ECTED] [mailto:[EMAIL PROTECTED]] On
Behalf Of Trent Dowler
Sent: Monday, January 06, 2003 7:14 PM
To: Multiple recipients of sslivesteam
Subject: Re: 360 Servo conversion [was: R/C question]
Harley,
I have the schematic that you suggested. At first it seems simple
enough. But...
On the sche
Hi Trent and list.
The positive line does not go on any further in the water gauge, but in the
designers locos it probably went on to the R/C gear - using the same
batteries for both, - many of his locos are radio controlled. There are
two probes in that version, and the two indicating LEDs -
Harley,
I have the schematic that you suggested. At first it seems simple
enough. But...
On the schematic that I was sent, the "+ve rail" near the top of the
page appears to go off the left edge of the drawing with no indication of
further connections. Should it have stopped at the junct
Subject: Re: 360 Servo conversion [was: R/C question]
What type of sensor?
Mike Eorgoff
- Original Message -
From: "Harley Kelsey" <[EMAIL PROTECTED]>
To: "Multiple recipients of sslivesteam" <[EMAIL PROTECTED]>
Sent: Friday, January 03, 2003 3:51 PM
Subject:
What type of sensor?
Mike Eorgoff
- Original Message -
From: "Harley Kelsey" <[EMAIL PROTECTED]>
To: "Multiple recipients of sslivesteam" <[EMAIL PROTECTED]>
Sent: Friday, January 03, 2003 3:51 PM
Subject: RE: 360 Servo conversion [was: R/C question]
This gentleman has a very neat electronic sensor and will send you a
schematic and parts drawing. Has up to 4 mark points.
[EMAIL PROTECTED]
Harley Kelsey
It just occured to me that there is, possibly, a method of detecting
boiler
water level which is much simpler that sensing it in the glass or
It just occured to me that there is, possibly, a method of detecting boiler
water level which is much simpler that sensing it in the glass or using
probes within the boiler. I'm sure this method must have been used but I've
never done it myself in gauge 1.
This would only work in a boiler with a c
more trouble to add
auto control.
Victor Lacy
--- Original Message -
From: "Alison & Jim Gregg" <[EMAIL PROTECTED]>
To: "Multiple recipients of sslivesteam" <[EMAIL PROTECTED]>
Sent: Wednesday, January 01, 2003 12:55 AM
Subject: Re: 360 Servo conversion [wa
sslivesteam
Subject: Re: 360 Servo conversion [was: R/C question]
This sort of experience happens when the pump is oversize compared to the
boiler's needs. The tipoff is the pump producing "an incredible amount of
water." The output of the pump for most gauge 1 locos needs to be only
iple recipients of sslivesteam" <[EMAIL PROTECTED]>
Sent: Monday, December 30, 2002 4:31 PM
Subject: Re: 360 Servo conversion [was: R/C question]
> The capacitance sensor is subject to the effects of its environment. With
the
> small ammount of water in the glass I would tend to t
ts of sslivesteam" <[EMAIL PROTECTED]>
Sent: Tuesday, December 31, 2002 7:29 PM
Subject: RE: 360 Servo conversion [was: R/C question]
>
>
> Do not try an axle driven pump. I took the Regner off the servo and
mounted
> it into my Accucraft Shay. I connected the pump with an e
Do not try an axle driven pump. I took the Regner off the servo and mounted
it into my Accucraft Shay. I connected the pump with an eccentric mounted on
the crankshaft next to the rear valve eccentric. The pump would pump an
incredible amount of water and worked well when it wasn't connected to t
on in the sight glass, the boiler will go dry.
Victor Lacy
- Original Message -
From: "Rich" <[EMAIL PROTECTED]>
To: "Multiple recipients of sslivesteam" <[EMAIL PROTECTED]>
Sent: Monday, December 30, 2002 4:31 PM
Subject: Re: 360 Servo conversion [was: R/C qu
These sight glasses for water levels, are they a large enough diameter to
hold a small bead or such that might be read by an opticle sensor? I am new
to most of this stuff but hey, just a thought... Dan McGrath
_
Add photos to
The capacitance sensor is subject to the effects of its environment. With the
small ammount of water in the glass I would tend to think that the false
trigger rate would be a real problem. The infrared optical sensor is the best
bet for reliability. Conductivity probes in the boiler work well
The capacitive sensor I speak of is a proximity sensor that is supposed to
be good for a variety of materials. They are adjustable so you'd set it
for water in the glass then ensure it changed states when the water went
away. I'm now thinking that there may not be enough water mass in a small
sig
I might be able to offer advice... What'cha got cookin'? {:]
Trot, the semi-audiophilic, fox...
