SEN 749 - 22 Oct 2002
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SCAT Electronic News 22 October 2002 issue 749
Table of Contents
=================
AmCup of 2002 USFFC - Parker
Vilim Kmoch - Dilly
2002 nostalgia annual tabulated - Thorkidsen
A Legend passed away - Omrcen
Improvements aren't always - Parker
The Stealth Coupe - Jankhe
AmCup of 2002 USFFC
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Due to the cancellation of the Nevada contest, the USFFC has been granted
AmCup sanction for 2002. Following are the contest details from the
Kellers, USFFC CDs.
Thermals, JIM
32nd Annual United States Free Flight Championships
FAI RULES America's Cup Contest
Saturday Nov 9th 2002 F1-A, F1-B & F1-C
Begin @ 7:00am All events will be flown in 1 hour rounds
F1-A First flight 240 seconds
F1-B & F1-C First flight 300 seconds
Rounds 2 thru 7 are 180 seconds
SUPER MAX FLIGHT WILL APPLY
F1-A, F1-B & F1-C Fly-Off Schedule
Fly-Off ROUND 1 (5 Minute Max)
F1-A 2:30pm 2:40pm
F1-B 2:50pm 3:00pm
F1-C 3:10pm 3:20pm
Fly-Off ROUND 2 (7 Minute Max)
F1-A 3:30pm 3:40pm
F1-B 3:50pm 4:00pm
F1-C 4:10pm 4:20pm
Fly-Off ROUND 3 Sunday AM (10 Minute Max) Beginning at 7:00am
F1-A 7:00am - 7:10am
F1-B 7:15am - 7:25am
F1-C 7:30am - 7:40am
Sunday Nov 10th 2002 - F1-G, F1-H & F1-J
Begin @ 8:00am - All events will be flown in five 1 hour rounds (2 M=
in Max)
F1-H, F1-G & F1-J Fly-Off Schedule
Fly-Off ROUND 1 - (3 Minute Max)
F1-H 1:10pm - 1:20pm
F1-G 1:30pm - 1:40pm
F1-J 1:50pm - 2:00pm
Fly-Off ROUND 2 - (4 Minute Max)
F1-H 2:10pm - 2:20pm
F1-G 2:30pm - 2:40pm
F1-J 2:50pm - 3:00pm
Fly-Off ROUND 3 - (5 Minute Max)
F1-H 3:10pm - 3:20pm
F1-G 3:30pm - 3:40pm
F1-J 3:50pm - 4:00pm
Fly-Off ROUND 4 - Will be Monday November 11th 2002 @ 6:30am - 10 Minute Max
Round time and duration may be changed at the Contest Directors discretion
Vilim Kmoch
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VILIM KMOCH
I am sure that many people in free flight will be much sadenned to hear of
the death on Oct.18th of Vilim Kmoch, many times a member of the Yugoslav
team at World Championships and a good friend to many of us. I'm sure his
very many friends in model flying from all over the world will join me in
expressing their great regrets both to the Croatian Aeronautucal Federation
and to his family.
Vilim's friendship across several political so-called 'divides' embodied
the very best in international contest flying, and I am proud to have known
him as a friend since first meeting him at the World Free-Flight
Championships in Leutkirch in the mid-1960s. I last saw him at the 2001
CIAM meeting in Lausanne, where he attended the F/F technical meeting
though having only recently recovered from a very nasty car accident. His
wide knowledge of aeronautical matters will, I know, be greatly missed
outside his own country as well as within Croatia. We need more Vilim
Kmochs and fewer of the sort of people who brought such tragedy to his part
of the world in the past decade.
