[NSRCA-discussion] Looking for a Proline Tx with Chidgey sticks
John Pavlick
jpavlick at idseng.com
Tue Mar 14 19:58:19 AKST 2006
Ron,
Well at risk of dating myself (and I'm not very old) I remember when the
"new" Futaba 7FG-K came out. It had DUAL RATES - Wow! I had to have one.
Actually I still have it. I had it narrow-banded and it's still a nice solid
radio even though it's AM. Funny how we don't flip switches anymore, but
back then it was "high tech". Actually, I think Ed has something really cool
in mind. Stay tuned...
John Pavlick
http://www.idseng.com
-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Ron Van Putte
Sent: Tuesday, March 14, 2006 10:05 PM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] Looking for a Proline Tx with Chidgey
sticks
On Mar 14, 2006, at 8:55 PM, John Pavlick wrote:
These guys are out of control. Well, at least I know Ed is and I suspect
that Gordon is too although I have not met him personally. Don't try this at
home... OK, if you must know, they're building transmitters with custom
encoder modules. Basically a "computer" transmitter built out of the old
(high-quality - not cheap plastic) guts combined with a micro-controller
based encoder. Lots of fun!!! I guess I have to build one now too. Check out
Gordon's site - lots of cool stuff: www.mstar2k.com .
I don't want to start up another maudlin nostalgia thread, but I remember
when Jim Oddino published the technique for installing dual rates in a
transmitters in his R/C Modeler column. Yes, kiddies, there were times when
even the top-of-the-line transmitters didn't have dual rate switches. I'm
no electronic genius, but I bought the parts and did the installation of
dual rate elevator and aileron switches in a Kraft KP-7Z transmitter. They
worked great and I can still remember the amazed eyes of my club members
when I demonstrated how they worked.
Ron Van Putte
-----Original Message-----
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org]On Behalf Of Emory
Schroeter
Sent: Tuesday, March 14, 2006 9:41 PM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] Looking for a Proline Tx with Chidgey
sticks
Alright. My interest is peaked, but I have no clue what you guys are
doing to these Proline transmitters. For those of us that may be
electronically challenged, what modifications are you floks making???
Thanks, Emory
----- Original Message -----
From: Gordon Anderson
To: 'NSRCA Mailing List'
Sent: Tuesday, March 14, 2006 9:33 PM
Subject: Re: [NSRCA-discussion] Looking for a Proline Tx with
Chidgey sticks
Ed,
6.8K SIPs will work fine. I used 10K but these are just pull up
resistors so 6.8K will work fine. The source code is available, I have been
sending it out on a request basis but I will post it on the web site soon.
Regarding the receiver; the MC13111 is indeed discontinued but I have 250 of
these parts in stock. I did a life time buy as they were going out of
production. This is a great part, a one chip synthesized receiver chip,
perfect for a RC receiver.
I too build a heathkit RC system with my dad years a go, indeed the
good old days! Growing up with single channel escapement systems and reeds
is what captured by interest in electronics, remember the Digitrio systems?
I have all the documentation and a complete system.
--Gordon
------------------------------------------------------------------------
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Ed Alt
Sent: Tuesday, March 14, 2006 12:06 AM
To: NSRCA Mailing List
Subject: Re: [NSRCA-discussion] Looking for a Proline Tx with
Chidgey sticks
Hi Gordon:
I've been a lurker on the MP8K list for a while and finally decided
to build the mstar 2K yesterday. I'm just about done except I have to get
replacements for the resistor networks, having 8 pin SIPs instead of 9 pin -
whoops! Those are 6.8K, correct? Other than that, I haven't run into any
snags yet, but I will definitely take you up on your kind offer to assist if
needed.
I thought I saw something about source becoming available for the
MP8K, but I didn't realize the mstar 2K would be open source - very
interesting. Looking forward to the upgrade as well. Re. the PulseStar
receiver, that looked really interesting too. Did the MC13111 really get
discontinued? It's a shame if so. I have to say, the projects you have
done are really admirable. It's great to see this kind of project still
available these days. I built a Heathkit GD-19 when I was a kid, when it
was still fairly common for hobbyists to build their own stuff, including
servo kits from World Engines etc. That Heathkit still works, KPS-9 servos
and all and I flew with it right up until the mid 80's, though I did
eventually replace the receiver with an Ace Silver 7. The good old days...
Thanks
Ed
----- Original Message -----
From: Gordon Anderson
To: 'NSRCA Mailing List'
Sent: Monday, March 13, 2006 10:52 PM
Subject: Re: [NSRCA-discussion] Looking for a Proline Tx with
Chidgey sticks
Ed,
Thanks for the interest in my Encoder. The Proline transmitters
are getting hard to find, the last one I picked up was at Northwest Model
Expo. I'm sure you are aware of my web site, www.mstar2k.com, you can find
all the technical data on this site. I'm happy to help you with this
project. Electronics is my second hobby and my projects open to the public
through my web site. I would estimate about 50 to 70 systems have been built
to date. This is the only "open source" design available.
I will be designing a next generation encoder using the
PIC18F8722. This encoder will be smaller but it will be next fall before it
is complete. This version will have digital or analog trim options as well
as other upgrades. Again, thanks for your interest and good luck with your
project.
--Gordon
BTW; I'm a licensed Radio Amateur (KG7YU) and all my home built
electronics are on the HAM bands.
----------------------------------------------------------------------
From: nsrca-discussion-bounces at lists.nsrca.org
[mailto:nsrca-discussion-bounces at lists.nsrca.org] On Behalf Of Ed Alt
Sent: Monday, March 13, 2006 7:30 PM
To: nsrca-discussion at lists.nsrca.org
Subject: [NSRCA-discussion] Looking for a Proline Tx with Chidgey
sticks
I'm looking to buy a ProLine 2 stick transmitter for an update
project I'm doing. I'm building a Gordon Anderson Microstar 2000 encoder
and was originally going to fit it into a Kraft Tx, but the fit is fairly
tight and the open Gimbal Kraft sticks just aren't as good as the Chidgey
sticks were. The ProLine was taller and everything ought to fit better. I
can make the Kraft conversion work, but the ProLine approach is much more
appealing. Anyone know of a source for one? Tired of trolling eBay...
Thanks
Ed
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