I hope my speculation is wrong. The way its available channel
partitions is not 20kHz per RF channel. My interpretation to that is a
system which demands a compatible system in safe operation. Question
to ask before committing an order is this. Will it survive a 2nd
and/or third Tx operating at
Since, experimenting with 5C is much easier to proof the direction of the
root cause. I would strongly recommend us to rule out 5C before we commit
to ferrite. Does that make sense?
YK
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Have we forgotten gear box efficiency factor as associate parameter?
YK
- Original Message -
From: Mike Bailey [EMAIL PROTECTED]
To: rcse [EMAIL PROTECTED]
Sent: Tuesday, June 20, 2000 6:34 PM
Subject: Re: [RCSE] speed 480 gearbox
Does some one have motocalc? Could you run a 480 motor
Let me add something to the subject.
Higher supply voltage:
The bridge transistors that pass on battery current to our servo motor will
turn on much harder at higher supply voltage that pass on those would be
loosed energy in heating them back to the benefit of the motor. We have an
electrical
That can be fixed with a 2" jumper cable one side with eye slug and other
with C clip. The C clip has inside diameter much smaller than bottom
section of telescopic, while the eye slug will be pressed contact to the
source at the mounting point inside the housing. Hope that helps. You may
us any
Tom,
I like your story. I will wait and see who cannot tolerate some
distractions like that. When I see one, I will place them at the same side
as the physics professor's side. :-)
YK Chan
p.s. we apply physics often enough in aerodynamics, hardly any
distractions.
RCSE-List facilities provided
Can we take a look at the water surface in that picture? SS trail effect do
show up at the water surface too.
YK
- Original Message -
From: Gordon Cottrill [EMAIL PROTECTED]
To: Ciurpita, Greg [EMAIL PROTECTED]
Cc: 'RCSE' [EMAIL PROTECTED]
Sent: Sunday, June 04, 2000 7:23 PM
Subject: Re:
Is there a fire chief around who enjoy rescue more than just human in
distress?
YK
- Original Message -
From: Pat McCleave [EMAIL PROTECTED]
To: Bill Rose Haymaker [EMAIL PROTECTED]; RCSE [EMAIL PROTECTED]
Sent: Sunday, June 04, 2000 3:06 PM
Subject: Re: [RCSE] Stuck in the tallest tree
Is there any balloon that has pay load twice a glider? Kit it with a
hanging fish hook up there when the wind direction is on the same side of
the tree where the glider is.
YK
- Original Message -
From: [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Sunday, June 04, 2000 4:55 PM
Subject:
Mark,
If you follow my early post close enough, you may find that (0.01 to 1) to
(0.001 to 1) dia to length ratio is the range I would use comfortably. Not
only that too small dia. is bad for band selectivity, it is far too fragile
in this harsh environment. If copper tape is used, width to
It has been a common knowledge for RC fans in UK and Canada that one type
of tape is also good in hinge tape application. It is Waterproof and
durable which is normally applied / supplied in the medical industry. I do
not know the trade name in the US, but it is labeled as "Blenderm" First
Aid
Let me add to that. FCC care for emissions, any emissions that falls within
the FCC bible. That include Rx emissions of a pre-approved radio product.
Any RF Rx product that has one or more oscillators is potentially harmful
until proven safe. Once proven safe, changing Xtals in Rx beyond its
Wire size is always put in relationship to its wave length 0.01:1 is a
comfortable ratio. 0.001:1 may cause a mild concern of bandwidth. That will
generate band selectivity and can cause some channel are more effective
than another across the RC band. Over all wire size variation can cause
much
I presume Tord's phone operates under GSM system. That maximum peak power
in principle is 3X of what is in most cell phone in the US. The legal RC
channel frequency is about half of what is in the US. Those are the two
differences. The best way is to ground range or bench test with the cell
I have attach a URL path to a place call Harborfreight. They carry aluminum
case similar to the Wal-Mart Transmitter case. Costing about 12 to 13
dollars. Check it out and see if it fit your application and budget.
YK Chan
in Seattle
- Original Message -
From: Ben Diss [EMAIL PROTECTED]
I drive by a popular machine tool retail shop call Harbor Freight (Everett,
WA) and saw some cute little Aluminum Case, although I have no idea of how
those in Wal-Mart looks like. These are 10X6X4 (?) price at $12.99. No
sponge for shock proof inside but with soft wall lining. I am not sure it
... your eyes cannot focus close up objects.
- YK
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Last time I did just opposite to that have caused me an alternator part and
labor.
I think the best way is to first isolate the auto system before we apply
auto charger current a the auto battery terminals.
YK Chan
p.s.. I assume the battery and charger in question are auto type but model
type.
I think John got this right. That is the originating reason.
YK
- Original Message -
From: John Ensoll [EMAIL PROTECTED]
To: George Voss [EMAIL PROTECTED]; RCSE [EMAIL PROTECTED]
Sent: Monday, April 10, 2000 5:55 PM
Subject: RE: [RCSE] Why Negative Last
High George,
The reason is
one thing I do not understand is if those boxes are hot cakes, what make it
discontinue so soon?
YK Chan
in Seattle.
- Original Message -
From: Glenn E Eiden [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED]
Sent: Sunday, April 02, 2000
Not silly inputs. You do not understand. Who want to pay for another
(5-cell able) Rx? Do you?
YK Chan
in Seattle
Take the RX and put it in a plane who uses a 4 cell pack.
As for the plane with the 5 cell pack, use another RX who is designed for
a
5 Cell pack. There are many.
Of course this
Besides going down the path for a N x 400mA of linear regulator for the
first 5% from fresh charged and suffer 5.5 to 5.7V for the remaining
discharge cycle, here is an alternative. You know, a fresh charged 5 cell
pack can peak at 7.5V or so. This voltage cannot sustain beyond 5% into
discharge
I second the explanation of sun spot as the cause, simply the
Sun's reaction is indiscriminate to individual.
I often saw loss of control with near by sheet metals, turf farm
hose system and autos in parking lot ... The other popular cause
is intermittent electrical connections at connectors and
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