Today's Message Index:
----------------------
1. 12:27 AM - MKIII motor mount FS (Giovanni Day)
2. 03:49 AM - Re: Bing 54 carb problem (Jim Ballenger)
3. 07:56 AM - Re: Firestar II Landing gear leg socket broke (bryan green)
4. 10:04 AM - Breaking Tire Bead Loose From Small Plastic Wheel Rims (Jack & Louise Hart)
5. 10:44 AM - Re: Firestar II Landing gear leg socket broke (HShack@aol.com)
6. 11:27 AM - Re: Kolb-List Digest: 10 Msgs - 06/05/04 (Danny Bradshaw)
7. 12:08 PM - [ Mike Pierzina ] : New Email List Photo Share Available! (Email List Photo Shares)
8. 12:40 PM - Re: [ Mike Pierzina ] : New Email List Photo Share Available! (Larry Bourne)
9. 03:28 PM - Re: Hello? Is this thing on...? (John Hauck)
10. 04:51 PM - Mk 3/912, Weight and Balance By Suspension (H MITCHELL)
11. 06:07 PM - Re: Mk 3/912, Weight and Balance By Suspension (John Hauck)
12. 06:14 PM - Re: tach and radio (Johann)
13. 08:25 PM - Re: Mk 3/912, Weight and Balance By Suspension (Bob Bean)
14. 08:35 PM - Re: Mk 3/912, Weight and Balance By Suspension (Edward Chmielewski)
15. 09:47 PM - Re: Mk 3/912, Weight and Balance By Suspension (Giovanni Day)
Message 1
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| Subject: | MKIII motor mount FS |
--> Kolb-List message posted by: "Giovanni Day" <gde01@bellsouth.net>
I have a MKIII motor mount FS. It has the elevated post to allow for a
72" prop. I also still have the 582 Carb, exhaust and side mount, rads.
The GB and oil tank are sold. Thanks all.
Giovanni Day
MKIII making the 912 transition.
Do Not Archive
Message 2
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| Subject: | Re: Bing 54 carb problem |
--> Kolb-List message posted by: "Jim Ballenger" <ulpilot@cavtel.net>
Pat
Three things come to mind. 1. Which notch do you have the jet needle in?
This helps on the" throttle back" high temps . 2. Prop pitch is very
important. It controls the load on the engine which in turn affects the
temps. 3. At what rpm are you trying to idle at? I adjust mine around
2500rpm on the ground.
Jim Ballenger
Flying a FS KXP 447
Building a MK III X
Virginia Beach, VA
DO NOT ARCHIVE
----- Original Message -----
From: "Pat Lavigne" <pjl53@hotmail.com>
Subject: Kolb-List: Bing 54 carb problem
> --> Kolb-List message posted by: "Pat Lavigne" <pjl53@hotmail.com>
>
> I have a Bing-54 carb on my 447 Rotax Firestar.
> Ever since I bought the plane I've had high EGT problems. Leveling off
> after take off the EGT"S would climb to 1200+ Looking in the CPS bible I
> changed the needle jet from a 2.70 to a 2.72 .
>
> The EGT's droped to permissible levels (1050-1160), but when I throttle
> back on landing they climb to the moon.
>
> Also when I land and give it throttle to turn around, nothing happens
eg.
> it remains at idle, or quits.
>
> Any suggestions ?
> Pat FS driver in Rochester, N.Y.
>
> http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/
>
>
Message 3
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| Subject: | Re: Firestar II Landing gear leg socket broke |
--> Kolb-List message posted by: "bryan green" <lgreen1@sc.rr.com>
Sorry to hear about your bird Shack, I am going to try and drive down for
Trenton fly-in. I'm still working on my plane. I cut 4130 tube for new legs
and sent it to Braddock (Atlanta ) the first of march. Called them Fri. and
they had lost my order and check, but found my legs and promised to have
them ready by Tues. I will let you know how they turn out. In all fairness
to Braddock I think they just had some employee problems at that plant. The
guy I talked to Fri. was very helpful.