2002 nostalgia annual tabulated
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2002 San Valeer's Nostalgia Annual Results
1/2A Nostalgia Gas (12) B Nostalgia Gas (6)
1 M. ThompsonHotHd HH.049 720 1 Bruce Augustu750 Ramrod OSIII 829
2 Randy SecorH. Hot Shot fox.0 709 2 Jim Hurst Ramrod OSIII .29 829
3 B. DeShieldFrisco Kidde HH.0 540 3 T. Ellington Texan Fox .201 688
4 Matt Kruse Fortastrop killer 503 4 T. ThorkildseTopBanana OS III 540
5 T. EllingtoCrusader Med .049 465 5 Lynn Pulley StarDust OSIII .2 457
6 R. DeShieldRamrod HH.049 446 6 M. Thompson Ramrod 750 Torp . 286
7 Tom Carmen Spacer HH.049 421
8 Ken Kaiser Spacer Med .049 314 Nostalgia Rubber/wakefield (2)
9 Cody Secor T-Bird Cox .02 281 1 Bob White TorontonianWakeie 1385
10Tom Laird T-Bird Med .049 230 2 Hal Cover 1950WakefieldWinn 750
11Wes Funk Hot Head Med.049 131
12Lynn PulleyGeef Killer Bee . 108
C Nostalgia Gas (8)
1 Lynn PulleyStardust Max III 995 1/4A Nostalgia (6)
2 Jim Hurst Ramrod Max III .3 536 1 Mike ThompsonHotHead TD .020 540
3 B. DeShieldFrisco Kidde J35C 521 2 Bob Stalick Y Bar TD .020 498
4 M. ThompsonRamrod 750 J.35CS 482 3 Del Adam Zeek TD .020 471
5 Bob StalickUpstart K&B.32 479 4 Bob DeShieldsFrisco Kidde TD.0 461
6 T. ThorkildT.Banana Johnson. 474 5 Wes Funk T-Bird TD .020 373
7 Fred EmmertDreamWeaver J.35C 348 6 Cody Secor T-Bird TD .020 363
8 Curt StevenSpacer K&B .35 347
A Nostalgia Gas (9) 1/2A Early Bird(5)
1 Tom Carman Texan480 KB.19 720 1 Del Adams Fubar Wasp .049 673
2 Randy SecorH. Hot shot Max . 698 2 Bob Stalick Zeek OK Cub .049 468
3 Lynn PulleyLuckyLindy Veco . 624 3 Wes Funk Zeek OK Cub .049 426
4 Bob StalickY Bar CoxOlympic 540 4 T. Ellington Ramrod Wasp.049 341
5 B. DeShieldZero H.Hornet .05 531 5 Tom Laird Zeebin Wasp.049 309
6 M. ThompsonRamRod425 OSIII . 506
7 T. EllingtoCrusader O.S.Pet 445 Nostalgia Glider (4)
8 R. DeShieldRamrod H. Hornet. 395 1 B. Deshields Ghost 674
9 Ken Kaiser Texan Fox .19 341 2 M. Thompson YeeTeeHoo 615
3 M. Keller Ghost 595
Nostalgia Cabin (4) 4 Tom Carmen Jetco glider 313
1 Tom Laird Zeebin Wasp .049 443
2 Hal Cover Crowbar Arden .19 401 One Design 1/2A T-Bird (4)
3 B. DeShieldZenith Atwood .04 383 1 B. DeShields T-Bird Med .049 540
4 Bob StalickAy Jay O.K. Cub . 206 2 Fred Emmert T-Bird HH .049 465
3 Tasha Duncan T-Bird Med .049 177
Lil' Dip, Ghost, Jetstream One Desi 4 Tom Laird T-Bird Med .049 161
1 Matt Kruse Jetstream 679
2 Bob StalickJetstream 182
3 Mike KellerGhost 59
Saturday Dawn Patrol (best 2 flights,13sec motor) Sunday Dawn Patrol
Large Gas (4) Large Gas (4)
1 Lynn PulleyStardust Max III 721 1 T. ThorkildseT.Banana MaxIII . 690
2 T. ThorkildRamrod 465 MaxII 644 2 M. Thompson Ramrod 750 J.35CS 499
3 M. ThompsonRamrod 750 J.35CS 595 3 T. Ellington Texan 520 Fox .20 209
4 Ken Kaiser Texan Fox .19 136 4 K.Kaiser
Small Gas (5) Small Gas (2)
1 B. DeShieldDA Box Fox .049 570 1 B. DeShields Frisco Kidde HH.0 577
2 Randy SecorH. Hotshot Fox.04 558 2 R. DeShields Ramrod HH.049 432
3 R.DeShieldsRamrod HH.049 489
4 M. ThompsonHot HeadHH.049 410
5 K. Kaiser Spacer Fox .049 169
Sweeps
1 M. Thompson 16.5
2 B. DeShield 16
3 Lynn Pulley 14
4 Bob Stalick 13
5 Tom Carmen 8
6 JimHurst 7
7 Randy Secor 7
8 Del Adam 3
9 T.Thorkilds 3
10T. Ellingto 2
11Fred Emmert 2
12R.DeShields 1
13Wes Funk 1
14Curt Steven 1
15M. Keller 1
A Legend passed away
====================
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Last night,saturday the 18`th one of the legends of world aeromodelling
Vilim Kmoch has left us at the age of 71.
He was the biggest name ever in history of the Croatian aeromodelling.
