posted by: John Hauck <jhauck@elmore.rr.com>
>
>
> > I vote for the single 80 hp/ 72"prop. :<)
>
> > Steven Green
>
> Steven/All:
>
> Me too.
>
> Craig Nelson has a beautiful, in pics that I have
> he showed me, engine fairing for his Extra.
> Anxious to see if this will clean up the Kolb and
> maybe get a few extra miles per hour out of it.
>
> Take care,
>
> john h
>
> DO NOT ARCHIVE
Message 14
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--> Kolb-List message posted by: DAquaNut@aol.com
In a message dated 8/17/03 7:25:40 AM Central Standard Time,
biglar@gogittum.com writes:
<< Anybody on that line of flight ?? I REALLY want to catch an Alligator
Gar, and an Alligator Snapping Turtle...........any help for me ?? Answer fast,
cause I cover a lot of ground awful fast. Looks like I'm back on my
time-line, finally. Wanderin' Lar...............hypnotized by the
Okefenokee today - sure hated to leave. Do not Archive.
Larry Bourne >>
Larry,
Gar & Snapping turtles are not on the list of sought after spieces
inTexas. They are available, but not desireable. I dont know where you are at
this time , but if you are near Houston around the 21 or 22 or24 or 25 Look me
up. If you will settle for some night fishing for speckled trout and red
fishing in Trinity Bay or a little off shore trip for King fish ,Dorado or
Tripple Tail.
Ed (in Houston)
Message 15
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| Subject: | Brakes, Wheels & axels |
--> Kolb-List message posted by: "John Williamson" <KolbraPilot@comcast.net>
Everything you always wanted to know about wheels and brakes before you buy them
is available on the matcomfg.com website. I wish I knew this before I bought
the o'Brian brakes.
MATCO mfg produces a six inch wheel and brake assembly for use with ultralight
aircraft less than 1300 pounds--the MH6B. This six inch wheel is available with
.625 bearings or .75 bearings (the MH6B.75) and three caliper configurations
MATERIAL
WHEEL ASSEMBLY
CALIPER SPACING (DIM B)
BEARING AXLE DIAMETER (DIM C)
AXLE SPACING (DIM D)
BEARING SPACING (DIM E)
BEARING TYPE SEALED
WHEEL/BRAKE ASSEMBLY WIDTH (DIM F)
STATIC CAPACITY (LBS)
LOAD LIMIT
KINETIC CAPACITY (FT LBS)
TORQUE RATING (IN-LB@450 PSI)
WEIGHT (LBS)
SPUN AL
MH6B /6"
1.24
0.625
2.00
2.000
BALL
5.3750
660
2000
93,441
1070
4.4
SPUN AL
MH6B.62D /6"
1.24
0.625
2.00
2.000
BALL
5.3750
660
2000
93,441
1440
4.65
SPUN AL
MH6B D.62/6"
1.24
0.625
2.00
2.000
BALL
5.3750
660
2000
93,441
2140
5.18
SPUN AL
MH6B.75 /6"
1.24
0.750
2.00
2.000
BALL
5.3750
660
2000
93,441
1070
4.4
SPUN AL
MH6B.75D /6"
1.24
0.750
2.00
2.000
BALL
5.3750
660
2000
93,441
1440
4.65
SPUN AL
MH6B D.75/6"
1.24
0.750
2.00
2.000
BALL
5.3750
660
2000
93,441
2140
5.18
MH WHEELS
AVAILABLE IN
GOLD OR
SILVER
The third type caliper is the DXT but not listed in the table above:
Torque Rating (@450 PSI) MH6BDXT.62 & MH6BDXT.75 3082 in-lbs torque.
I will use Matco MH6BD.62/6" Dual Caliper brakes with 2140 inch pounds of torque. http://www.matcomfg.com/specs/mh6b_d.htm
John Williamson
Arlington, TX
Kolb Kolbra, Verner 133M, 68", 3 Blade Warp Drive (ZERO hours)
http://home.comcast.net/~kolbrapilot/
Message 16
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--> Kolb-List message posted by: WillUribe@aol.com
Greetings,
I'm getting bored of Indianapolis, I have 4 more weeks left here.
This weekend I'm driving to Dayton, Ohio and visit the Wright brothers
bicycle shop.
Any Kolb flyer out that way?
Regards,
Will Uribe
El Paso, TX
FireStar II N4GU
C-172 N2506U
http://home.elp.rr.com/airplane/
do not archive
Message 17
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--> Kolb-List message posted by: "Woody" <duesouth@govital.net>
I think you will find the wright brothers shop was moved by Henty Ford to
the detroit area. He even moved the dirt it was sitting on. If you are up
this way drop in and say hey.