DO NOT ARCHIVE
Bryan Green Elgin SC
Firestar I 19LBG 377 BRS
----- Original Message -----
From: <HShack@aol.com>
Subject: Re: Kolb-List: Firestar II Landing gear leg socket broke
> --> Kolb-List message posted by: HShack@aol.com
>
> As it is, tomorrow I will start to remove everything from the cage &
> determine a course of action. A friend at the airfield has offered to
rebuild the
> cage & will probably go that route. I'm thinking I will go with heavier
wall
> gear leg sockets, or maybe double wall. I will make longer gear legs so
they
> will go all the way into the socket; not halfway,like the originals. This
will
> give me a chance to re-wire all the electronics & pretty everything up.
> Replace the wing rib. Re-cover. New paint job. Take pictures, make a
builder's
> log; now I'm a 51 percenter................
>
> Or, I could buy a new cage....
>
> Howard Shackleford
> FS II
> SC
>
>
Message 4
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| Subject: | Breaking Tire Bead Loose From Small Plastic Wheel Rims |
--> Kolb-List message posted by: Jack & Louise Hart <jbhart@ldd.net>
FireFlyers and Kolbers,
Flat tires on the FireFly have been a source of frustration. But if one is
going to live within the AC 103-7 limits, it is something one has to put up
with. I believe this is my third flat tire, and I tried something
different. Its a fixture that made getting tire off the wheel very easy.
Since I will have more flat tires, this fixture is going to be one of my
favorite hangar tool possessions.
Fixture cost is minimal in time and money, and the pucker factor is greatly
reduced. It can be seen at:
http://www.thirdshift.com/jack/firefly/firefly107.html
Back in the air soon.
Jack B. Hart FF004
Jackson, MO
Jack & Louise Hart
jbhart@ldd.net
Message 5
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| Subject: | Re: Firestar II Landing gear leg socket broke |
--> Kolb-List message posted by: HShack@aol.com
In a message dated 6/6/2004 10:57:09 AM Eastern Standard Time,
lgreen1@sc.rr.com writes:
I am going to try and drive down for
Trenton fly-in. I'm still working on my plane.
We hope you can make it.
Shack
Message 6
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| Subject: | Re: Kolb-List Digest: 10 Msgs - 06/05/04 |
--> Kolb-List message posted by: Danny Bradshaw <piperj5@shtc.net>
At 3500 or below,
> > the first mag would still drop 1000rpm, the second mag 150rpm. At
> > 4000rpm, both mags dropped 150rpm.
> >
> > I am running a Grand Rapids EIS into a Kuntzelman Hotbox to the
> > engine.
-----------
> I spoke with chip at sportpilotpitstop.com and he told me that the
> gray rev counter wire is a weakness in the Rotax engine for reading
> rpm's. Typically, once this problem starts to occur it continues to
> give erratic or zero reading to the EIS. To correct this problem put
> the rev counter wire from the EIS to the yellow or yellow/black wire
> from the lighting circuit and disconect the gray wire. Grand Rapids
> Technolgy tech agrees with Chips assessment.
>
> Jeff
>
> ********
> Bob N.
>
Hey Thanks Bob !
I am having the same problem, Thought it
might
be a loose connection.
Danny Bradshaw
McBee, South Carolina
Firestar 503 EIS & Hot Box
220 hrs.
>
>
> ________________________________ Message 3
_____________________________________
>
>
> Time: 04:22:27 PM PST US
> From: "Pat Lavigne" <pjl53@hotmail.com>
> Subject: Kolb-List: Bing 54 carb problem
>
> --> Kolb-List message posted by: "Pat Lavigne" <pjl53@hotmail.com>
>
> I have a Bing-54 carb on my 447 Rotax Firestar.
> Ever since I bought the plane I've had high EGT problems. Leveling off
> after take off the EGT"S would climb to 1200+ Looking in the CPS bible I
> changed the needle jet from a 2.70 to a 2.72 .
>
> The EGT's droped to permissible levels (1050-1160), but when I throttle
> back on landing they climb to the moon.
>
> Also when I land and give it throttle to turn around, nothing happens
eg.