Older modellers will remember him as one of the pioneers in the
aeromodelling,
and also as one of the world top F1Band F1D flyers in the 70`ies.
Younger modellers (me included) especially in Croatia looked up to him as an
icon,
and living example that that great competitor in a man, does not exclude a
noble spirit.
Right until the end he was active in aeromodelling ,embracing any new
technology with a joy of a kid.
A charmer ,a joker ,a storyteller,and always a gentleman on as well as
outside a field.
He went proudly riding into a sunset....
Farewell my mentor and my friend
Your Mario
Improvements aren't always
==========================
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Roger, for SEN
I preparation for the JR WC and the Finals in Florida, I converted the
mechanical micro switches on my electronic bunters to magnetic reed switches.
All seemed well-- others have been using them for some time. Just before we
left for the Jr WC, I had a strange flight on my new Standard M&K long model.
I use many M&K components including their basic hook but the bunt system is
mine. I was just starting the run up, towline at 45 degrees to the ground,
the model came off the line, did some aerobatics and just missed pulling out
by a foot--- ie it hit the ground in a hard skid. The damage was minor. I
attributed this to bad tow / launch technique.
We packed and off to Europe we went, In practice, I let Dallas fly my Extra
Long Model (with the same switch set-up) in the field in front of the motel
Tanya in Hungary. Twice he had the similar exciting launch but fortunately
the model missed the ground both times. We put the model away. Dallas flew
his mechanical M&K long models and his electronic Wishbone (that still had
the mechanical switches) at the Jr. WC.
Back in the states, I had another "strange" flight with my Long M&K model.
Now it's starting to register. I had apprehension but this model was flying
well. In Florida, all was well unit it did it again, suffering minor damage.
Repaired, We flew it again that evening-- all going well. The next morning,
the last practice day, the model was going good until it did it again, this
time snapping the boom. I put the model away and "borrowed" Dallas' long
model for the finals.
Interestingly enough, the model that I broke the wing on in the last flight
at the Finals had the same set-up. It did not display this problem. As a
side note, the broken wing seems to be due to an air bubble that formed at
the end of the wire during the spar fabrication. Eugene V. is returning the
wind to M&K for their analysis. Of the hundreds of quality wings they have
provided, would you know that a "Factory Rep" would get the one bad one?
Practice evening before the Sierra Cup was gorgeous! Stephan Rupp, Van Nest,
Cowley, Brun, Zink etc were putting in calm air flights. I was flying my M&
K extra long model and getting some very good bunts off. Pierre, flying his
Extra Long model, and I decided to fly together-- he went first. I quickly
accelerated and the line went limp-- it happened again! This does not
explain DTing early the next morning on the 1st round. Oh well!
On the drive back, I finally connected the dots of all these strange
launches. It was time to investigate!
After some experiments, I was able to see a false switch opening on my ohm
meter. I got with Ken Bauer who was able to clearly see these occasional
false switch opening on an oscilloscope. The false openings lasts only 1-4
milli-seconds. We determined this was caused by the shock of the hook keeper
hitting the hook body.
I have experimented with a lighter force latch spring and a rubber cushion to
reduce the shock. I have not tested this with Ken's oscilloscope but a false
open reading on my ohm meter indicates that the mechanical modifications will
not work.
Ken has modified the Basic Stamp program I use by simply putting a 50
milli-second pause after the latch hook switch is "armed." This will allow
the front switch time to "normalize" in the closed position when the hook is
still forward before towline release. Hopefully this will do the trick.
I'm interested if anyone else has learned this lesson. I suspect that the
Stamov hook may not have this problem because the wire latch has much less
mass and so does not impart as large a shock into the hook / switches.
Thermals, Jim Parker
[Jim
In the both Black and Red Magic Timers the hook switches
are 'debounced' in the timer firmware. There is a parameter
that the user can set depending on his choice of switch and
personal preference. Both reed and mechanical [aka micro switches]
can be noisy, making and breaking actual contact several times
for a real contact. I have not done any tests to see if a Hall effect
device gives a cleaner contact. Certainly one would not problems
caused by switch blades vibrating but there could be an issue
with how the actuating magnet moved. ]
The Stealth Coupe
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Roger,
This is directed to Ralph Cooney:
In the May-June or August 2002 NFFS Digest Ralph is shown with an F1G having
a 3-element wing. I fly an F1G which seems similar and would like to
compare the designs.
In general I am interested in current feelings about Schuman tips for
F1B and F1G.
Ross Jahnke
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...............................
Roger Morrell