----- Original Message -----
From: <WillUribe@aol.com>
Subject: Re: Kolb-List: Trip
> --> Kolb-List message posted by: WillUribe@aol.com
>
> Greetings,
> I'm getting bored of Indianapolis, I have 4 more weeks left here.
> This weekend I'm driving to Dayton, Ohio and visit the Wright brothers
> bicycle shop.
>
> Any Kolb flyer out that way?
>
> Regards,
> Will Uribe
> El Paso, TX
> FireStar II N4GU
> C-172 N2506U
> http://home.elp.rr.com/airplane/
> do not archive
>
>
Message 18
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| Subject: | Re: Propeller Diameter |
--> Kolb-List message posted by: jerb <ulflyer@verizon.net>
I understand that the source of the stainless steel tape IVO used on the
prop leading edge no longer produces the product and alternative sources
have not held up (adhering) nearly as well. Your prop may be one that has
the alternative source edge tapes. Over all I am happy with my IVO.
I read claims that the Warp is supposed to be better but have never seen
any back to back performance test on similar blade number props. Would
nice to see back to back flight test of both props performed with on the
same plane say on a very early morning flight test. At the end of each
test flight, fuel would need to be topped to maintain the same test
weight. Each prop of same number of blades could be tested before hand to
arrive at the pitch to produce the best performance. Then at the time of
the test each prop could be switched and the pitch quickly restored with
minimum time between flights.
jerb
At 06:33 AM 8/21/03 -0400, you wrote:
>--> Kolb-List message posted by: BICUM@aol.com
>
>I currently have an IVO. If I need to replace it soon, will strongly
>consider the Warp for the reasons that John H. mentions.
>
>1) Things do come off your airplane and go through the prop. At about 100
>hours, a little bitty bolt vibrated off and went through the prop. Put a
>nice
>nick in one blade of the IVO. Sent it back to IVO and they reworked it for a
>very reasonable price. IVO has provided good service.
>
>2) IVO's don't seem to like long flights, during the summer in the south.
>Last summer made a long XC (~450 nm) during the first week of July. Started
>loosing the SS tapes on the leading edges. One came off and damaged the
>fabric
>on the top of a flap. Not a good thing on a long XC. That has been the only
>time I had trouble with the tapes coming off. That is the hottest and
>longest
>periods of time I pushed the plane.
>
>If you are a short hopper, the IVO is smooth. I have been very happy with
>it, except for that one long trip last summer. I still fly it with no
>problems,
>I just carry extra SS tapes on long flights. If I have to replace it, I will
>probably go with the warp.
>
>Just my experience with an IVO.
>
>
>John Bickham
>St. Francisville, LA
>N308JB
>Mark III - 912
>190 hrs.
>
>
Message 19
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| Subject: | WARNING ! 914 rotax !!! |
--> Kolb-List message posted by: BMWBikeCrz@aol.com
This is from "ROTAX"
Subj: ATTENTION! - RELEASE OF MANDATORY ALERT SERVICE BULLETIN FOR
SPECIFIC ROTAX 914 F & 914 UL ENGINES.
From: updates@rotax-owner.com (updates@rotax-owner.com)
Dear Registered User;
The following MANDATORY ALERT SERVICE BULLETIN has been released by Rotax.
ASB-914-028 -- INSPECTION OF THE EXHAUST MUFFLER PART NO. 979402 FOR ROTAX
ENGINE TYPE 914 SERIES
SUMMARY OF SERVICE BULLETIN:
THIS SUMMARY IS GENERAL IN NATURE AND IS NOT INTENDED TO REPLACE THE
INFORMATION PROVIDED IN THE SERVICE BULLETIN.
ALL OWNERS, OPERATORS AND MAINTENANCE PERSONNEL SHOULD OBTAIN AND CAREFULLY
REVIEW THE FULL TEXT OF THE SERVICE BULLETIN.
Cracks have been detected on some genuine ROTAX exhaust mufflers part no.
979402. Mufflers within the serial numbers ranges specified in the ASB must be
inspected before next flight and daily there after until further notice.
If cracks are detected, the aircraft must not be operated until the exhaust
muffler is replaced.
This new Alert Service Bulletin may be downloaded from www.rotax-owner.com
ASB-914-028 -
http://www.rotax-owner.com/si_tb_info/getdoc.asp?USERID=BMWBikeCrz&DOCID=ASB-914-028&S_TYPE=NW
This e-mail update is provided as a free service to registered users.
Register with Rotax Owners Association News today!
