Today's Message Index:
----------------------
1. 02:47 AM - Re: ASI (pj.ladd)
2. 05:41 AM - Re: Re: Cayuna 430 and Pterodactyl (Dan Walter)
3. 09:36 AM - Re: Thank you (dalewhelan)
4. 10:13 AM - Cuyuna oil, was: Re: Rotax 503 running problem (Dana Hague)
5. 10:19 AM - Re: Re: Cayuna 430 and Pterodactyl (Dana Hague)
6. 10:24 AM - Re: Re: Thank you (robert bean)
7. 07:01 PM - Cuyuna oil, was: Re: Rotax 503 running problem (dalewhelan)
8. 08:02 PM - Re: Re: Cayuna 430 and Pterodactyl (Ron @ KFHU)
9. 08:21 PM - Re: Re: Thank you (possums)
10. 08:46 PM - Re: Cayuna 430 and Pterodactyl (lucien)
11. 09:05 PM - Thank you VGs - John's favorite subject (possums)
12. 09:16 PM - Re: Re: Thank you (Ron @ KFHU)
13. 09:18 PM - Re: Thank you VGs - John's favorite subject (Ron @ KFHU)
14. 09:55 PM - Re: Thank you VGs - John's favorite subject (ces308)
15. 11:08 PM - Gentlemen, Lets all take a deep breath and relax a little.... (Nick Cassara)
Message 1
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I saw the Vulcan fly at Toronto >>
Hi Bob,
An incredible a/c. I saw her first at Farnborough Airshow. During the
previous years there had been a series of small, similarly shaped single
seaters built to explore the delta wing characteristics(It was a long
time ago) but on this occasion the three single seaters flew escort to
this massive bomber.
The flight was first seen at long distance as they waited for their
display entrance, Just glimpsed through the clouds. It reminded me of
that scene in `Shape of things to come` when the first flying machine
seen for years flies over the settlement. Heart stopping! When the
Vulcan, which hardly anyone knew existed, barrelled down the runway at
nought feet with the afterburners roaring. WOW!
When the Vulcan went to the States to take part in the bombing
competitions, which it won, the US put up an intercept shield. The
Vulcan crossed the coast, went knap of the earth, and no one saw her
again until she popped up to circuit height at the destination field.
Read Vulcan 403 (I think) for the story of how we managed to bomb the
Stanley airfield during the Falklands disagreement. If the Argies had
left it another two weeks the last of the Vulcan fleet would have been
out of service.
No one had experience of accurate bombing as the Vulcan was designed to
drop an atomic bomb where accuracy was not required and they had to dig
out an old Lancaster pilot from WW2 to brief the crew. We had no
experience of long distance raids and had to cobble together a fleet of
tankers and the Vulcan refuelling probes didn`t fit the kit. Museums
were raided and probes pinched from displays .One bit of kit was being
used as an ashtray in the Officers mess at one airfield. Typical Brit
lash up and muddle through, but it worked. Just!
The last remaining Vulcan is kept in the air by volunteers and public
gifts of money and she cannot go on indefinitely at around a million
pounds a year.
Pat
Message 2
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Subject: | Re: Cayuna 430 and Pterodactyl |
----- Original Message -----
From: "JetPilot" <orcabonita@hotmail.com>
Sent: Monday, June 22, 2009 3:26 PM
Subject: Kolb-List: Re: Cayuna 430 and Pterodactyl
>
>
> captainron1(at)cox.net wrote:
>> Yesterday I test flew a Rotax 440 on an Eipper MX. What a racket it
>> makes. I
I have flown in front of a Cuyuna Ul202 for over 170 hours and Rotax
for over 100 hours. If the Cuyuna is jetted properly, Monitored for CHTs
and EGTs and is given a fuel system that is in good order I believe they are
just as reliable as the Rotax 377 and 477. My Ul202 quit as a result of a
blocked fuel filter and I know of another that quit due to a bad squeez
bulb, can't blame either on the engine.
I would rather fly a 4 cycle, but weight and price are a deal breaker.
Dan Walter
Ultrastar, Cuyuna
Palmyra, PA
Message 3
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Hi guys, I have not yet tried VGs, but a friend has bought some for our planes.
There are reasons I question weather VGs would have helped in my situation.
I was not stalled, I was sinking.
I expect VGs would lower my stall, not sure they would stop the sink I was having
when I was not stalled.
I flew with a friend that has the same plane I do and has VG's. I think I remember
him losing altitude at speeds lower than my stall but I don't remember for
sure.