> it remains at idle, or quits.
>
> Any suggestions ?
> Pat FS driver in Rochester, N.Y.
>
> http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/
>
>
> ________________________________ Message 4
_____________________________________
>
>
> Time: 04:36:32 PM PST US
> From: "CRAIG M NELSON" <vitalfx0@msn.com>
> Subject: Kolb-List: John- I need some info
>
> --> Kolb-List message posted by: "CRAIG M NELSON" <vitalfx0@msn.com>
>
> Hi John,
>
> What was the name of that fella that you got your warp drive from? I
misplaced
> the info for my spinner and need a contact number, email or website.
>
> Sure fun to see MisP flyin around MV.
>
> Take care,
> Uncle Craig
>
>
> ________________________________ Message 5
_____________________________________
>
>
> Time: 06:38:23 PM PST US
> From: Terry <tkrolfe@usadatanet.net>
> Subject: Kolb-List: N.E. Fly-in
>
> --> Kolb-List message posted by: Terry <tkrolfe@usadatanet.net>
>
> Talked to Homer today and he said they are still OK with a group of
> Kolbers dropping in on the Saturday before Fathers Day. In fact he said
> that he and Clara are a bit excited about it! They are planning on
> having some hamburgers, hot dogs and drinks. I told him that was not
> needed, but he insisted that they wanted to do it. He asked how many
> would be coming and I told him I was not sure at this point, could be
> anywhere from 15 to 25 depending. He said that would be great! I told
> him I would get back to him about a number as we got closer to that day.
>
> We set up Saturday as the day so that we could have a backup day on
> Sunday. His only concern is that there is a church off of his western
> end of the grass air strip and would want us to avoid flying over it on
> Sunday morning. I told him that should not be a problem and that I would
> pass it on to the group and I hope everyone respects that. Hopefully the
> weather on Saturday will be good and we wont have to worry about the
> church.
>
> As I posted earlier, I will be leaving either from my own airstrip on
> Saturday or from Smoketown if a group wants to get together there to make
> the flight to Homer's. I told him we wouldn't arrive before 8:30 - 9:00
> am. That means leaving about 7:45/8:00 am for us slowpoke 447's. Let me
> know if you want to meet me at Smoketown Airport east of Lancaster that
> morning.
>
> The coordinates for Homer's farm and airstrip are:
>
> N 40deg 09.582
> W 075deg 32.499
>
> He is just Southeast of the town of Spring City along the Schullkill
> River Northwest of Phoenixville. You know your close when you get near
> the towers to the Limerick Nuclear plant. He is Southeast of those.
>
> Hope allot of you are planning to join us! I think it will be a super
> time for both us and Homer and his wife.
>
> The fly-in at Shreveport North at Wellsville starts on Friday the 18th.
> and will be a good staging point for the flight to Homer's on Saturday.
> Their also looking forward to a good group of us coming to their fly-in.
> Remember to call ahead if you need lodging there, he has very limited
> space. Your welcome to tent if you want to. Check his web page for
> details and pattern protocol. "Footlightranch.com", click on the
> Mason-Dixon Ultralight Fly-in.
>
> If you haven't yet let me know if your going to Homer's. Hope this
> helps,
>
> Terry - FireFly #95
>
>
> ________________________________ Message 6
_____________________________________
>
>
> Time: 06:53:05 PM PST US
> From: Richard Pike <richard@bcchapel.org>
> Subject: Re: Kolb-List: Bing 54 carb problem
>
> --> Kolb-List message posted by: Richard Pike <richard@bcchapel.org>
>
> If it is a points engine, check the timing.
> Assume your compression is good?
> Look for an air leak somewhere, either in the intake system, or around a
> seal, or in the case matings.
> Check the float levels.
> Verify that the jet needle and main jet are the right sizes.
> Make sure that the idle jet is not blocked.
> Is your pulse line loose at all? Sucking air and not pulsing the pump
right?
>
> If none of that helps, use the "weedeater tune" method. Try and figure out
> how to set the carb just like you would adjust a weedeater engine.
