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Purchased A 'FlySky' FS-GT2E - Transmitter & Receiver
 Moderated by: W C Greene Page:  First Page Previous Page  1  2  3  4  5  6  7  ...  Next Page Last Page  
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 Posted: Fri Nov 10th, 2017 11:56 pm
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Si.
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It is of course the 'pot. in a box' approach, from Train-Sets that " we're used to using "

But why ?

Well, yes, it was easy enough, back in the day, to just bung a wirewound pot. in a box ...

... MUST be the right way to do it. :P



Bear in mind single handed operation for a 'walkaround' at all costs. L:

You won't regret it !

In fact WHY turn an innovative ergonomic dream, into a 'pot. in a box' at all ?



Oh IT IS a 'pot. in a box' Jim, but not as we know it !





NOT a 'pot. in a box'.

Mysterious Moose Mountains recent S.C.R throttle handset build.

NICE !



:moose:



Si.



Beam me up Scotty ! :shades:




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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Sat Nov 11th, 2017 12:52 am
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Helmut
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As for 'Captain Kirk' style transmitters, you start with this:





and after a bit of tinkering:







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 Posted: Sun Nov 12th, 2017 11:05 pm
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Nortonville Phil
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Hello All


I too was inspired by Si's 'FlySky' info on the Tam Valley thread.


I already had an TX. and RX. so I just ordered a 10amp E.S.C. from E-bay.
It arrived from China a few days ago and looks just like the one you guys ordered, it came with instructions.


I hooked it all up on the bench on Friday and it works great.
I will now be back in the R.C. business.


I plan to put this in an O-scale switcher.
Oh, and the E.S.C. was cheap, only 4 dollars !
And the TX. and RX. I have, a friend gave me.


That is not much money to get going in R.C.





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Phil Randall
Trinity Valley Traction Co.

http://bluebonnetlimited.blogspot.com/

DFW O Scale Club
https://www.facebook.com/groups/620581178010609/
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 Posted: Sun Nov 12th, 2017 11:46 pm
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Bernd
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Phil,


If I understand this right the Receiver works at 3 to 6 volts
and your O-scale engine probably has a 12 volt motor, correct?


What voltage battery are you going to use?


Any chance you could copy and post the instructions of the receiver?


Bernd




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 Posted: Mon Nov 13th, 2017 04:54 am
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Nortonville Phil
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Bernd,


The receiver I already had.

The E.S.C. I bought outputs a constant 5v to run the receiver
or at least that is what I have been told by my friend that is a airplane guy.
The ESC I have is similar.

I am using 3 cell batteries.




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Phil Randall
Trinity Valley Traction Co.

http://bluebonnetlimited.blogspot.com/

DFW O Scale Club
https://www.facebook.com/groups/620581178010609/
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 Posted: Mon Nov 13th, 2017 05:27 am
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Si.
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" I too was inspired by Si's 'FlySky' info "

" I hooked it all up on the bench on Friday and it works great."



Hi Phil :wave:



AWESOME ! :bg:

I'm sure that rig will suit your new garden O-scale line a treat !! :cool:

Certainly can't argue with the price. :thumb:



:)



Si.



Yes, the E.S.C. provides the Receivers 5-Volts, through its 3-wire 0.1" cable-socket connection.

That particular 'small red' E.S.C.s maximum operating Voltage, is said to be 8.4 Volts.

I'm sure 9 Volts or thereabouts is probably OK.



If you happen to have a 9 Volt regulator like I do ...

... you could drop 1/2 a Volt with a appropriate diode if needed.



1 cell LiPo + a 9 Volt step-up regulator will work.

2 cell LiPo giving 7.4 Volts sans regulator will also work.



Good luck on the install Phil. :!:

Sounds  C:cool::cool:L


:)







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' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Mon Nov 13th, 2017 02:03 pm
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Helmut
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W C Greene wrote: The system looks OK to me but that "Capt. Kirk" phase pistol needs some fixin'. ...
I just got a couple of old analog 27MHZ 2 stick transmitters (just what we wanted).

Hi Woodie,

that's how I modified the sticks a bit to have a reliable 'OFF' position plus two functions ( like lights )







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 Posted: Mon Nov 13th, 2017 10:11 pm
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Nortonville Phil
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Hi Si.


