News:



  • June 12, 2025, 02:17:02 AM

Login with username, password and session length

Author Topic: Feedback on KR Governor timer  (Read 782 times)

Offline Keith Renecle

  • Trade Count: (0)
  • Admiral
  • ******
  • Posts: 907
Feedback on KR Governor timer
« on: April 20, 2011, 01:10:52 AM »
Hi All,
Thanks to all those that ordered some of my timers. I now have more than 50 of them running all around the planet, and I have some feedback. Most of the users are impressed with the performance and ease of use so far, but there have been a few of the usual problems that occur with any new development. I have narrowed down the reasons for these problems to 3 things that I've listed below:

1. The first problem has been with ESC’s that have a BEC (Battery Eliminator Circuit) regulator voltage of more than 5.5 volts. This will destroy the processor chip on the time pc board! The majority of ESC’s have a 5.0 volts output, but with the use of LIPO and LIFE receiver battery packs these days, some ESC’s are using an output of 6.5 volts or even more. Please check this carefully!

2. The second problem is due to using ESC’s that have been set to a particular throttle range previously to suit other systems and timers. My timer has a throttle pulse width of 1.0 ms (milliseconds) and a maximum of 2.0 ms. If your ESC will not initialize properly on connecting the battery with the correct beeps, then it may be that it needs calibrating to the timer's max and min pulse width. This is usually a necessity when using R/C systems. There is a section in the instructions that explains exactly how to do this.

3. The third problem occurs when using the timer in a range below its design limit of 7500 rpm. It is necessary to find a motor/propeller combination to keep the rpm above this limit. I've used my system between 7500 and 11000 rpm and I really did not believe that anyone would want to work outside of this range. It should work at higher rpms, but I have not yet tried it.

A few guys have tried it using Jeti and CC esc's to compare the governor by simply disabling the built-in governors. The results are good so far. One good pilot from Germany remarked that it was not as fast to react as the Jeti in hard corners but he says that this is no real disadvantage and the model still flies as good as his good stunt engines. I can live with that! My target was to perform as well as the sport glow engines like the FP .40 etc., and it certainly outperforms them. I must say that the Jeti's governor is by far the best that I've tested and when I've done similar comparisons, I have felt that my system was close enough to be competitive. It is nice to see that some others have found the same, especially seeing that it costs a small percentage of the price of the high-end systems. Thanks to all of those that sent me the feedback.

If anyone is interested in getting into electric stunt the simple cost-effective way with my Governor-timer, then I would suggest that they buy a simple but good ESC like the Hobbywing, ZTW, Arrowind and even the Turnigy Plush, which I believe is a Hobbywing. I am most impressed by the new ZTW esc's because they have a very smooth throttle resolution from low to high with zero jumps at all. Their new series that is now coming out has a programmable BEC output voltage as well, so just make sure that it is set to 5.0 volts.

I have new stock again now, and all the info is on my website at: http://www.keithrenecle.co.za/Electric%20CL.htm

Thanks for the support!

Keith R

Keith R


Advertise Here

There are no comments for this topic. Do you want to be the first?
Tags: