Today's Message Index:
----------------------
1. 04:32 AM - Re: SS rework (PATRICK LADD)
2. 04:44 AM - Re: SS rework (PATRICK LADD)
3. 05:35 AM - Re: SS rework (Rusty)
4. 06:19 AM - Re: SS rework (bryan green)
5. 06:37 AM - experimental registration (bryan green)
6. 07:13 AM - Re: experimental registration (John Hauck)
7. 07:14 AM - Re: SS rework (John Hauck)
8. 07:36 AM - Re: experimental registration (bryan green)
9. 09:29 AM - Re: SS rework (Rusty)
10. 10:07 AM - Re: SS rework (Kirby Dennis Contr MDA/AL)
11. 10:31 AM - Re: SS rework (Kelvin Kurkowski)
12. 10:39 AM - Differential hand brakes (Richard Pike)
13. 11:12 AM - Re: SS rework (Kelvin Kurkowski)
14. 11:22 AM - Re: Re: SS rework (Rusty)
15. 11:25 AM - Re: Differential hand brakes (Rusty)
16. 12:56 PM - Re: SS rework flaperons (Ben Ransom)
17. 05:57 PM - Off UL, An OF's Rant (Bob N.)
18. 06:08 PM - Re: Off UL, An OF's Rant (David M. Lehman)
19. 06:59 PM - Re: UL: Off UL, An OF's Rant (Bob N.)
20. 07:14 PM - Re: Off UL, An OF's Rant (John Hauck)
21. 07:44 PM - Re: SS Flaperons (Richard Swiderwski)
Message 1
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--> Kolb-List message posted by: "PATRICK LADD" <pj.ladd@btinternet.com>
<<I just finished putting some hydraulic disk brakes on. Instead of foot
peddles, I made a differential lever system activated by my left hand.>>
Hi,
I would like details of that too, please.
Cheers
Pat
pj.ladd@btinternet.com
Do not archive
Message 2
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--> Kolb-List message posted by: "PATRICK LADD" <pj.ladd@btinternet.com>
<< Rusty (don't need no stinkin' flaperons)>>
Hi,
watcha got against flaperons?.
My Challenger has flaperons which have always worked well. Apart from
upsetting he trim when applied, and the 111Xtra has them.
Aileron control seems to be just as effective whatever the position of the
flaperons and it certainly does not decrease the effectiveness of the `flap`
side of it. She drops like a stone with full flaperon applied.
Cheers
Pat
pj.ladd@btinternet.com
Do not archive
Message 3
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--> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
Hi,
watcha got against flaperons?.
(RD) I knew the flaperons would get people going, and we haven't heard from
John yet :-) As I mentioned in previous posts, my original SS tests showed
that the flaperons only decreased stall speed from 2-4 mph, which just
doesn't seem like a significant decrease to me. The descent rate increases
from "brick" to "cinder block", but "brick" is fast enough for my needs. I
also find the mechanism hard to reach, and use.
(RD) As a side note. On my original SS, I tried setting up the flaperons
for 10 degrees of reflex. I didn't note any difference in the cruise speed,
but it had about a 10 mph impact in the stall speed. Basically, I decided
it wasn't such a good idea.
Rusty (talking myself into removing the flaperon mechanism)
Message 4
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--> Kolb-List message posted by: "bryan green" <lgreen1@sc.rr.com>
Mornin Pat, the only thing I use the Flaperons on a challenger for is trim.
The Challenger comes down like a rock in a slip anyway. :~)
Bryan Green Elgin SC
Firestar I 19LBG 377 BRS
----- Original Message -----
From: "PATRICK LADD" <pj.ladd@btinternet.com>
Subject: Re: Kolb-List: SS rework
> --> Kolb-List message posted by: "PATRICK LADD" <pj.ladd@btinternet.com>
>
> << Rusty (don't need no stinkin' flaperons)>>
>
> Hi,
> watcha got against flaperons?.
>
> My Challenger has flaperons which have always worked well. Apart from
> upsetting he trim when applied, and the 111Xtra has them.
> Aileron control seems to be just as effective whatever the position of the
> flaperons and it certainly does not decrease the effectiveness of the
> `flap`
> side of it. She drops like a stone with full flaperon applied.
>
> Cheers
>
> Pat
>
> pj.ladd@btinternet.com
>
> Do not archive
>
>
>
Message 5
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| Subject: | experimental registration |
--> Kolb-List message posted by: "bryan green" <lgreen1@sc.rr.com>
Good morning all, it seems like yall are looking for a subject so here goes.
I intend to register The Original Firestar(Orange Crush) some time in 2005.
I will be finished with the rebuild, my PPL and put some time on it by then.
What resources should I look at to make this go smooth and what is the minimum
I have to have for day VFR flight (experimental)?
Bryan Green Elgin SC USUA BFI
Firestar I 19LBG 377 BRS
Message 6
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| Subject: | Re: experimental registration |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
is the minimum I have to have for day VFR flight (experimental)?
|
| Bryan Green Elgin SC USUA BFI
Morning Bryan/Gang:
Give your nearest FSDO a call. Request a packet building, inspecting,
and registering your experimental/homebuilt aircraft. Everything you
ever wanted to know about the experimental experience will be in
there.
Take care,
john h
Message 7
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--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
Good Morning Rusty/Gang:
Cruddy day in Alabama, but forecast looks good for this weekend.
However, the Spring temps we are experiencing today will turn around
and get down right cold by Saturday.
Saturday will be a good day to fly up to Doyle Langford's farm for the
flyin Ted Cowan posted yesterday. I plan to load up my camping gear
and head south for barbeque and hospitality, if I can still remember
how to fly my old bird. Rusty, why not fly up and we can chat about
some of your proposed SS changes.
| (RD) my original SS tests showed
| that the flaperons only decreased stall speed from 2-4 mph, which
just
| doesn't seem like a significant decrease to me.
IIRC the first time I flew the old red Kolb SS at Oshkosh some years
ago, it stalled clean at 40 IAS and about 36 with full flaperons.
That goes right along with Rusty's short test of his SS. I don't know
about the rest of you all, but a 11% decrease in stall speed is
significant to me.
The descent rate increases
| from "brick" to "cinder block", but "brick" is fast enough for my
needs.
I have been flying Kolb aircraft long enough now that power off decent
rate in these airplanes is "normal" to me. I do not see them dropping
like a rock, although someone with little or no experience in a Kolb
would certainly disagree with me.
| I also find the mechanism hard to reach, and use.
I never had a problem with the flaperon controls.
| (RD) As a side note. On my original SS, I tried setting up the
flaperons
| for 10 degrees of reflex. I didn't note any difference in the
cruise speed,
| but it had about a 10 mph impact in the stall speed.
Seems to me that 10 degrees of reflex would change the flaperons from
ailerons to spoilers. That is a significant amount of reflex. Might
have better results experimenting with aerodynamic changes by
approaching them slowly in small increments.
| Rusty (talking myself into removing the flaperon mechanism)
If one goes back through the Kolb Archives one will find a lot of
builders making significant changes to aircraft they have little or no
experience flying. My philosophy is to get some quality experience in
the make and model of aircraft you are building prior to deciding what
you are going to chop up and change.
The SS was a drastic change from the "normal" Kolb model. Not only
was the wing span shortened to 22', but a significant amount of
incidence was removed from the wings in order to get the tail boom of
the SS to fly in a level attitude at cruise speed. However, at slow
speeds near the stall, the tail droops to an uncomfortable attitude,
putting the SS in a nose high attitude. To correct for this, full
flaperons pull the nose down, leveling the SS. This was especially
important when flying in the traffic patterns at Lakeland and Oshkosh
with other airplanes which were flying much slower than the SS.
The reason for the long gear legs and nose high attitude of the SS on
the ground was to improve takeoffs by increasing wing angle of attack.
Flaperons help get the aircraft in a good attitude for a 3 point
landing. During flare, in ground effect with full flaperons, the
flaperons are probably increasing stall by much more than 4 mph. I
find the same thing true with my MKIII during the flare, in ground
effect, with full flaps.
The only down side to flaperons, that I have found over the years, is
a decrease in effectiveness of roll control at extremely slow speeds,
especially in turbulent air, like we find at Lakeland and Oshkosh
during the shows. At those times, it is adviseable to not use
flaperons and increase approach speed. I have found the same thing
true of the Firefly, hitting the flaperons stops several times while
attempting to land at Lakeland. I don't have that problem with the
Mark III with flaps and ailerons.
Hopefully, this email will make some kind of sense. I am still
working on my second cup of coffee, watching the rain drops fall.
john h
Message 8
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| Subject: | Re: experimental registration |
--> Kolb-List message posted by: "bryan green" <lgreen1@sc.rr.com>
Thanks John it looks like we will be getting some thunderstorms here this
afternoon. Do not archive.
Bryan Green (Elgin SC)
----- Original Message -----
From: "John Hauck" <jhauck@elmore.rr.com>
Subject: Re: Kolb-List: experimental registration
> --> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
>
> is the minimum I have to have for day VFR flight (experimental)?
>
> Morning Bryan/Gang:
>
> Give your nearest FSDO a call. Request a packet building, inspecting,
> and registering your experimental/homebuilt aircraft. Everything you
> ever wanted to know about the experimental experience will be in
> there.
>
> Take care,
>
> john h
>
>
>
Message 9
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|
--> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
Saturday will be a good day to fly up to Doyle Langford's farm for the
flyin Ted Cowan posted yesterday.
(RD) Any details about where this is, length and condition of field, etc?
Is it RV-3 compatible? I looked at Ted's post from yesterday, and even went
to the web page, but I only saw a mention of "Waldon Field" between Ashford
and Cottonwood.
I have been flying Kolb aircraft long enough now that power off decent
rate in these airplanes is "normal" to me. I do not see them dropping
like a rock, although someone with little or no experience in a Kolb
would certainly disagree with me.
(RD) I never said it was alarming. My point was that the plane has more
than sufficient descent rate without deploying flaperons.
I never had a problem with the flaperon controls.
(RD) This all depends on your physical proportions. I'm tall from the waist
up, and have almost no headroom. If I start to lean forward, my head hits
the canopy almost immediately. I just went out and sat in the plane again
to verify how hard this was to reach. The only way I can get the tips of my
fingers on the flap handle is to tilt my head all the way forward, and lean
as far forward as I can. At this point, I can "barely" reach the handle,
the back of my head is against the canopy, I'm looking at my belt buckle,
can't see anything forward, and I'm in an awkward disorienting position.
Maybe it's just me, but this isn't the position I want to be in on base or
final, or when trying to retract flaps after a go-around.
My philosophy is to get some quality experience in
the make and model of aircraft you are building prior to deciding what
you are going to chop up and change.
(RD) Doesn't my 50 hours in the original SS count for anything :-)
Cheers,
Rusty (don't always use flaps in the RV-3 either)
Message 10
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--> Kolb-List message posted by: Kirby Dennis Contr MDA/AL <Dennis.Kirby@kirtland.af.mil>
Rusty wrote: << I will try to extend the panel closer to the pilot, so I
can reach it. >>
Rusty -
I did this, following the advice from several other Kolb members. Excellent
mod - you'll be happy you did it!
My panel is 6 inches closer to me, AND it's hinged at the bottom, allowing
it to easily swing down and provide open access to all the backs of the
instruments, wiring, etc. Makes for simplified maintenance.
Lots of discussion on Instrument Panel extensions in the archives - or, I
can give you the details of how I did mine. Lemme know ...
Dennis Kirby
Mark-IIIc, Verner-powered in
Cedar Crest, NM
Message 11
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(not processed: message from trusted or authenticated source)
--> Kolb-List message posted by: "Kelvin Kurkowski" <kkurkow@chase3000.com>
Tnx Jack
----- Original Message -----
From: "Rusty" <13brv3c@bellsouth.net>
Subject: RE: Kolb-List: SS rework
> --> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
>
>
> Saturday will be a good day to fly up to Doyle Langford's farm for the
> flyin Ted Cowan posted yesterday.
>
> (RD) Any details about where this is, length and condition of field, etc?
> Is it RV-3 compatible? I looked at Ted's post from yesterday, and even
went
> to the web page, but I only saw a mention of "Waldon Field" between
Ashford
> and Cottonwood.
>
>
> I have been flying Kolb aircraft long enough now that power off decent
> rate in these airplanes is "normal" to me. I do not see them dropping
> like a rock, although someone with little or no experience in a Kolb
> would certainly disagree with me.
>
> (RD) I never said it was alarming. My point was that the plane has more
> than sufficient descent rate without deploying flaperons.
>
> I never had a problem with the flaperon controls.
>
> (RD) This all depends on your physical proportions. I'm tall from the
waist
> up, and have almost no headroom. If I start to lean forward, my head hits
> the canopy almost immediately. I just went out and sat in the plane again
> to verify how hard this was to reach. The only way I can get the tips of
my
> fingers on the flap handle is to tilt my head all the way forward, and
lean
> as far forward as I can. At this point, I can "barely" reach the handle,
> the back of my head is against the canopy, I'm looking at my belt buckle,
> can't see anything forward, and I'm in an awkward disorienting position.
> Maybe it's just me, but this isn't the position I want to be in on base or
> final, or when trying to retract flaps after a go-around.
>
>
> My philosophy is to get some quality experience in
> the make and model of aircraft you are building prior to deciding what
> you are going to chop up and change.
>
> (RD) Doesn't my 50 hours in the original SS count for anything :-)
>
> Cheers,
> Rusty (don't always use flaps in the RV-3 either)
>
>
Message 12
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| Subject: | Differential hand brakes |
--> Kolb-List message posted by: Richard Pike <richard@bcchapel.org>
Posted some pictures of a hand operated differential braking system.
http://www.bcchapel.org/pages/0003/pg4.htm
Richard Pike
MKIII N420P (420ldPoops)
At 09:09 PM 12/6/2004 -0600, you wrote:
>--> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
><snip>
>
>I just finished putting some hydraulic disk brakes on. Instead of foot
>peddles, I made a differential lever system activated by my left hand.
>
>(RD) I'd love to see pics of that. Can you email me some?
><snip>
>Rusty (late for food)
do not archive
>
>
Message 13
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(not processed: message from trusted or authenticated source)
--> Kolb-List message posted by: "Kelvin Kurkowski" <kkurkow@chase3000.com>
Sorry for the mistaken post, can't see how I did it.
KK
do not archive
----- Original Message -----
From: "Kelvin Kurkowski" <kkurkow@chase3000.com>
Subject: Re: Kolb-List: SS rework
> --> Kolb-List message posted by: "Kelvin Kurkowski"
<kkurkow@chase3000.com>
>
> Tnx Jack
> ----- Original Message -----
> From: "Rusty" <13brv3c@bellsouth.net>
> To: <kolb-list@matronics.com>
> Subject: RE: Kolb-List: SS rework
>
>
> > --> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
> >
> >
> > Saturday will be a good day to fly up to Doyle Langford's farm for the
> > flyin Ted Cowan posted yesterday.
> >
> > (RD) Any details about where this is, length and condition of field,
etc?
> > Is it RV-3 compatible? I looked at Ted's post from yesterday, and even
> went
> > to the web page, but I only saw a mention of "Waldon Field" between
> Ashford
> > and Cottonwood.
> >
> >
> > I have been flying Kolb aircraft long enough now that power off decent
> > rate in these airplanes is "normal" to me. I do not see them dropping
> > like a rock, although someone with little or no experience in a Kolb
> > would certainly disagree with me.
> >
> > (RD) I never said it was alarming. My point was that the plane has more
> > than sufficient descent rate without deploying flaperons.
> >
> > I never had a problem with the flaperon controls.