Set me straight if I have this wrong, seems to me the VGs big advantage is more
control (ailerons not stalled) and then second slightly more lift because wing
is no stalled.
Do I have this wrong? could I for instance climb at lower speeds than before?
--------
Dale Whelan
503 powered Firestar II
Projection, A simple and interesting Psychological concept
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=249692#249692
Message 4
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Subject: | Re: Cuyuna oil, was: Re: Rotax 503 running problem |
At 07:38 PM 6/19/2009, Ron @ KFHU wrote:
>...The advice I am getting here is to remain on 40/1 mixture that Cayuna
>recommended.
>
>I guess I'll stick with that. Is there anything none exotic that I can get
>at Walmart that will do the job, or do I need to get some special oil. I
>think I read in the past that Pennzoil something or other is the
>recommended oil, is that so?
Ron, I'm using the "Pennzoil Air-Cooled 2-cycle oil" in my Cuyuna at the
recommended 40:1 ratio, as did the previous owner. Some people say "use
50:1, the oils are better today" but I'll stick with the factory
recommendation. Change oil ratio and you need to change jetting, too...
and the factory recommended jetting works, too.
Advance Auto Parts sells the Pennzoil but I usually buy it by the case from
<http://www.oil-store.com/>.
-Dana
--
Society is like a stew. If you don't keep it stirred up, you get a lot of
scum on top.
Message 5
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Subject: | Re: Cayuna 430 and Pterodactyl |
At 03:26 PM 6/22/2009, JetPilot wrote:
>The Rotax 447 is a far Superior motor to the Cuyuna.... I would not fly
>with an such unreliable and touchy motor as the Cuyuna...
Everybody puts down the Cuyuna, but I have yet to see anything other than
anecdotal evidence that there's any significant difference in reliability
compared to the Rotax. Any 2-stroke engine needs proper care and
attention, and the Cuyunas gained their bad reputation in the early days of
ultralights when pilots raised on Continentals and others with no engine
experience at all didn't take proper care of them. If the 447 had been
around at the same time I'll bet it would have had the same [bad] reputation.
-Dana
--
Shotgun wedding: A case of wife or death.
Message 6
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I'm sure many of us have shared the experience of somehow making a
non-damaging landing out of
one that seemed only a second or two earlier to be sure catastrophe.
Part luck, part good responses,
part that wonderful ground effect cushion. Big heavies are also
subject to down drafts but less immediate
due to their mass. Watching a FF approach in gusty wind makes me
glad to have ole tubby, the MkIII.
I respect the atmosphere more than ever, especially now that I am
older and less bold.
But, if you do want to regain a feel for the plane after a period of
little flight you would do better going
out and wrestling the breezes than waiting for dead calm only.
BB, more of a sissy than I wuz
On 23, Jun 2009, at 12:35 PM, dalewhelan wrote:
> <dalewhelan@earthlink.net>
>
> Hi guys, I have not yet tried VGs, but a friend has bought some for
> our planes.
> There are reasons I question weather VGs would have helped in my
> situation.
> I was not stalled, I was sinking.
> I expect VGs would lower my stall, not sure they would stop the
> sink I was having when I was not stalled.
> I flew with a friend that has the same plane I do and has VG's. I
> think I remember him losing altitude at speeds lower than my stall
> but I don't remember for sure.
> Set me straight if I have this wrong, seems to me the VGs big
> advantage is more control (ailerons not stalled) and then second
> slightly more lift because wing is no stalled.
> Do I have this wrong? could I for instance climb at lower speeds
> than before?
>
> --------
> Dale Whelan
> 503 powered Firestar II
> Projection, A simple and interesting Psychological concept
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=249692#249692
>
>
Message 7
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Subject: | Re: Cuyuna oil, was: Re: Rotax 503 running problem |
I hope I don't tick anybody off with this.
While it is true that adding oil leans the fuel mixture, and some have even tried
to change their jetting by altering fuel ratio. Changing from no oil premixed
to 20:1 changed the amount of fuel delivered by 5%
Changing from 50 to 20:1 changes your fuel by 3%
I am not sure how many ccs/ min a Bing jet like 158 flows, if you had your jetting
perfect to start with I would guess these oil changes would result in a change
of about 1 size.
