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Messages - LukeZ

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1
Show and Tell / Re: 1/6 Metalbox Luchs project
« on: April 17, 2019, 02:38:13 PM »
I will definitely look forward to seeing your trip report! I will keep an eye out on RCUniverse.

2
Show and Tell / Re: 1/6 Metalbox Luchs project
« on: April 15, 2019, 06:33:28 PM »
haha, Lukez
honestly, I find it is a pain in the ass to adjust the settings after I have put the TCB inside it. you know what I mean ^_^
I do know what you mean! However the turn modes and both acceleration and deceleration constraints can all be adjusted from your transmitter, if you have enough channels. I typically put the turn modes on a 3-position switch (since there are 3 modes), and assign the acceleration and deceleration to two potentiometers. I may also enable/disable neutral turns on the same 3-position switch (I usually have neutral turn enabled in turn mode 1 for fine maneuvering, and disabled on turn modes 2 and 3 which are better for faster movement).

I think you would find these "on-the-fly" adjustments useful.

Will you go to Militracks 2019?
That would be very fun I'm sure! But no, I will not be traveling to the Netherlands next month. Are you going all the way from Shanghai?!

3
Open Panzer Help / Re: Trouble some TCB
« on: April 09, 2019, 02:07:22 PM »
I seemed to be doing everything the same as before, except for engine start on throttle.
Well that is not quite everything the same as before, that would be a change which both points to the original issue and solved it.

As for the absence of moving indicators on the red and green LEDs - that is certainly not normal behavior. Do the red and green LEDs ever light up at all under any circumstance? I am wondering if the factory installed them backwards. That is not something anyone else has reported so it seems unlikely, but I can't think of any other reason they would fail to light.

4
Open Panzer Help / Re: Trouble some TCB
« on: April 09, 2019, 12:58:47 AM »
Blue led flashes when throttle moved but no movement of motors of red or green leds.
If the blue LED you're referring to is the one on the Sabertooth, I don't think it gives much useful information. There is a also a blue LED on the TCB that simply indicates if data is being sent out the MOTOR serial port, but not all data sent to the Sabertooth necessarily leads to movement. What interests me about your statements is that you are not seeing anything on the Red and Green LEDs on the TCB. Those do provide information about vehicle movement as described in the Wiki. If they are not doing anything, then the TCB is not trying to move.

Have you assigned a trigger to the Engine On function? Note that nothing will happen until you explicitly command the TCB to "start the engine." You can assign this to a switch or you can have the engine automatically start when you move the throttle (this setting is on the Driving tab).

Make sure you also have the dipswitches on the Sabertooth set correctly.

I'm sure whatever the issue is it's something very simple and we will figure it out shortly.

5
Show and Tell / Re: 1/6 Metalbox Luchs project
« on: April 06, 2019, 01:55:37 PM »
Very nice! You did an excellent job on the paint. Obviously everyone here or at RCUniverse wants to see a video sometime!

I am curious if you are using any driving adjustments (momentum/inertia/nudge/turning modes) and if so what you think of them at this scale.

6
Open Panzer Help / Re: Firing randomly
« on: March 25, 2019, 01:59:11 PM »
Probably could have been corrected by re-running Radio Setup, or checking the trainer switch end points, but either way glad you got it working and thank you for reporting back.

7
Open Panzer Help / Re: Gyro Turret lock function
« on: March 22, 2019, 10:48:25 PM »
If I understand your earlier comments correctly, it is possible to get a gyro to work on one axis or the other correctly, but since they are designed for helicopters and not tanks, there is not an appropriate mode that will control both the turret rotation and barrel elevation channels in the manner we need, is that about right?

I wonder if using two independent single-axis gyros, one for each channel, might be the simplest approach. But we will look forward to seeing your progress with the A3S3.

8
Should I buy hot air soldering base?
I have never needed to use a hot air station, though it might have come in convenient at times. I would invest in a good soldering iron over a hot air station, I use the Weller WLC100 and an ST7 fine tip. But there are some things an iron simply can't do. For reflow soldering I use a cheap electric hot plate (like what you get for cooking).

I have no progress to report on the DIY sound card idea. I'm still waiting on some parts from China to do more testing with.

9
Open Panzer Help / Re: Gyro Turret lock function
« on: March 15, 2019, 03:34:10 PM »
Hi Ulrich, can you give us a link to the gyro you are using as well as to the other ones you are considering? It would be nice for us to see what you're doing so we can follow along, or try it ourselves. 

You will want to make sure the ESC you are using for the turret rotation does not have "brake" enabled (most do). With brake it will not want to change direction immediately.

The other problem I would think is that the standard turret rotation motors (Heng Long/Taigen) are very slow and would not be able to move fast enough. A high speed servo, modified for continuous rotation, might work better.

From your description it sounds like in theory the 3-axis gyro is all you need, the problem is in the mechanical implementation (if I understand you correctly). There is actually no such thing as a "6-axis" gyro, there are only ever 3 axis of movement. What they call "6-axis" just means essentially that it is more sensitive, but the functionality is going to be basically the same. However as you point out maybe one of the advanced "modes" available on the "6-axis" would work better in practice.

10
Show and Tell / Re: TCB controlled landing craft project
« on: March 15, 2019, 03:17:15 PM »
I will definitely be watching with interest!

11
Open Panzer Help / Re: Firing randomly
« on: March 13, 2019, 07:08:10 PM »
The most likely cause is that your cannon fire channel (Aux 3) is hovering around the trip point (between position 1 and 2). Check the end-points for that channel in your transmitter. Also observe that channel while doing "Read Radio," and make sure OP Config is reading the two discrete positions solidly. Possibly you may need to "Save Min/Max" once more and make sure it has correctly recorded the full range of that channel.


12
Open Panzer Help / Re: correcion de direccion
« on: March 13, 2019, 03:50:36 AM »
I see nothing unusual in your setup. As before, I would recommend performing Radio Setup once again to verify that your controls are assigned properly.

Has this behavior appeared suddenly? Is there any other change you made recently that you can associate with this problem?

13
Open Panzer Help / Re: correcion de direccion
« on: March 12, 2019, 01:32:26 PM »
I understand your question now. That definitely should not happen. The first thing I would do is run through Radio Setup again to make sure the channels are saved correctly.

Also you can post your OPZ file and I will see if anything looks strange.

14
Open Panzer Help / Re: correcion de direccion
« on: March 11, 2019, 09:32:31 PM »
Hi juan, have you tried using the trim (or subtrim) on your transmitter to compensate?

15
You are correct. You can use a calculator like this one. Supply voltage = 5 volts. Desired current = 20 mA (or less). Voltage drop you can find from your LED specification.

Of course the other outputs (Aux, MG, L2, etc) can supply more current, but you still need to provide a resistor or else your LED will burn out.

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