Message 20
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| Subject: | Propeller Diameter GSC ??? |
--> Kolb-List message posted by: BMWBikeCrz@aol.com
anyone using a GSC ? pros / cons
Message 21
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--> Kolb-List message posted by: "Lawrence M. Rice" <tailwind5@juno.com>
If you do it with gas, use RG45 or a similar mild steel rod. Do not use
high alloy rod like 4130 or your weld will turn out brittle, as it picks
up carbon from the acetylene (run the flame VERY slightly reducing to
avoid too much oxygen). You'll need a small tip. And, if you do it with
gas you'll need a bunch of practice welding thin wall tubing (maybe 5 -10
evenings of messing around).
Larry the MicroMong guy
Message 22
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| Subject: | Re: Landing Gear Camber ??? |
--> Kolb-List message posted by: Eugene Zimmerman <eugenezimmerman@dejazzd.com>
Jack & Louise Hart wrote:
>
> Excessive camber creates excessive bearing and wheel side loads, tire wear, and
increases rolling resistance. In turn, this increases the chances of bearing
failure and cracking of a wheel, and increases takeoff distance.
>
> Jack B. Hart FF004
Jackson, MO
You are correct but for best results zero camber and toe in should be
when the maximum load is upon the wheels. This would be on a hard bounce
landing with the landing substantially sprung. If the alignment is on
zero with one G load it will be seriously out of alignment when the
wheel load is at max. resulting in even more stress on all the
individual parts at their most vulnerable moment. Hence the bent Kolb
landing gear.
EZ
Message 23
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| Subject: | IVO Propellers Right & Left & Powerfin? |
--> Kolb-List message posted by: Jack & Louise Hart <jbhart@ldd.net>
When I replaced the Rotax 447 with the Simonini Victor 1+, I could use the original
spacer and IVO hub, but I had to purchase left hand blades. When I got the
new blades, I noticed that they were not as broad chord wise as were the old
right hand blades. I did not think much about it because the original blades
were so old that they had the aluminum inserts around the blade mounting holes.
I just thought IVO had up graded the design.
I ran the new 68 inch high pitch IVO and then cut it to 62 inches to more closely
approximate the Simonini test propeller. Currently the FireFly will fly 55
mph at 5,200 rpm. This is the point that Simonini claims the Victor 1+ is putting
out 38 hp. But when the 447 was installed and it was cranked up, the FireFly
would fly about 70 mph at 38 hp. The Victor 1+ is still breaking in, because
on hour flights engine rpm will slowly drift up ward with no change in throttle
setting. Climb out after takeoff with the Victor 1+ is about half of
what I experienced with the 447. But part of this is due to very warm weather,
and I cannot run the Victor 1+ much over 5,400 rpm with out over running the
radiator capacity. Once one gets to altitude and in level flight cooling improves
and one can run the engine harder.
With my head sticking out I am happy with the 55 mph at 5,200 rpm and 2 gph, but
I would like to get a little better climb. I got to thinking about the old/new
blade chord difference. It seemed that a longer chord blade would give better
climb. I called IVO and asked why they had changed the design of the blade.
I was told that original blade design had not changed. Evidently the right
hand blade was designed first followed by the left hand blade. And the left
hand blade was designed with a shorter chord. It is not possible to get a left
hand blade with the same chord as the right.
I have been looking for another propeller with a broad blade. I came across Powerfin.
They make claims of lower inertia than, 1/3 the flexure of, and better
performance than the IVO. Does anyone have any experience with Powerfin on
a Kolb product? If so, how has it performed?
Jack B. Hart FF004
Jackson, MO
Jack & Louise Hart
jbhart@ldd.net
Message 24
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| Subject: | Belt sander specs. |
--> Kolb-List message posted by: Jim Clayton <jspc78@yahoo.com>
Hello all,
I am looking at small, bench mounted belt sanders for
smoothing aluminum after cutting. Any advice on the
grade of sandpaper to use? Been looking at some
Harbor Freight models priced around $80; any thoughts
on whether it will last longer than a week ;-), or
other suggested sanders?
Thanks, Jim
Jim Clayton
California
Mark-3X, waiting for Kit#1
Message 25
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--> Kolb-List message posted by: "Woody" <duesouth@govital.net>
I just bought a Henrob torch at Osh. Great little toy. Welds a lot easier
than the old large torches. They even taught me top weld aluminum with it
before I bought it. That is what really sold me.
----- Original Message -----
From: "Lawrence M. Rice" <tailwind5@juno.com>
Subject: Kolb-List: Welding
> --> Kolb-List message posted by: "Lawrence M. Rice" <tailwind5@juno.com>
>
> If you do it with gas, use RG45 or a similar mild steel rod. Do not use
> high alloy rod like 4130 or your weld will turn out brittle, as it picks
> up carbon from the acetylene (run the flame VERY slightly reducing to
> avoid too much oxygen). You'll need a small tip. And, if you do it with
> gas you'll need a bunch of practice welding thin wall tubing (maybe 5 -10
> evenings of messing around).
