TNC Tachometer
#6
Senior Member
Joined: Oct 2002
Posts: 708
Likes: 0
Received 0 Likes
on
0 Posts
From: Weymouth,
MA
If you're willing to BUILD one, there COULD be a BETTER one available...
Dear Sea157:
The PIPE Here once more...and even though I HAVE mentioned to Gordon Anderson, the "brains" behind the magnificent MICROSTAR RC transmitter encoder at http://mstar2k.com/ , about creating a "standalone" version of the built-in digital tachometer function that's ALREADY in the MicroStar encoder, there IS another "do-it-yourself" digital tach project that DOES have me interested, and if you're not the electronics project-building type of RCer it IS something you might want have someone else build up for you...
...is what I saw at http://home.t-online.de/home/cord.johannmeyer/ , the Pic-Tacho digital tachometer!
The main feature that got MY eyes all lit up
about THAT tach was the ONE RPM RESOLUTION capability...MUCH better than the TNC unit ever had, even the "PT10S" model I wanted to get for myself earlier in 2004, just as that tach was going OUT of production.
A Turkish RCer named Osman Dalaman has had a build thread on one of these at http://www.rcgroups.com/forums/showthread.php?t=205136 ... for myself I'd have to have someone else program the main PIC programmable chip to operate the tach, and finding someone who COULD do that for you might tbe the toughest part...but where a few of my fellow members of the Yahoo MicroPro/MicroStar RC radio user group, at http://groups.yahoo.com/group/MP8K/ , seem to have the "programming knowledge" to even make a firmware programming upgrade to even the LONG out-of-production Ace RC MicroPro RC transmitter, someone THERE might be able to do the programming of that chip if needed!
I'm seriously thinking about trying to build one of these later this year (especially IF I could get the PIC chip already programmed somewhere!)...so, "just to let you know", people ARE working on newer design digital readout tachs that will be as good, and even BETTER, than the old TNC unit!!!
Yours Sincerely,
The PIPE!
Dear Sea157:
The PIPE Here once more...and even though I HAVE mentioned to Gordon Anderson, the "brains" behind the magnificent MICROSTAR RC transmitter encoder at http://mstar2k.com/ , about creating a "standalone" version of the built-in digital tachometer function that's ALREADY in the MicroStar encoder, there IS another "do-it-yourself" digital tach project that DOES have me interested, and if you're not the electronics project-building type of RCer it IS something you might want have someone else build up for you...
...is what I saw at http://home.t-online.de/home/cord.johannmeyer/ , the Pic-Tacho digital tachometer!
The main feature that got MY eyes all lit up
about THAT tach was the ONE RPM RESOLUTION capability...MUCH better than the TNC unit ever had, even the "PT10S" model I wanted to get for myself earlier in 2004, just as that tach was going OUT of production.A Turkish RCer named Osman Dalaman has had a build thread on one of these at http://www.rcgroups.com/forums/showthread.php?t=205136 ... for myself I'd have to have someone else program the main PIC programmable chip to operate the tach, and finding someone who COULD do that for you might tbe the toughest part...but where a few of my fellow members of the Yahoo MicroPro/MicroStar RC radio user group, at http://groups.yahoo.com/group/MP8K/ , seem to have the "programming knowledge" to even make a firmware programming upgrade to even the LONG out-of-production Ace RC MicroPro RC transmitter, someone THERE might be able to do the programming of that chip if needed!
I'm seriously thinking about trying to build one of these later this year (especially IF I could get the PIC chip already programmed somewhere!)...so, "just to let you know", people ARE working on newer design digital readout tachs that will be as good, and even BETTER, than the old TNC unit!!!
Yours Sincerely,
The PIPE!
#9
Senior Member