> >
> > (RD) This all depends on your physical proportions. I'm tall from the
> waist
> > up, and have almost no headroom. If I start to lean forward, my head
hits
> > the canopy almost immediately. I just went out and sat in the plane
again
> > to verify how hard this was to reach. The only way I can get the tips
of
> my
> > fingers on the flap handle is to tilt my head all the way forward, and
> lean
> > as far forward as I can. At this point, I can "barely" reach the
handle,
> > the back of my head is against the canopy, I'm looking at my belt
buckle,
> > can't see anything forward, and I'm in an awkward disorienting position.
> > Maybe it's just me, but this isn't the position I want to be in on base
or
> > final, or when trying to retract flaps after a go-around.
> >
> >
> > My philosophy is to get some quality experience in
> > the make and model of aircraft you are building prior to deciding what
> > you are going to chop up and change.
> >
> > (RD) Doesn't my 50 hours in the original SS count for anything :-)
> >
> > Cheers,
> > Rusty (don't always use flaps in the RV-3 either)
> >
> >
>
>
Message 14
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--> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
My panel is 6 inches closer to me, AND it's hinged at the bottom, allowing
it to easily swing down and provide open access to all the backs of the
instruments, wiring, etc.
(RD) Thanks Dennis. I looked through the archives, and found some folks
describing the same sort of mod that you did. As they say though, a picture
is worth a thousand words. The only downside to Matt's excellent list is
that you can't include photos directly, and the links provided in the
archive posts have long expired. Do you, or anyone else have a picture of
the mod you did?
(RD) On the same subject, I recall that Kolb used to sell a sub panel that
essentially did what we're talking about. Is that still available anywhere?
(RD) I just checked, and found that I'd need an extension of 9 or 10 inches
to put the panel at normal arm's reach. Rather than keeping it all under
the canopy of the SS, I might even consider shortening the canopy to match
where the panel ends up. Hmmm, lot's to consider.
Thanks,
Rusty (mentally firing up the TIG welder)
Message 15
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| Subject: | Differential hand brakes |
--> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
Posted some pictures of a hand operated differential braking system.
http://www.bcchapel.org/pages/0003/pg4.htm
Richard Pike
MKIII N420P (420ldPoops)
(RD) Thanks Richard. Just the sort of unconventional ideas I'm looking for
:-)
Rusty (wearing out my welcome)
Message 16
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DomainKey-Signature: a=rsa-sha1; q=dns; c=nofws;
s=s1024; d=yahoo.com;
b=u0xdn557fNhYcEtScVKu3AHo90H0RV5Q4ARsFAEuWR14wJSGOwarpcPnZMKLSu1h54pzwtXt8SJVyOCkQ4I25oCU9IlBCZhMnEhxuIOMqQHQHYhob4/zp/ZrLP7kR+Uq9uVayIz6WZqUQCoZ6OtwxIk7LUyPwSev9dAQDthUdEg=
;
| Subject: | SS rework flaperons |
--> Kolb-List message posted by: Ben Ransom <bwr000@yahoo.com>
WRT flaps and my "vote" in possibly keeping them, or even improving
them, it is based partly on principle and partly on what I would want
to do with the airplane. My "principle", is just that I like it when a
plane has a wide speed range (stall to cruise or even max). The Kolbs,
although STOL, could do better. (There are planes with EW of 1000lbs
and even gross weights around 2000lbs that stall and land slower.) So
it just bugs me that i have a STOL plane that has a speed range of
33-75 when I know better is do-able, somehow. I would be interested in
how to improve on the 2-4mph slowdown. The other thing is 'what i want
to do with the airplane', and, since I like operating off of "user
defined runways", slower is better.
In short tho, "principle" and "what you want to do with your airplane"
are personal. Flying a SS around without landing 3mph slower -- no
arguments with that mission whatsoever. Another question tho, is what
about the guy that wants to buy your SS later, will he want stock
flaperons, and really, how much trouble are they to do now?
I fell asleep last night picturing that I would really like to put some
yarn telltales on the outboard 5 feet of my FS wings and have some
brave soul photograph them as I fly at high AOA 2 feet above the
runway. I think wing fences in the right place might be helpful. That
and going back to trying VGs again.
-Ben
--- Rusty <13brv3c@bellsouth.net> wrote:
> --> Kolb-List message posted by: "Rusty" <13brv3c@bellsouth.net>
>
>
> Hi,
> watcha got against flaperons?.