I normally only jet to the closest main when I really want something to run, Some
people I know would get a half size by changing their coolant temp 5degrees
C Hotter=Richer
--------
Dale Whelan
503 powered Firestar II
Projection, A simple and interesting Psychological concept
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=249739#249739
Message 8
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From: | "Ron @ KFHU" <captainron1@cox.net> |
Subject: | Re: Cayuna 430 and Pterodactyl |
Well today I had the first real flight in the Cuyuana powered Duck got only about
15 miles from the strip I took off, when I had to put it down in a graded pre
construction job site. No problems at all. But the engine did not act well.
It look like there was bubbling right at the fuel filter. Maybe it has an air
leak. got it trailed the rest of the way to my hanger, now I got a nice place
to work on it but little time. We also found a length wise crack in the wood
prop. Its a two blader prop 54 inch long and the hub thickness is 4cm, I tried
measuring in inches but could not get a round number. Anyway I need a new prop
( like yesterday). It looks like a 2/1 reduction belt drive with a 4 bolt pattern
and its counter clock turning.
If anyone has one of these laying around and wants to sell it FedEx overnight contact
me offline.
Any ideas as to why the motor spattered when I advanced the prop to gull power
would be appreciated. Would a fuel pump do that? air leak in the line, too rich
a jetting?
It run okay kinda in mid power setting but when I gave it full power it did okay
for a while and then started chocking. I got one day or so to get it straightened
out.
Do we have any Kolbers in Tucson or the area that can fly a 60 mile track using
GPS way points out of KFHU Thursday and Friday. You want to have some fun and
make some money let me know. One way or another the job gotta be done.
Message 9
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At 12:35 PM 6/23/2009, you wrote:
>
>Hi guys, I have not yet tried VGs, but a friend has bought some for
>our planes.
>There are reasons I question weather VGs would have helped in my situation.
>
>Do I have this wrong? could I for instance climb at lower speeds than before?
If you have $100 to spare, it will be the best $100 you have ever spent on
your plane. You can climb at an unbelievable angle at an unimaginable
low speed without stalling -----at least on a single seater (stall
reduced at least
5 or 6 mph, control increased - but you would have to experience
that part of to know what I'm talking about.)
This thread has been beaten to death.
If you don't want to reinvent the wheel, buy them from
www.landshorter.com
and use their templates and instructions to install them, they've
already done the work.
Most of these were shot with VGs and are all, of course, "Photo
shopped" and no ducks were killed
or injured and not eaten during the making of these films as per PETA
guidelines.
http://video.google.com/videoplay?docid=-4600043392041186975
http://video.google.com/videoplay?docid=-8022448200127542755
http://video.google.com/videoplay?docid=-5232234046747826901
http://video.google.com/videoplay?docid=2622632755661898541
Message 10
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Subject: | Re: Cayuna 430 and Pterodactyl |
Dana wrote:
>
> Everybody puts down the Cuyuna, but I have yet to see anything other than
> anecdotal evidence that there's any significant difference in reliability
> compared to the Rotax. Any 2-stroke engine needs proper care and
> attention, and the Cuyunas gained their bad reputation in the early days of
> ultralights when pilots raised on Continentals and others with no engine
> experience at all didn't take proper care of them. If the 447 had been
> around at the same time I'll bet it would have had the same [bad] reputation.
>
> -Dana
>
> --
> Shotgun wedding: A case of wife or death.
The early days of 2-strokes were really tough on their reputation. The engines
themselves had their own problems, but the non-existent training/experience in
their use by primarily 4-stroke drivers was far and away the biggest problem.
At the time, they didn't know how to install em, prop em, jet em, fuel em and maintain
em. It was nothing like the big iron in any of these respects for sure.
Virtually all my experience is with the Rotax aircooled motors so don't know much
about the history of the Cuyuna. But the Rotax have gone through so many updates
since their early introduction that I've lost count. The biggest ones have
been improvements to the bottom end, particularly beefing up of the crank and
its bearings especially at the PTO end, the provision 4 and then 8 crankcases
for reliable mounting of the gearboxes, the move to CDI, and a bunch more smaller
changes here and there.
The other significant enhancement is the field experience, now in the decades range,
which tells us how to operate and maintain the motors.
The jetting charts, breakin procedures, lots of folks around who knew the "gotchas"
and there are a few here and there with all the Rotaxen.
That more than anything else has been the biggest improvement in the reliability
of the 2-strokes, in addition to the improvements of the motors themselves of
course.
All that said, the very early non-provision points Rotaxen did break cranks from
time to time, mostly on the quicksilver which used a hard coupling shaft attached
directly to the crank, making for a bit of a PR problem for Rotax. But by
the time of the provision 8 motors and the wide usage of the gearbox, this became
practically a thing of the past (except for the 582 which still is a bit
weak in the crankshaft area).