On Sun, 29 Dec 2002, Dave Cole wrote:
> all hands:
>
> since it's clear that there are lots of people with useful physics
> and engineering info on this list, i pose this question:
>
> is there some
I would suggest that the question be posted to the list and then request that
specific technical details be sent to you off list. This will give wider
exposure to the question. There is the possibility that the solution to the
problem is known by another list member and they can point you in t
all hands:
since it's clear that there are lots of people with useful physics
and engineering info on this list, i pose this question:
is there somebody out there who would like to help me with an
electronics/audio problem **for my live steam layout** (to keep on
topic here)? If so, please con
The trick to get the photocell to detect water is to realise that a liquid
(water) filled column has a different refractive index as compared to the steam
filled glass tube. You have to position the cells at an acute angle to the
veridical axis of the sight glass. As a demonstration place a pe
Hello All,
If it is- or ever was- of interest to anyone, I found the item below on
eBay. It is only the electronics from one of the paintball marker hoppers that
was being discussed earlier as a possible donor for boiler feed pump use.
The servo is not shown or being auctioned, but it gi
If you're going to go to that amount of trouble you may as well just use a
capacitive sensor to detect the actual liquid in the glass. I suspect you
could also detect the liquid level optically by depending on the
refraction difference of the water though.
Trot, the semi-versed, fox...
On Tue, 1
Hi Trent,
Sounds good.
If you want to go this route. I have seen gas flow meters which
comprise a "floating ball" in a glass tube, which rises or falls according
to flow pressure etc. This would seem an ideal method of activating the
paint ball electronics "eyeball" sensor to activate the
Hello All,
This is not off subject, although it may seem so initially.
Within the paintball sport community, there are several manufacturers of
electronic hoppers- or devices that feed the paintballs to the paintball marker
(gun). The electronics of the hopper is nothing more than a serv
Hi Tony,
Very interesting site, of which I was not previously aware. So I had
already gone a slightly different route, and made up my own drive system
from regular R/C car parts. But good for future needs.
Thanks,
Tony D.
At 09:17 PM 12/5/02 +, Tony wrote:
Hello listers.
I thought I ha
Hello listers.
I thought I had sent this yesterday but I did not see it appear in my
E mail.
Try
http://www.servocity.com/ServoCity/Products/Sprockets__Gears__Chain/sprockets__gears__chain.html
for ideas on gearing up servos to get greater throw.
Remember of course that as you increase the throw
isk.
Ken Vogel
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
> Behalf Of James Curry
> Sent: Thursday, December 05, 2002 6:42 AM
> To: Multiple recipients of sslivesteam
> Subject: Re: R/C question
>
>
> >Most servos have stop
isk.
Ken Vogel
> -Original Message-
> From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On
> Behalf Of James Curry
> Sent: Thursday, December 05, 2002 6:42 AM
> To: Multiple recipients of sslivesteam
> Subject: Re: R/C question
>
>
> >Most servos have stop
>Most servos have stops molded into
the case (upper) these can be removed and the servo will travel 360
degrees.<
At Diamondhead I've seen tender mounted water pumps with a servo operating
360 deg. to drive the pump. Now I know how they did it. I'll have to look
at one of mine. When I operate m
Hi Ferdinand,
I also liked Robbe products when in the UK. But they are non existant
in Central California. Have not seen anything at all from them here.
Tony D.
At 08:54 PM 12/4/02 -0500, FBM Studios wrote:
Hi
On servo choices there are many. Most servos have stops molded into
the case (uppe
Hi
On servo choices there are many. Most servos have stops molded into
the case (upper) these can be removed and the servo will travel 360
degrees.
Sailing servos are designed in this manner without the stops thus they
can operate a winch.
I use the radio to control the actual amount of servo tra
Hello listers.
Try
http://www.servocity.com/ServoCity/Products/Sprockets__Gears__Chain/sprockets__gears__chain.html
for ideas on gearing up servos to get greater throw.
Remember of course that as you increase the throw you also decrease
the thrust of the servo.
Best wishes,
Tony Walsham.
Remo
Hi Mike,
Sounds as if you are looking to increase effective control from the
limited servo movement?.
I have an assortment of various servo,s, and have used both the
following servo,s for steam engine R/C. For direct or indirect push pull,
or rotary controls.
Futaba S3102 Metal Geared @
ls. Check out the R/C car
mags, you will see offers there.
