[NSRCA-discussion] GWS Servo/Transmitter Tester/Tachometer

[Ron Van Putte]

I am currently using my Futaba R6014 receiver with the MT-1 to look  
at what's coming out of the receiver.  I'll try the Futaba 12FGA  
transmitter with the MT-1 when I get the appropriate transmitter  
signal cord.

Ron

On Dec 12, 2009, at 11:19 AM, James Oddino wrote:

> Most RC systems send a pulse to the receiver every 20 milliseconds  
> or so.  The new Futaba HS high speed systems put out a pulse every  
> 7 milliseconds.  Many devices like analog servos won't work with  
> this higher frame rate.  So someone needs to test it on an HS  
> receiver.
>
> I believe this device decodes the PPM pulse train coming from the  
> trainer port on the transmitter and lets you look at each of up to  
> 9 channels.
>
> Jim
>
> On Dec 12, 2009, at 8:44 AM, Ron Van Putte wrote:
>
>> If I understand your question, the answer is "yes".
>>
>> It also is supposed to measure the pulse width out of the  
>> transmitter for up to nine channels, but it requires an optional  
>> "transmitter signal cord", which appears to have a servo connector  
>> on one end and a stereo headphone connector on the other end.  No  
>> clue as to how it's wired.  I sent a query to the MT-1 thread on  
>> RC Groups, asking which transmitter signal cord is used with which  
>> transmitters and am awaiting a response.
>>
>> Ron
>>
>> On Dec 11, 2009, at 12:21 PM, James Oddino wrote:
>>
>>> Does it measure pulse width out of the newer Futaba high speed  
>>> receivers?  I noticed my Jeti box didn't.  The Schulze ESC didn't  
>>> like it either.  Can't take the high frame rate I guess.
>>>
>>> Jim
>>>
>>>
>>> On Dec 10, 2009, at 5:31 PM, Ron Van Putte wrote:
>>>
>>>> I don't know how many are interested in a combination servo/ 
>>>> transmitter tester/tachometer, but I've been checking out a GWS  
>>>> Multiple Tester lately and am very impressed with the number of  
>>>> features and the accuracy of the unit.  You can look at it  
>>>> here:  http://www.gwsus.com/english/product/auxcircuit/mt-01.htm
>>>> It has a number of ways to check out servos.  You can put it in  
>>>> a manual mode, which enables you to increment servo motion in 10  
>>>> ms steps, so you can take it from 1500 ms (center) all the way  
>>>> to either 1000 ms or 2000 ms (50 steps either side of center).   
>>>> You can also put it in an automatic mode and it will swing back  
>>>> and forth from 1000 ms to 2000 ms continuously.  In another  
>>>> mode, you can start at center, take it to 1000 or 2000 ms and  
>>>> back again to check centering of the servo.
>>>> It also has a tachometer capability, which I haven't used and  
>>>> another mode which I also haven't used yet that enables you to  
>>>> look at the transmitter signal by looking at what the receiver  
>>>> is seeing.
>>>>
>>>> I got my unit from BP Hobbies, where the standard price is  
>>>> listed at $25!
>>>>
>>>> Yes, it does work with digital servos, at least the Futaba and  
>>>> Bluebird digital servos I've tried.
>>>>
>>>> Ron Van Putte
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>>>
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