...the bend in the aileron shaft can be cut to 32 degrees. This
results in a
: mechanical advantage that doubles the effective torque and resolution of
: the servo.
My previous mail was trying to point out that servo overloading with
aileron input at high speed is a perceived problem
Aileron force:
The moment force analysis I have seen so far are unrealistic, as it is
static based. Static based refers to wind tunnel condition at which wing is
not flying (to be exact not in a dynamic condition banking at a certain
rate at a given aileron input). A static analysis will produce
If music wire is made of 1060, its carbon content is relative high.
According to the following data, 1060 has Rockwell hardness of 32. Low
carbon steel are rated in the order of 1012, to 1018. To harden 1060 steel,
see the following temperature ratings. (Note after quench, it is necessary
to bake
Harley, you are welcome. -YK
- Original Message -
From: Harley Michaelis [EMAIL PROTECTED]
To: YK Chan [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Saturday, June 02, 2001 8:00 PM
Subject: Re: [RCSE] RDS on Slopers?
: YK. . .thanks for your contributions of today and yesterday
RDS belongs to the family of Limited Displacement Universal Joint, and I
call it a sine coupler after its transfer function, sine. RDS is
developed by my friend, Harley.
The operating principle assumes an ideal torsion rod with an ideal bend
point that lies along the hinge line (Ideal torsion
When our RC plane gets air borne(in flight or even lay on table), the stock
wire antenna will become 50% of the antenna of a dipole antenna model. The
remaining part of antenna is the remainding wires such as servo cables and
their extension if applicable. Once this is accepted as the antenna, we
Yes with careful plan.
Don'ts:
-connect direct with or without fuse in series.
-relay the charge through the chassis.
Do's:
-with a series resistor or equivalent(12V15A bulb) to batt+ve cable.
-with batt+ve and -ve cables to relay the charge.(add safety margin from
spark)
--hope that
This list goes on
-nail paint,
-paint remover,
-lip stick, (lube)
-hair twitter...
- Original Message -
From: Greg Nuspel [EMAIL PROTECTED]
To: RCSE [EMAIL PROTECTED]
Sent: Friday, April 13, 2001 4:47 AM
Subject: [RCSE] Hair spray is sailplane related
: One of the neatest hints I
Spelling correction.
Yeah,
It can also help to knock down those captured planes up the tree too. :-)
YK
- Original Message -
From: YK Chan [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Wednesday, April 11, 2001 9:21 AM
Subject: Re: [RCSE] More Tennis Ball Cannons
: Yeah,
: I can also
ssive counter nose weight reason.
YK Chan
- Original Message -
From: D Hauch/ D Unruh [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, January 08, 2001 10:37 PM
Subject: [RCSE] antenna/carbon boom ?
I know this has been discussed before but I've never owned
one
and didn't pa
The range equation composed of the following.
0) Range
1) Tx output conducted power
2) Rx input conducted power
3) Tx antenna gain
4) Rx antenna gain
5) operating frequency
Tx power is much easier to appreciate for significance
regarding range perception. However, Rx sensitivity
is another
Jim,
I know exactly what you mean. Do you think it priced exactly
unpopular. g
YK
- Original Message -
From: James V. Bacus [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Thursday, January 04, 2001 11:11 AM
Subject: Re: [RCSE] Altimeters
At 01:59 AM 1/4/2001, YK Chan wrote:
Actually
coarse and have fun. One thing might help to
isolate him from the soft-stick syndrome for the real-stick
for good is to go keyboard maneuver with FS. He can learn
all else at equal value from a FS. Just trying to make us
think, by no mean to contradict.
YK Chan
So far I,m disappointed with the lack
noon weather. (missing hot air
bubbles as one distinct feature of the FU).
YK Chan
--- In [EMAIL PROTECTED], "YK Chan" [EMAIL PROTECTED]
wrote:
I do miss the Flight Unlimited, particularly the glider
model and its math-model which is physics driven than
those
of entertainm
game port but USB port. So I turn to FS2000 and I did not
like it at the first impression, un-realistic.
YK Chan
Seattle
- Original Message -
From: John Derstine [EMAIL PROTECTED]
To: Bill Johns [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Friday, December 22, 2000 3:35 AM
Subject: RE: [RCSE
A safe way is to use NO single-conversion (IF2=455kHz) at ch-56 and higher, or
use dual-conversion. In particular to crowded slope sites.