> At RPM's below 3500, when you ease the throttle in and out a bit, is it
> sort of breaking back and forth between a 2 & 4 cycle, like a weedeater?
If
> it is, then you are at least somewhere close. Probably a bit too rich, but
> at least you know where you are. If it never four strokes, pull the
> enrichment circuit on, and it ought to four stroke a bunch, maybe even
load
> up and die. If it doesn't at least four stroke heavily, then it is too
> lean, or the idle jet circuit is plugged up, or something somewhere is
> seriously wrong, in any event it is too lean.
>
> At RPM's between 3500-5000, when you play with the throttle, does it four
> stroke a lot, or else never four stroke? If it four strokes a lot, that is
> too rich, if it never four strokes, pull the enrichment circuit on, and it
> ought to four stroke some and the rpm's drop off. if it doesn't, then it
is
> too lean, same as the paragraph above.
>
> When you land and try to throttle up, what happens if you pull the
> enrichment circuit on?
>
> Other clues? Plug readings?
>
> Richard Pike
> MKIII N420P (420ldPoops)
> do not archive
>
>
> At 07:21 PM 6/5/2004 -0400, you wrote:
>
> >--> Kolb-List message posted by: "Pat Lavigne" <pjl53@hotmail.com>
> >
> > I have a Bing-54 carb on my 447 Rotax Firestar.
> >Ever since I bought the plane I've had high EGT problems. Leveling off
> >after take off the EGT"S would climb to 1200+ Looking in the CPS bible
I
> >changed the needle jet from a 2.70 to a 2.72 .
> >
> >The EGT's droped to permissible levels (1050-1160), but when I throttle
> >back on landing they climb to the moon.
> >
> > Also when I land and give it throttle to turn around, nothing happens
eg.
> >it remains at idle, or quits.
> >
> >Any suggestions ?
> >Pat FS driver in Rochester, N.Y.
> >
> >http://toolbar.msn.click-url.com/go/onm00200415ave/direct/01/
> >
> >
>
>
> ________________________________ Message 7
_____________________________________
>
>
> Time: 07:27:03 PM PST US
> From: "Kirk Smith" <snuffy@usol.com>
> Subject: Re: Kolb-List: Bing 54 carb problem
>
> --> Kolb-List message posted by: "Kirk Smith" <snuffy@usol.com>
>
>
> > changed the needle jet from a 2.70 to a 2.72 .
> >
> > The EGT's droped to permissible levels (1050-1160), but when I throttle
> > back on landing they climb to the moon.
> >
> > Also when I land and give it throttle to turn around, nothing happens
> eg.
> > it remains at idle, or quits.
> >
> > Any suggestions ?
> > Pat FS driver in Rochester, N.Y.
>
> All my books say that a 447 should have a 2.70 needle jet. The main jet
> should be chosen for the altitude using the conversion chart. Have you
> checked the float level? That can cause rich or lean conditions also. The
> level in the main fuel metering tube has to be correct to be picked off by
> the vacumn in the venturi. To high a level cuases rich, to low a level
> causes lean. My 2 pence........Kirk
>
> Do not archive
>
>
> ________________________________ Message 8
_____________________________________
>
>
> Time: 08:57:54 PM PST US
> From: HShack@aol.com
> Subject: Re: Kolb-List: Firestar II Landing gear leg socket broke
>
> --> Kolb-List message posted by: HShack@aol.com
>
> About 1 1/2 - 2 years ago, I must have had one or two hard landings
[didn't
> notice any extra bouncing] because I noticed the left wing was a little
low. I
>
> figured the gear leg was a little bent & just flew it like that. A few
days
> ago, I tried straightening the gear leg with a press & saw that it was the
> gear socket that was bent, not the leg.
>
> I determined that I would have to fix that some day; maybe wait until
winter.
>
> Today, after my pre-flight I fired her up and started to taxi. Within 10
> feet, I heard a little "pop" & then the left side of my plane went down.
>
> Looks like my Firestar II has the "John Hauck Syndrome", ie. a broken gear
> leg socket. I also have a bent rib [# 7].