>
> (RD) I knew the flaperons would get people going, and we haven't
> heard from
> John yet :-) As I mentioned in previous posts, my original SS tests
> showed
> that the flaperons only decreased stall speed from 2-4 mph, which
> just
> doesn't seem like a significant decrease to me. The descent rate
> increases
> from "brick" to "cinder block", but "brick" is fast enough for my
> needs. I
> also find the mechanism hard to reach, and use.
>
> (RD) As a side note. On my original SS, I tried setting up the
> flaperons
> for 10 degrees of reflex. I didn't note any difference in the cruise
> speed,
> but it had about a 10 mph impact in the stall speed. Basically, I
> decided
> it wasn't such a good idea.
>
> Rusty (talking myself into removing the flaperon mechanism)
>
>
>
> _->
>
>
>
>
>
>
>
=====
http://mae.ucdavis.edu/~ransom
Message 17
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| Subject: | Off UL, An OF's Rant |
--> Kolb-List message posted by: "Bob N." <ronoy@shentel.net>
Pearl Harbor Day 2004
Our local fish-wrapper- The Astonisher & Daily Blatt aka The Winchester
Star went all out in remembering A Day of Infamy, with less than 8
column inches on pg. A5, below the fold yet--cobbed off The Washington
Post's equally
minuscule treatment on page A6. I reckon that's OK, since who among us
is still sound enough of mind to Remember Pearl Harbor--and who gives a
ratass besides? Pearl who?
It was after Sunday dinner (we had dinner at midday then) and my mother
was calling me to dry dishes, while my father was reading Time mag and
not really listening to the Crossly radio. Up in my room i was patiently
winding #30 SCC (single cotton covered) wire on an empty toilet paper
tube, as part of a short wave radio under construction. I had graduated
from high school and was a freshman in college.
I remember my father loudly exclaiming in German, when he wouldn't swear
in English: Gott im Himmel, the Japs have attacked Pearl Harbor! The
announcer on the old Blue Network said Pearl harbor was an island in the
Pacific that held a large U.S. Naval base. My mother was near tears
because her brother was Superintendent of Schools in the Philippines,
and a major in the Army Reserves. I was sent to Compton's Pictured
Encyclopedia (1928) to look up Pearl Harbor--to no avail--just Pearls
and Peary, Admiral. Dad went to his Webster's New International
Dictionary (1928) for more definitive information: Pearl Harbor, inlet,
6 m W Honolulu, Hawaiian Isls; pearls, U.S. Naval base.
Without television or instant communications, the public did not get the
full impact of the attack until much later, but then a wave of
patriotism rolled across the land, fueled by the increased scope of
information and pictures of the devastation. The populace was united in
their outrage.
I wanted to enlist immediately, to get my wings, and fight the Dirty
Japs. (I'll be heartily chastised for this characterization, but that
was then, this is now) My father opined that while we weren't yet at
war, it should be over soon since the Japs were not thought to have a
large war machine. So I stayed a civilian, but did get work as a welder
in the Chicago area, welding tank turrets and destroyer escorts. In
December 1942 I enlisted in the Navy V-5 Aviation Cadet flight training
program, learned to fly The Navy Way.
I Remember Pearl Harbor.
Bob N.
A soft salute to all the old boys
http://www.angelfire.com/rpg/ronoy
do not archive
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| Subject: | Re: Off UL, An OF's Rant |
From": "\364\277\364 David M. Leh..."@matronics.com
--> Kolb-List message posted by: " David M. Lehman" <kolbypilot@yahoo.com>
Bob...
Bravo... Lest we forget...
Regards...
David
--- "Bob N." <ronoy@shentel.net> wrote:
> --> Kolb-List message posted by: "Bob N."
> <ronoy@shentel.net>
>
> Pearl Harbor Day 2004
>
> Our local fish-wrapper- The Astonisher & Daily Blatt
> aka The Winchester
> Star went all out in remembering A Day of Infamy,
> with less than 8
> column inches on pg. A5, below the fold yet--cobbed
> off The Washington
> Post's equally
> minuscule treatment on page A6. I reckon that's OK,
> since who among us
> is still sound enough of mind to Remember Pearl
> Harbor--and who gives a
> ratass besides? Pearl who?