YK Chan
- Original Message -
From: Tom Watson [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED
plan cycle
at a close and not too close proximity (plus throttle
up/down cycle) and observe Rx response.
Let me know what did you find.
YK Chan
in Seattle area
- Original Message -
From: DJ Buell [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Wednesday, November 29, 2000 10:20 AM
Su
For those who would like to visualizing the idea on a subject drawing,
please reply this mail.
YK Chan
Seattle
- Original Message -
From: YK Chan [EMAIL PROTECTED]
To: Ed Berris [EMAIL PROTECTED]
Cc: RCSE [EMAIL PROTECTED]
Sent: Thursday, October 26, 2000 1:03 AM
Subject: Re: [RCSE
surfaces, if desired, can be
thermally insulated with mica films.
Oh, one thing worth mentioning, one turn helical loop(?) is
structurally stronger than a plane loop at some what proportional to
helical pitch size, in regard to this application.
YK Chan
- Original Message -
From: FRED SAGE
if it really effective? Consider
winners and losers among all parties, including, consumer, inventor
and manufacturer, and how each party view what they might have
gain/loose. Open our mind (very wide) for a moment and have some fun
speculation. Let us know were you have arrived at.
YK Chan
Seattle
be nearly equal to the diameter of the wire. Have no intention to take
any credit from the originator, Chris?.
YK Chan
Seattle
- Original Message -
From: Scrollsander [EMAIL PROTECTED]
To: Soaring at Airage [EMAIL PROTECTED]; John and Sandra
[EMAIL PROTECTED]
Sent: Tuesday, October 24, 2000
strands
inside the wire antenna.
Did we check all connectors/wire junctions?
Unmatched dots is the last on the list to point my finger to.
Hope that helps.
YK Chan
Seattle
RCSE-List facilities provided by Model Airplane News. Send "subscribe" and
"unsubscribe" requests to [EMAIL PROTECTED]
I chose rechargeable not by cost reason but by environment reason.
YK
RCSE-List facilities provided by Model Airplane News. Send "subscribe" and
"unsubscribe" requests to [EMAIL PROTECTED]
If your equipment operates at 72MHz, the most popular length is 39" to
41", wire diameter is not critical from 0.01" or more. Hope that
helps.
YK Chan
Seattle
- Original Message -
From: Fernando Magnetti [EMAIL PROTECTED]
To: RCSE [EMAIL PROTECTED]
Sent: Tuesday, October
on replacing siren go off. Without TX signal, most rx will once in a
while glitch and hold off center in random directions, bundling loop
rx antenna wire can reduce its effective length that can reduce the
glitching effect, but Tx antenna must extend. try an error for best
result)
YK Chan
Seattle
RCSE-List
AL
Stock antenna for 72MHz system used to be 39 to 40 from the housing.
It is better to run a new wire than making up the required length.
YK Chan
Seattle
- Original Message -
From: bagladyal: First bagladyal:Last [EMAIL PROTECTED]
Hi All
What is the length for a AM antenna? I cut
a parachute. How reliable is parachute on a solid boost
rocket? on a fighter pilot? on a rudder?
Pneumatic ruddering? Forced air vent on both side near leading edge of
V-fin.
Leading edge ruddering?
Ruddering spoiler?
Let me see your constructive thoughts. :-).
YK Chan
RCSE-List facilities provided
It would be more useful (if not useless) integrated with a digital
elevation sensor and a uP to work out the Trigo for exact altitude,
without having to stay vertical under the target.
YK Chan
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, September 18
I have used copper tape to the outer panel and wrap around down the
cross section area of the junction to the center piece. A position
matching second wrap will begin at the opposite cross section area to
the center panel, the tape will end short to the fuselage, or if you
will, run all the way
Most 120 ac application are roofed or indoors. Rain and weather are
better served with low enough voltages, such as an engine starter
battery.
If out door 120 ac are made safe enough, the power we need is about 1
to 2 hp. Unlike general purpose motor run on DC (e.g. starter motor),
ac induction
construct (not in electrical
contact to the conductor) in the core will not induce/carry RF current and
therefore do not dissipate energy. A conductive coat on a CF composite wing
surface can "hide" the RF hungry carbon composite under the skin current.