>
> The scary thing is that it doesn't look like the wing lift strut is now
very
> firmly attached. And why didn't it break on my last landing instead of
after
> taxiing only 10 feet? If this had happened at 50 mph, I probably wouldn't
> have much left to repair.
>
> As it is, tomorrow I will start to remove everything from the cage &
> determine a course of action. A friend at the airfield has offered to
rebuild
> the
> cage & will probably go that route. I'm thinking I will go with heavier
wall
> gear leg sockets, or maybe double wall. I will make longer gear legs so
they
> will go all the way into the socket; not halfway,like the originals. This
will
>
> give me a chance to re-wire all the electronics & pretty everything up.
> Replace the wing rib. Re-cover. New paint job. Take pictures, make a
builder's
>
> log; now I'm a 51 percenter................
>
> Or, I could buy a new cage....
>
> Howard Shackleford
> FS II
> SC
>
>
> ________________________________ Message 9
_____________________________________
>
>
> Time: 09:53:58 PM PST US
> From: "James and Cathy Tripp" <jtripp@elmore.rr.com>
> Subject: Kolb-List: FSII Weight and Balance
>
> --> Kolb-List message posted by: "James and Cathy Tripp"
<jtripp@elmore.rr.com>
>
> Listers,
> I just got finished weighing on my FS. It's kind of heavy at 445 lbs but
not near
> as heavy as what John Wood said his weighed (562.5 lbs). I was somewhat
surprised
> about the weight as I was expecting it to be about 350 lbs. I guess the
> fancy paint, electric start, BRS, battery, oil tank, strobe lights, and
instrument
> panel all add up. The balance figures are at the aft limit even though I
> weigh 195. The archives mention the aft limit is really at 37% vs the
published
> 35%. Is that correct? If that's the case, it make me feel a little better.
>
> John Jung, can you send me a copy of your excel program ASAP? I would like
to run
> the numbers again to make sure I did things right. The DAR is coming to do
> the airworthiness inspection this Thursday so I really need to have things
in
> order before then.
>
>
> James Tripp, FSII almost done.
>
>
> ________________________________ Message 10
____________________________________
>
>
> Time: 10:04:09 PM PST US
> From: "Dan Charter" <lndc@fnbcnet.com>
> Subject: Kolb-List: tach and radio
>
> --> Kolb-List message posted by: "Dan Charter" <lndc@fnbcnet.com>
>
> I haven't dug into my wiring yet but this is what happened with my
original Firestar
> yesterday. My radio was getting low on power so I decided to plug into the
> power that was run up to the cockpit by a previous owner. The radio
powered
> up fine but when I would key the mic. the tach that always read 2000 rpm's
no
> matter what the throttle was set at started reading properly. There's a
tiny
> tach that came with the plane to verify it. When I let go of the PTT the
Westach
> goes back to reading 2000 rpm's. What do you people think the person that
wired
> it in did? It should be interesting once I get everything traced. Do not
> archive
> Dan Charter
> original Firestar
>
>
Message 7
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| Subject: | [ Mike Pierzina ] : New Email List Photo Share Available! |
--> Kolb-List message posted by: Email List Photo Shares <pictures@matronics.com>
A new Email List Photo Share is available:
Poster: Mike Pierzina <planecrazzzy@lycos.com>
Subject: Checker upholstery
http://www.matronics.com/photoshare/planecrazzzy@lycos.com.06.06.2004/index.html
o Main Photo Share Index
http://www.matronics.com/photoshare
o Submitting a Photo Share
If you wish to submit a Photo Share of your own, please include the
following information along with your email message and files:
1) Email List or Lists that they are related to:
2) Your Full Name:
3) Your Email Address:
4) One line Subject description:
5) Multi-line, multi-paragraph description of topic:
6) One-line Description of each photo or file:
Email the information above and your files and photos to:
pictures@matronics.com
Message 8
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| Subject: | Re: [ Mike Pierzina ] : New Email List Photo Share Available! |
--> Kolb-List message posted by: "Larry Bourne" <biglar@gogittum.com>
Very nice, Mike. What a job of work. Wheee-eeeewww. Lar.