A cheap, $20 [link=http://www2.towerhobbies.com/cgi-bin/wti0001p?&I=LXPT31&P=RF]Tower tach[/link] is accurate enough.
All you need to know is when to rule out a reading as false.
You will not see 13,000, when the engine is doing 11,000...
You may, however, see 30,000, with the engine idling, as I've seen happen, when you take readings within close proximity to high-tension wires...
In general, its readings are consistent and quite accurate.
All you need to know is when to rule out a reading as false.
You will not see 13,000, when the engine is doing 11,000...
You may, however, see 30,000, with the engine idling, as I've seen happen, when you take readings within close proximity to high-tension wires...
In general, its readings are consistent and quite accurate.
#12
This is the web site that sell the TNC Tach, http://www.bktsi.com/. I don't know if it's still available anymore, but you can call them to find out directly.
Hope this helps.
Hope this helps.
#13
Senior Member
Joined: Dec 2001
Posts: 2,492
Likes: 0
Received 0 Likes
on
0 Posts
From: Castaic, CA
Now you tell me Bill. No wonder my engines seemed so powerful. Now I have to go sulk because it turns out they are just as wimpy as everybody elses's.
#15
Senior Member
Joined: Dec 2001
Posts: 2,492
Likes: 0
Received 0 Likes
on
0 Posts
From: Castaic, CA
Any way I bought my TNC tach about 1 to 1 1/2 years ago from Don's Hobby Shop donshobbyshop.com. At the time The TNC was being made by Skybornelctronics. I don't see the TNC on Don's web site anymore but you might give them a call at 785-827-0472.
#16
Senior Member
Joined: Dec 2001
Posts: 2,492
Likes: 0
Received 0 Likes
on
0 Posts
From: Castaic, CA
I see the TNC Tach on the Skybornelectronics web site but I can't get to it. I think you would have to call them on their telephone number shown on the web site.
Skyborne is www.bktsi.com as pointed out by SSAN
Skyborne is www.bktsi.com as pointed out by SSAN
#19
Senior Member
Joined: Dec 2001
Posts: 2,492
Likes: 0
Received 0 Likes
on
0 Posts
From: Castaic, CA
Dar - the problem with the cheap tachs is you wind up getting to close to the prop while trying to avoid the effects (misreadings) caused by multipath. The TNC was a godsend at 99 bucks. There are much better tachs but they generally cost from $250 to a thousand and are available thru industrial catalogs.
The optical tach with an analog readout that many of the pylon guys use is real good but goes for about 200 bucks I think. SSAN would know.
The optical tach with an analog readout that many of the pylon guys use is real good but goes for about 200 bucks I think. SSAN would know.
#20
Senior Member
Joined: Jan 2002
Posts: 651
Likes: 0
Received 0 Likes
on
0 Posts
From: splattsville, MN,
I've walked by others taching there planes and can pick up a reading with my TNC by holding it over there shoulder.
The cheaper tachs are accurate, it's the sensitivity and quickness that they lack.
The cheaper tachs are accurate, it's the sensitivity and quickness that they lack.
#21
Senior Member
Joined: Dec 2001
Posts: 2,492
Likes: 0
Received 0 Likes
on
0 Posts
From: Castaic, CA
Splatt! Splatt! Splatt! wandering around taking readings on the competitions engines to see which ones to worry about and which ones are going to be slow tch! tch! tch!


Denis



Denis
#23

My Feedback: (1)
Joined: Jul 2002
Posts: 1,820
Likes: 0
Received 0 Likes
on
0 Posts
From: gainesville, TX
TNC Is Not Dead! Fromeco http://fromeco.org has purchaced the rights to TNC and is currently building The new and inproved TNC Tachometer. It is an enhanced version of the origional TNC. I should be receiving a pre-production model this week and testing it this weekend.
#25
Senior Member
Joined: Mar 2002
Posts: 2,756
Likes: 0
Received 0 Likes
on
0 Posts
From: Brandon, MS
Couldn't find anything about the tach on the website, but I sure am glad to see somebody else bringing it back out. I hope the enhancements are a "good thing", cause I liked it just the way it was.
Ed M.
Ed M.