I hooked up my 3-cell LiPo battery to my E.S.C. and have tested it.
I realized yesterday that my E.S.C. is supposed to only be for a 2-cell battery.
It still seems to work though.
I don't know if I will burn it up, if I continue to mess with it.
I guess I need to get a 2-cell battery.


I have been reading on here about these 'DC-DC Converters' to step-up the battery Voltage.
I have been searching for info on the Forum about these.
But still have questions.
If I use a 12 Volt DC-DC step-up with a 2-cell battery, I guess that means that I can now vary the Voltage up to 12 Volts ?
Is there more info on these you can point me towards ?


Thanks.




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Phil Randall
Trinity Valley Traction Co.

http://bluebonnetlimited.blogspot.com/

DFW O Scale Club
https://www.facebook.com/groups/620581178010609/
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 Posted: Tue Nov 14th, 2017 12:15 am
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Si.
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Hi Phil :wave:



Although MOST of our models, whatever the scale, are designed to operate on 12 Volts ...

... MOST of them will run like the 'Bullet Train' with the full amount of juice ! :shocked:

So.

In my opinion stepping-up to 12 Volts, in many cases, is not really needed.



For my stuff at least, everything I am likely to want to R.C. ...

... should run fine between 7.4 to 9.0 Volts maximum.

Giving respectively, the option of 2-LiPos & no regulator, OR 1-LiPo & a 9 Volt 'step-up regulator'.


L:


On your 3-cell battery situation Phil. :brill:

I bought two E.S.C.s, both the smallest & cheapest I could get on eBay, at about 3-4 Bucks a pop inc. P&P.

Of course there are LOADS of others available as well, very cheap also, just often a tad bigger in physical size.



The reason your E.S.C. hasn't BLOWN-UP  :shocked:  yet with an 11.1 Volt 3-cell battery ...

... is probably because it may well have sufficient overhead not to do so.

Having said that, as with ALL electronics, higher heat = shorter life.

But we COULD be talking about 100s to 1000s of hours of OK life here.



There are TWO things of consideration here :-

The 5-Volt regulator which is built into the E.S.C only has to power it's own small circuit + the receiver.

Both of which require minimal power, there are not even loads of servos connected to the receiver.

Cos it ain't having to deal with an overly high-current draw, it can probably stand the 11.1 Volt input.



The 2nd thing is that since the 4 big power-chips on the back of the E.S.C. are designed for 10 Amps ...

... and your load is way, way lower than that for sure, they are likely to survive 11.1 Volts also.



If that E.S.C. was $50 Bucks worth of kit, my shorts would have changed colour by now !

But personally I can afford another £2.54p inc. P&P if I blow mine up !!

So as Clint Eastwood said ...

... " Do you feel lucky punk ? " :w:



:)



Si.



There are LOADS of DC-DC 'step-up regulators' on eBay, just as good & way, way cheaper than 'Pololu'.

There are tons of fixed voltages to choose from & also adjustable ones.



The main criteria for choice being ...

... How much current it needs to deal with & if it's corresponding physical size is OK for the install.



I am wondering at the moment on my install whether to use one or not.

Seems to me though, that unless you absolutely have no room available & simply MUST use a 1-cell LiPo ...

... a 2-cell LiPo stetup, sans regulator, in my case & probably many other cases, is the way to go generally.


:old dude:





:!:




____________________

' Mysterious Moose Mountain ' - 1:35n2 - pt.II
http://www.freerails.com/view_topic.php?id=7318&forum_id=17&page=1

' M:R:W Motor Speedway !!! ' - 1:32 Slotcar Racing Layout
http://www.slotforum.com/forums/index.php?showtopic=59295&st=0&a
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 Posted: Tue Nov 14th, 2017 12:27 am
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davecttr
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I use a lot of 'Pololu' regulators, mostly 9V which give good top speeds with most of my locos.
If the fully loaded loco draws about 300mA or less you can use a single 3.7V LiPo with conversion efficiencies of 80% or better.
If you need more than 9V, or the loco draws more than about 300mA, go for a 7.4V 2-cell LiPo which can have conversion efficiencies of 90%


If you want to consist a couple of locos together, a regulator is needed to give a consistent Voltage to both locos.
As LiPos have a output ranging from a freshly charged 4.2V to a depleted 3V, obviously making speed matching difficult.




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