>
> It was after Sunday dinner (we had dinner at midday
> then) and my mother
> was calling me to dry dishes, while my father was
> reading Time mag and
> not really listening to the Crossly radio. Up in my
> room i was patiently
> winding #30 SCC (single cotton covered) wire on an
> empty toilet paper
> tube, as part of a short wave radio under
> construction. I had graduated
> from high school and was a freshman in college.
>
> I remember my father loudly exclaiming in German,
> when he wouldn't swear
> in English: Gott im Himmel, the Japs have attacked
> Pearl Harbor! The
> announcer on the old Blue Network said Pearl harbor
> was an island in the
> Pacific that held a large U.S. Naval base. My mother
> was near tears
> because her brother was Superintendent of Schools in
> the Philippines,
> and a major in the Army Reserves. I was sent to
> Compton's Pictured
> Encyclopedia (1928) to look up Pearl Harbor--to no
> avail--just Pearls
> and Peary, Admiral. Dad went to his Webster's New
> International
> Dictionary (1928) for more definitive information:
> Pearl Harbor, inlet,
> 6 m W Honolulu, Hawaiian Isls; pearls, U.S. Naval
> base.
>
> Without television or instant communications, the
> public did not get the
> full impact of the attack until much later, but then
> a wave of
> patriotism rolled across the land, fueled by the
> increased scope of
> information and pictures of the devastation. The
> populace was united in
> their outrage.
>
> I wanted to enlist immediately, to get my wings, and
> fight the Dirty
> Japs. (I'll be heartily chastised for this
> characterization, but that
> was then, this is now) My father opined that while
> we weren't yet at
> war, it should be over soon since the Japs were not
> thought to have a
> large war machine. So I stayed a civilian, but did
> get work as a welder
> in the Chicago area, welding tank turrets and
> destroyer escorts. In
> December 1942 I enlisted in the Navy V-5 Aviation
> Cadet flight training
> program, learned to fly The Navy Way.
>
> I Remember Pearl Harbor.
>
> Bob N.
>
> A soft salute to all the old boys
>
> http://www.angelfire.com/rpg/ronoy
>
> do not archive
>
>
>
> Click on the
> this
> by the
> Admin.
> _->
> Contributions
> any other
> Forums.
>
> http://www.matronics.com/subscription
> http://www.matronics.com/FAQ/Kolb-List.htm
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>
>
>
>
>
>
=====
do not archive
__________________________________
http://my.yahoo.com
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| Subject: | Re: UL: Off UL, An OF's Rant |
--> Kolb-List message posted by: "Bob N." <ronoy@shentel.net>
Errror, error.
Crossly should be Crossley. Dang sorrowful acct that.
dope-slapping.
Bob N.
do not archive
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| Subject: | Re: Off UL, An OF's Rant |
--> Kolb-List message posted by: "John Hauck" <jhauck@elmore.rr.com>
Hi Grey Baron/All:
I add my accolades also.
john h
Proud Vet of another era.
|
Message 21
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--> Kolb-List message posted by: "Richard Swiderwski" <rswiderski@earthlink.net>
Hey Rusty,
That darn John stole everything I was going to say about flaperons!