>
> Larry the MicroMong guy
>
>
Message 26
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--> Kolb-List message posted by: "Bob N." <ronoy@shentel.net>
There's a good article on wood props in June/July Air&Space magazine.
Bob N.
Message 27
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| Subject: | Re: Belt sander specs. |
--> Kolb-List message posted by: Timandjan@aol.com
In a message dated 8/21/03 8:42:34 PM, jspc78@yahoo.com writes:
> --> Kolb-List message posted by: Jim Clayton <jspc78@yahoo.com>
>
> Hello all,
>
> I am looking at small, bench mounted belt sanders for
> smoothing aluminum after cutting.=A0 Any advice on the
> grade of sandpaper to use?=A0 Been looking at some
> Harbor Freight models priced around $80; any thoughts
> on whether it will last longer than a week ;-), or
> other suggested sanders?
>
> Thanks, Jim
>
>
I built my whole plane on a harbor freight one, worked fine, but now that I
am building another I wish I had bought a better one. You know the saying about
buying cheap tools, always wish for a better one later.
DO NOT ARCHIVE
Message 28
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| Subject: | Re: Belt sander specs. |
--> Kolb-List message posted by: "Don Gherardini" <donghe@one-eleven.net>
I dunno what to say Jim, I had a orientl one fer a while....but they dont
have bearings in them...so it started squeaking so bad I couldnt hardly
stand to use it....but, it did still work...I got a luck buyb at a auction
and got the large one you see in my pics for a 100 bucks...and gave the
oriental to my brother.
Now that i have this nice one and know how good they are..i believe i would
try an buy one like it...one thing about good tools...they will always sell
in the newspaper for decent money used when your done with it...course,as
you can see from my shop pics...I have NEVER sold a tool....arghhh..would
sell a wife 1st!
Don
For god sakes do not archive
Message 29
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--> Kolb-List message posted by: <rowedl@highstream.net>
Will,
If you have time, try to get out to Dayton New Lebanon airport on the West
side of town. There is a lot of ULs there and a couple friendly Firestar
drivers.(I can't recall their names right now) It also is the home airport
of Richard Jennings, the organizer of the Dayton to Kitty Hawk flight and a
really nice fellow.
Denny Rowe
do not archive
----- Original Message -----
From: <WillUribe@aol.com>
Subject: Re: Kolb-List: Trip
> --> Kolb-List message posted by: WillUribe@aol.com
>
> Greetings,
> I'm getting bored of Indianapolis, I have 4 more weeks left here.
> This weekend I'm driving to Dayton, Ohio and visit the Wright brothers
> bicycle shop.
>
> Any Kolb flyer out that way?
>
> Regards,
> Will Uribe
> El Paso, TX
> FireStar II N4GU
> C-172 N2506U
> http://home.elp.rr.com/airplane/
> do not archive
>
>
Message 30
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| Subject: | Re: IVO Propellers Right & Left & Powerfin? |
--> Kolb-List message posted by: <rowedl@highstream.net>
----- Original Message -----
: Jack Hart wrote:
I have been looking for another propeller with a broad blade. I came across
Powerfin. They make claims of lower inertia than, 1/3 the flexure of, and
better performance than the IVO. Does anyone have any experience with
Powerfin on a Kolb product? If so, how has it performed?
Jack,
I am currently using a Powerfin F model three blade 68" diameter on my 690L
powered Mk-3. I purchased this propeller from Slingshot owner Luray Weactor
of Lancaster PA who also flies a 690L on his Slingshot.
Luray put 50 hrs on the prop prior to selling it to me and was very happy
with it, he only sold it so he could install an inflight adjustable prop to
fully take advantage of the 690Ls wide torque range.
I have since put 11.2 hrs on it and it still looks like new. The pitch
adjust system while not as easy as an IVO quick adjust, is very slick and
the quality of the prop is first rate. Powerfins claims of low inertia are
true and it is a very smooth running prop.
It is much more rigid than IVO blades, I figure it is between Warp and IVO
in stiffness and definitly lighter than either.
I am sure it is a lot tougher than an IVO, but not as tough as a Warp.
I am very happy with the overall performance I am seeing and thus far would
have to rate the Powerfin a very good prop.
Again, my prop only has 61.2 total hours on it so my opinion is worth what
you paid for it.
Denny Rowe, N616DR, Leechburg,PA
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