YK Chan
Seattle
From: Bill Jo
). For balsa skin, I have tried (bamboo) tooth picks
pointed ends. It is sharp and strong enough to penetrate the whole pannel
(not at spar and rod section). I finish it with CA glue at the skin and
stick junction. Hope that helps.
YK Chan
Seattle
From: Doug Reel [EMAIL PROTECTED]
Organizatio
Imagine one plane got shot down do to a local co-channel Tx. Do you
know who may be to top suspect? Would that be those who have Tx with
synthesized channel?
YK
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There is a technical challenge remains, although is not affecting
gliders, is that the frequency generation part in subject technology
can be vibration sensitive. The degree of sensitivity vary quite a bit
between different implementation.
RCSE-List facilities provided by Model Airplane News.
centrifugal force (16Gs?) adds to wing loading will come
out as added induced drag and therefore deceleration, is it explicitly
stated in the report?
If we conceive that over shoulder acceleration is the only style,
consider the disc style.
YK Chan
Seattle
RCSE-List facilities provided by Model Airplane
TX tuning will be made by FCC certified operators only.
If Joe can tell his problem is related to radio tower, then why tuning
the RC equipment can be a solution?
My recommendation is to drive to a place free from radio towers or any
suspicious towers or emitters, and make a "reference" ground
If I may allow to follow the hypothetical convention...
I think the most important thing is to launch into 1st place.
;-)
YK
- Original Message -
From: Michael Neverdosky [EMAIL PROTECTED]
To: RCSE [EMAIL PROTECTED]
Sent: Friday, August 11, 2000 5:08 AM
Subject: Re: [RCSE] How should an
Does it make any difference to the relative mass of the projectile we
are about to hand launch? relative is to our body mass. I am think
about the difference between wearing a tennis shoes and a roller
skate. It would be nice to pick up 5 to 10mph on a roller skate and
get it launch than running
Here is my shot. There may be two kinds state in a post CG launch
here.
Passive balance and active balance. Simply put, balancing on my
bicycle is an active balance act. While on my bike, some one knock me
off at the head, the rest is passive balance. :-) We may be thinking
of post CG launch as
: Saturday, August 05, 2000 7:37 AM
Subject: [RCSE] Rubber Duck antenna range
I have seen the submission by YK Chan, and agree with the idea. I
have
done essentially the same thing with all new installations (first a
Vision, then a Stylus). What I did involved a friend who stayed
with
the plane
ange check is similar (but identical) to an in flight % range
reduction. Remember your link limitation and go fly with fun.
YK Chan
Seattle
- Original Message -
From: Bill Harris [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Saturday, August 05, 2000 1:18 PM
Subject: [RCSE] Base-loaded antenna r
tance. Repeat the same with the next
candidate antenna.
That is a ground range test modified into antenna comparison test.
YK Chan
Seattle
- Original Message -
From: Karlton Spindle [EMAIL PROTECTED]
To: [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Monday, July 31, 2000 3:50 PM
Subject: Re:
12)ch, +/-(22 to 23)ch, or any two 20kHz spacing channels A
and B that satisfy N=(2A-B) or (2B-A). The two test TX will be the
same model is require for consistent result.
YK Chan
Seattle.
- Original Message -
From: Michael Neverdosky [EMAIL PROTECTED]
To: RCSE [EMAIL PROTECTED]
Sent:
Ignore this test message;
RCSE-List facilities provided by Model Airplane News. Send "subscribe" and
"unsubscribe" requests to [EMAIL PROTECTED]
most range test I had was more than 50 feet to the
convension Rx.
-YK
- Original Message -
From: Jason Werner [EMAIL PROTECTED]
To: YK Chan [EMAIL PROTECTED]; [EMAIL PROTECTED];
[EMAIL PROTECTED]; [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]
Sent: Wednesday, July 19, 2000 8:30 AM
Subject: Re:
interfering source kind of performance.
That leads to Two Tx ground range test. This reminds of what YK
introduced special ground range test that involve two or more Tx. More
comment on that upon request.
YK Chan
Seattle
- Original Message -
From: Karlton Spindle [EMAIL PROTECTED]
To: [EMAIL
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