Do not Archive.
Larry Bourne
Palm Springs, CA
Building Kolb Mk III
N78LB Vamoose
www.gogittum.com
----- Original Message -----
From: "Email List Photo Shares" <pictures@matronics.com>
Subject: Kolb-List: [ Mike Pierzina ] : New Email List Photo Share
Available!
> --> Kolb-List message posted by: Email List Photo Shares
<pictures@matronics.com>
>
>
> A new Email List Photo Share is available:
>
> Poster: Mike Pierzina <planecrazzzy@lycos.com>
> >
Message 9
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|
| Subject: | Re: Hello? Is this thing on...? |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
| Here's a question for 4 stroke drivers, especially 912 and 912s.
| What is your ignition advance at or about cruise rpm? -Or
| static full throttle? I'm primarily interested in redrive setups
| that run over 4-5000 rpm. thanx, BB
Bob/Gang:
That info is in the Kodiak web site under 4 stroke, 912 maintenance or
operators manual. The 912/912S cranks at a retarded timing setting,
then advances to a high setting at a low rpm. I don't remember the
numbers off hand.
john h
Message 10
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| Subject: | Mk 3/912, Weight and Balance By Suspension |
Seal-Send-Time: Sun, 6 Jun 2004 19:50:12 -0400
--> Kolb-List message posted by: "H MITCHELL" <mitchmnd@msn.com>
I finally wrestled my shop hoist into the back of my truck and got it to the hangar
this AM. I attached the hook to a strap placed around the root tube just
short of the aft balance limit. An airport friend placed a stool and scale under
the tail wheel to set the wing angle at the prescribed 9 Deg. while I climbed
into the left seat. When the plane was lifted the main gear came up nicely
while the tail wheel stayed firmly on the stool/scale. Weight was added to the
front of the plane until the tail wheel weight went to zero. The left main tended
to stay on the floor but I could make it lift off by leaning over to the
right. Shot bags were added until she was perfectly balanced. Approximately 22
pounds were placed in the nose cone just ahead of the tube framework to achieve
balance.
The factory plans say that a tail-heavy condition is likely to occur with a light
pilot and full fuel tanks. My 150 Lb body weight definitely qualifies me as
a light pilot and the tanks are almost full. Based on today's testing and the
initial flights she was truly tail heavy.
The bad news is that I need extra weight to fly well while solo. The good news
is that when I take a passenger I can remove the lead and be in great shape with
minimum trim required. Now, I will get back to flight testing.
One valid test is worth more than a month of speculation.
Duane the plane Mitchell, Tallahassee, FL
Message 11
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|
| Subject: | Re: Mk 3/912, Weight and Balance By Suspension |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
| The bad news is that I need extra weight to fly well while solo. The
good news is that when I take a passenger I can remove the lead and be
in great shape with minimum trim required. Now, I will get back to
flight testing.
|
| One valid test is worth more than a month of speculation.
|
| Duane the plane Mitchell, Tallahassee, FL
Hi Duane/Gang:
You may be surprised when you fly with the first passenger and
discover it still takes a lot of nose up trim to keep the MKIII happy
in pitch trim. It is the nature of the beast. A high thrust line
combined with power equals a nose that wants to drop.
Most MK III's fly almost perfectly trimmed in pitch, yaw, and roll,
when the engine is shut down. However, when powered up, the nose up
pitch trim also has to come up.
Take care,
john h
PS: I would have no qualms flying your MK III if I weighed in at 150
lbs. I haven't seen 150 since Jump School days in 1958.
Message 12
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--> Kolb-List message posted by: "Johann" <johann@gi.is>
Hello Dan.
This is just guess work here, but could it be that your tach is missing a
proper ground?
The radio could be helping the tach to get the ground connection that is
needs when the radio is transmitting. The high voltage pulses that are sent
to the tach will interfere with the radio signal, so I am guessing that
these two are working together somehow. Check it out. And again, this is
just guesswork here. Radios and groundplanes are sometimes tricky to work
with.