Not to mention all the experience we have with them, that has virtually eliminated
the 2-stroke troubles of the old days. But the bad rap lingers on, mostly
from folks who don't much experience running them or 4-stroke drivers trying to
use their old skills with them.
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=249752#249752
Message 11
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Subject: | Thank you VGs - John's favorite subject |
>
>If you don't want to reinvent the wheel, buy them from
>www.landshorter.com
They are little bitty things, easy to apply & hard to see.
If I have a decent headwind, I can lower a beer to the guys on the
ground with a fishing line.
If the wind's just right, I can fly backwards.
If the wind's perfect I can just tie a rope to my plane & I don't
have to use the engine at all.
Message 12
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From: | "Ron @ KFHU" <captainron1@cox.net> |
Lol.
=================
---- possums <possums@bellsouth.net> wrote:
============
At 12:35 PM 6/23/2009, you wrote:
>
>Hi guys, I have not yet tried VGs, but a friend has bought some for
>our planes.
>There are reasons I question weather VGs would have helped in my situation.
>
>Do I have this wrong? could I for instance climb at lower speeds than before?
If you have $100 to spare, it will be the best $100 you have ever spent on
your plane. You can climb at an unbelievable angle at an unimaginable
low speed without stalling -----at least on a single seater (stall
reduced at least
5 or 6 mph, control increased - but you would have to experience
that part of to know what I'm talking about.)
This thread has been beaten to death.
If you don't want to reinvent the wheel, buy them from
www.landshorter.com
and use their templates and instructions to install them, they've
already done the work.
Most of these were shot with VGs and are all, of course, "Photo
shopped" and no ducks were killed
or injured and not eaten during the making of these films as per PETA
guidelines.
http://video.google.com/videoplay?docid=-4600043392041186975
http://video.google.com/videoplay?docid=-8022448200127542755
http://video.google.com/videoplay?docid=-5232234046747826901
http://video.google.com/videoplay?docid=2622632755661898541
--
kugelair.com
Message 13
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From: | "Ron @ KFHU" <captainron1@cox.net> |
Subject: | Re: Thank you VGs - John's favorite subject |
Now if there ever was a target for a paint ball gun, that fat balloon (an I ain't
talking about Mellisa) was it.
===========================================
---- possums <possums@bellsouth.net> wrote:
============
>
>If you don't want to reinvent the wheel, buy them from
>www.landshorter.com
They are little bitty things, easy to apply & hard to see.
If I have a decent headwind, I can lower a beer to the guys on the
ground with a fishing line.
If the wind's just right, I can fly backwards.
If the wind's perfect I can just tie a rope to my plane & I don't
have to use the engine at all.
--
kugelair.com
Message 14
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Subject: | Re: Thank you VGs - John's favorite subject |
That is the next thing going on my airplane !!!!Thank you for that report...although
I was already convinced.....
chris ambrose
M3X/Jab/ 28.5 hrs
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=249757#249757
Message 15
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Subject: | Gentlemen, Lets all take a deep breath and relax a little.... |
Gentlemen, Lets all take a deep breath and relax a little....ladies your
doing fine!
Since I do not have a single hour in a Kolb of any type, please allow me to
share an insight with you all. I have learned a lot about Kolb's from this
on line "family" of sorts. I am grateful to you all.
Like all families you do not all agree on everything, and sometimes on
nothing! You all fly similar, but different planes. You all fly in very
different places. You all have different amounts of time in your Kolb, and
other aircraft, so all of your judgments are shaped by your experiences,
which are all different.
If I was John H probably would not have VG's on my plane. If I had the hour
in my plane that John does there would not be a whole lot of point to having
VG's .
If I ever get this pile of parts to look like an airplane, I will have VG's.
Thirty years from now I might have as much time in the air as John, but I
doubt it. I then would probable recommend VG to everyone because that is
what I would know.
I am flown, at work, by a group of high time Alaskan Super Cub pilots some
with VG's and some without. No two cubs are the same, BUT they all perform
beautifully in the hands of their pilots.
So the long and the short of this dribble is that none of you are right, and
none of you are wrong!!!!!!! You all just see the world through the filter
of your experience!
Please Keep teaching.I have a lot more to learn for you all!
Sincerely,
Nick Cassara
Palmer, Alaska
Proto type Kolbra waiting to be finished!
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