Well maybe I might have the chance to be short this time. The one negative
John mentioned about control authority being compromised is true. Adverse
yaw definitely becomes a bummer beyond 25 degrees. My old UltraStar went
all the way to 45 degrees & they were real barn doors! In that
configuration the I got the reverse effect of initial input & had to stand
on the rudder. But then one doesn't normally go to that extreme unless you
were on finial & lined up. I could come down almost vertically with a mild
wind. Kolb limited there movement to much less, maybe 25 degrees? to keep
us out of trouble. I once took off with 45 degree deflection. Only a Kolb
could accomplish that stupid feet! Regarding positive reflex, I found
about 3-5 degrees gave a small increase in speed, but it only worked on the
high end of cruise. I read that if you positively reflexed the flaperons,
the you were effectively cutting out the area of your wing displaced by the
flaperons. Well on the UltraStar that was a significant percent. That gave
me an idea one day when I was stuck up in the air & could punch thru the
vortexes coming off the tree line of this airstrip aptly named Crosswinds. I
was low on fuel, it was extremely blustery & throwing me every which way
quite violently. I was ready to try making Ocala Airport when I decided to
try one more time. I put full six degrees positive reflex into the
flaperons, went to 65mph & popped right through the turbulence. I used that
technique many times since. I don't thinks it is an approved maneuver & I
have several expert guardian angels assigned to me I believe. The bottom
line is that flaperons change the coefficient of lift over the entire wing
unlike flaps, but at the cost of sacrificing some control, and adding to the
pilot workload perhaps more than flaps. If I ever build a wing again, I
will go with huge barn door flaps that can go 45 degrees & the outer third
will be flaperons that are limited to 25 degrees.
My bed is calling. Have fun. ....richard Swiderski
.........Rusty, why not fly up and we can chat about
some of your proposed SS changes.
| (RD) my original SS tests showed
| that the flaperons only decreased stall speed from 2-4 mph, which
just
| doesn't seem like a significant decrease to me.
IIRC the first time I flew the old red Kolb SS at Oshkosh some years
ago, it stalled clean at 40 IAS and about 36 with full flaperons.
That goes right along with Rusty's short test of his SS. I don't know
about the rest of you all, but a 11% decrease in stall speed is
significant to me.
The descent rate increases
| from "brick" to "cinder block", but "brick" is fast enough for my
needs.
I have been flying Kolb aircraft long enough now that power off decent
rate in these airplanes is "normal" to me. I do not see them dropping
like a rock, although someone with little or no experience in a Kolb
would certainly disagree with me.
| I also find the mechanism hard to reach, and use.
I never had a problem with the flaperon controls.
| (RD) As a side note. On my original SS, I tried setting up the
flaperons
| for 10 degrees of reflex. I didn't note any difference in the
cruise speed,
| but it had about a 10 mph impact in the stall speed.
Seems to me that 10 degrees of reflex would change the flaperons from
ailerons to spoilers. That is a significant amount of reflex. Might
have better results experimenting with aerodynamic changes by
approaching them slowly in small increments.
| Rusty (talking myself into removing the flaperon mechanism)
If one goes back through the Kolb Archives one will find a lot of
builders making significant changes to aircraft they have little or no
experience flying. My philosophy is to get some quality experience in
the make and model of aircraft you are building prior to deciding what
you are going to chop up and change.
The SS was a drastic change from the "normal" Kolb model. Not only
was the wing span shortened to 22', but a significant amount of
incidence was removed from the wings in order to get the tail boom of
the SS to fly in a level attitude at cruise speed. However, at slow
speeds near the stall, the tail droops to an uncomfortable attitude,
putting the SS in a nose high attitude. To correct for this, full
flaperons pull the nose down, leveling the SS. This was especially
important when flying in the traffic patterns at Lakeland and Oshkosh
with other airplanes which were flying much slower than the SS.
The reason for the long gear legs and nose high attitude of the SS on
the ground was to improve takeoffs by increasing wing angle of attack.
Flaperons help get the aircraft in a good attitude for a 3 point
landing. During flare, in ground effect with full flaperons, the
flaperons are probably increasing stall by much more than 4 mph. I
find the same thing true with my MKIII during the flare, in ground
effect, with full flaps.
The only down side to flaperons, that I have found over the years, is
a decrease in effectiveness of roll control at extremely slow speeds,
especially in turbulent air, like we find at Lakeland and Oshkosh
during the shows. At those times, it is adviseable to not use
flaperons and increase approach speed. I have found the same thing
true of the Firefly, hitting the flaperons stops several times while
attempting to land at Lakeland. I don't have that problem with the
Mark III with flaps and ailerons.
Hopefully, this email will make some kind of sense. I am still
working on my second cup of coffee, watching the rain drops fall.
john h
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