Best of luck with your electrical problems.
Johann G.
Iceland.
Firestar II.
Do not archive
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Dan Charter
Subject: Kolb-List: tach and radio
--> Kolb-List message posted by: "Dan Charter" <lndc@fnbcnet.com>
I haven't dug into my wiring yet but this is what happened with my original
Firestar yesterday. My radio was getting low on power so I decided to plug
into the power that was run up to the cockpit by a previous owner. The radio
powered up fine but when I would key the mic. the tach that always read 2000
rpm's no matter what the throttle was set at started reading properly.
There's a tiny tach that came with the plane to verify it. When I let go of
the PTT the Westach goes back to reading 2000 rpm's. What do you people
think the person that wired it in did? It should be interesting once I get
everything traced. Do not archive
Dan Charter
original Firestar
Message 13
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| Subject: | Re: Mk 3/912, Weight and Balance By Suspension |
--> Kolb-List message posted by: Bob Bean <slyck@frontiernet.net>
Time for you to head on down to that "all you can eat, American Buffet". :)
As I weigh 160 lbs no matter how much beer I drink, I stuck 30 lbs of lead
in the nose of my MkIII for last year's first flight. Seeing that it
behaved
fine in attitude I took 15 lbs back out and changed to a lighter prop.
Now I'll be doing another W&B to see if it still looks reasonable.
I was overly concerned because many years ago I lost a good sized
control line airplane on the first flight due to extreme aft cg. -Hard to
forget that image. -BB
H MITCHELL wrote:
>--> Kolb-List message posted by: "H MITCHELL" <mitchmnd@msn.com>
>
>I finally wrestled my shop hoist into the back of my truck and got it to the hangar
this AM. I attached the hook to a strap placed around the root tube just
short of the aft balance limit. L
>
>
>
>
Message 14
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| Subject: | Re: Mk 3/912, Weight and Balance By Suspension |
--> Kolb-List message posted by: "Edward Chmielewski" <edchmiel@mindspring.com>
Reminds me of the old saw: "An airplane with a forward CG will fly poorly, whereas
one with an aft CG will fly but
once." Been there too with RC stuff, esp. flying wings.
Ed in JXN
MkII/503
----- Original Message -----
From: "Bob Bean" <slyck@frontiernet.net>
Subject: Re: Kolb-List: Mk 3/912, Weight and Balance By Suspension
> --> Kolb-List message posted by: Bob Bean <slyck@frontiernet.net>
>
(Snip)
> I was overly concerned because many years ago I lost a good sized
> control line airplane on the first flight due to extreme aft cg. -Hard to
> forget that image. -BB
Message 15
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| Subject: | Mk 3/912, Weight and Balance By Suspension |
--> Kolb-List message posted by: "Giovanni Day" <gde01@bellsouth.net>
Bob,
What "lighter prop" did you go to?
Do not Archive
-----Original Message-----
From: owner-kolb-list-server@matronics.com
[mailto:owner-kolb-list-server@matronics.com] On Behalf Of Bob Bean
Subject: Re: Kolb-List: Mk 3/912, Weight and Balance By Suspension
--> Kolb-List message posted by: Bob Bean <slyck@frontiernet.net>
Time for you to head on down to that "all you can eat, American Buffet".
:)
As I weigh 160 lbs no matter how much beer I drink, I stuck 30 lbs of
lead in the nose of my MkIII for last year's first flight. Seeing that
it
behaved
fine in attitude I took 15 lbs back out and changed to a lighter prop.
Now I'll be doing another W&B to see if it still looks reasonable. I
was overly concerned because many years ago I lost a good sized control
line airplane on the first flight due to extreme aft cg. -Hard to forget
that image. -BB
H MITCHELL wrote:
>--> Kolb-List message posted by: "H MITCHELL" <mitchmnd@msn.com>
>
>I finally wrestled my shop hoist into the back of my truck and got it
>to the hangar this AM. I attached the hook to a strap placed around the
>root tube just short of the aft balance limit. L
>
>
>
>
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