From: [EMAIL PROTECTED]
Reply-To: [EMAIL PROTECTED]
To: Multiple recipients of sslivesteam <[EMAIL PROTECTED]>
Subject: Re: R/C question
Date: Wed, 4 Dec 2002 09:37:04 EST
I saw the commercial last night for those little tiny R
Tony
I hope that this is not a repeat as my first message
"dropped" before completed. Can you provide the make
and model of the servo that provides 180 degree
rotation? Every servo I have seen has a much smaller
throw and I need the extra movement to operate the
throttle on both my O'Connor modif
On 4/12/02 14:37, "[EMAIL PROTECTED]" <[EMAIL PROTECTED]> wrote:
> I saw the commercial last night for those little tiny R/C cars that Radio
> Shack is now selling. Has anybody torn into one of those for a look at
> useable servos and parts? I heard that they were only $20.
> Bob
>
These are 1
circuit to
attenuate the output signal. I have not looked closer at the circuit to see
whether the RF tuning is adjustable and can easily be peaked.
Steve
-Original Message-
From: Shyvers, Steve
Sent: Wednesday, December 04, 2002 6:52 AM
To: '[EMAIL PROTECTED]'
Subject: RE: R/C ques
of sslivesteam
Subject: Re: R/C question
I saw the commercial last night for those little tiny R/C cars that Radio
Shack is now selling. Has anybody torn into one of those for a look at
useable servos and parts? I heard that they were only $20.
Bob
I saw the commercial last night for those little tiny R/C cars that Radio
Shack is now selling. Has anybody torn into one of those for a look at
useable servos and parts? I heard that they were only $20.
Bob
Have you fellows considered using a secondary 90 degree bellcrank to
transfer horizontal push-pull motion into vertical push-pull to control the
various valve controls? I am not familar with the layout of the engine
being discussed, just a thought. Also, as I remember some of the R/C units I
Hi Walt,
Agree R/Cing engines needs "customized" design detailing, per engine
type. Some easy, some a challenge. Especially the larger but smaller scale
engines (1/32) with little excess cab room.
I was originally replying in broad terms back to Geoff regarding
R/Controlling the throttle
Walt;
Good post. I never thought of using telescoping square tubing. Great idea.
Plenty stiff and yet flexible going around curves. Have to try this .
Phil
> Hi,
> Some thoughts and observations on R/C for alcoholicser alky fired
loco's!
> The Aster Mikado is easy to R/C. I made a little fit
Hi,
Some thoughts and observations on R/C for alcoholicser alky fired loco's!
The Aster Mikado is easy to R/C. I made a little fitting to go over the
existing handle
and connected via turnbuckle to the servo mounted with a strip of blackened
copper to the cab floor
I have found I rarely need
t;[EMAIL PROTECTED]>
Sent: Tuesday, November 26, 2002 12:39 PM
Subject: R/C question
> My target loco is an Aster Alison shay.
> Scale is listed as 1:25 or 1:23 depending on who is listing the scale.
> Gary - selling my sparkies in Eugene, Oregon
> http://www.angelfire.com/or/trainguy
Hi Geoff,
This was the direction I was heading for R/Cing my U1 232.i.e. open
one, close the other, with one servo. Simple, once you have defined the
servo rod lengths and positions on servo driver arm. Originally I tried
driving these from the tender with R/C car universal joints. OK when
My target loco is an Aster Alison shay.
Scale is listed as 1:25 or 1:23 depending on who is listing the scale.
Gary - selling my sparkies in Eugene, Oregon
http://www.angelfire.com/or/trainguy
http://community.webshots.com/user/raltzenthor
Barry Harper of Diamondhead fame R.Cs his alky locos--no
> Barry Harper of Diamondhead fame R.Cs his alky locos--no problem. I forget
> how he controls the blower--but one servo could open the blower and close
> the regulator and vice versa.--this may be what he does. Those 1/32 cabs
> are small.
Further to which I now design my alcohol fired boilers w
Barry Harper of Diamondhead fame R.Cs his alky locos--no problem. I forget
how he controls the blower--but one servo could open the blower and close
the regulator and vice versa.--this may be what he does. Those 1/32 cabs
are small.
Geoff.
--Gary - chilling in Eugene, Oregon
>http://www.angel
Same as a gas burner, they just don't have that blasted howling.
Steve Ciambrone
> -Original Message-
> From: Gary [SMTP:[EMAIL PROTECTED]]
> Sent: Tuesday, November 26, 2002 10:55 AM
> To: Multiple recipients of sslivesteam
> Subject: R/C question
>
>
Gary - chilling in Eugene, Oregon
http://www.angelfire.com/or/trainguy
http://community.webshots.com/user/raltzenthorWhy do so many say it is
impossible to R/C an alcohol fired loco?
My logic says if a servo is available for throttle, blower, and reversing
lever then the loco should be R/C controll
50 matches
Mail list logo
