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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  Next Page Last Page  
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 Posted: Tue Nov 14th, 2017 07:25 am
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davecttr
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Rod Hutchinson wrote: I used Company P converters to 9v.  No trouble at all except where I got too close, in the wrong place, with a soldering iron.I have a fear of going anyway near Rx's and regulators with a soldering iron, luckily my main Deltang supplier offers them ready wired and IMO that is worth a couple of pounds.

A question about these low cost alternatives. Are there any small enough to fit in 00 scale locos and leave room for the batteries?



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 Posted: Tue Nov 14th, 2017 07:52 am
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Rod Hutchinson
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davecttr wrote:I have a fear of going anyway near Rx's and regulators with a soldering iron, luckily my main Deltang supplier offers them ready wired and IMO that is worth a couple of pounds.I have learnt to solder wires to SMD leds.  With Deltang receivers I wire up my own using the same technique.  The converter I blew up was more to do with a brain fade at the time.  All of my DT rx and Pololu steps work well.  I use them with 2S configuration, 7.4 to 9v running OEM open frame motors in HOn30.  The downside is that batteries and modules are in a trailing truck.



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 Posted: Tue Nov 14th, 2017 11:31 am
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Helmut
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@davecttr
Pololu seems to have the smallest footprint for 9V@300mA. There are some Chinese boards around, albeit a tad larger. I have used the 9V-stepup+supercap in a TT-scale loco, a battery may even be smaller depending on the capacity. You may distribute two or more of them wired in parallel, in the shell where convenient.

Last edited on Tue Nov 14th, 2017 11:33 am by Helmut



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 Posted: Tue Nov 14th, 2017 08:18 pm
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Si.
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" A question about these low cost alternatives. Are there any small enough to fit in 00 scale locos and leave room for the batteries? "



Hi Dave :wave:



There are a TON of these lil' boards on eBay around $0.50c a go.

They all use the same basic technology & chips/inductors etc.

There are some incredibly teeeny-weeny ones about if one looks.



Bob mentioned being worried about the good-value for money regulators blowing-up !

Some details in a photo from Helmuts link ^^ above.





This one is made by 'Canton Power', logo like a 'copyright-symbol'.

They pretty much make 'em all !





My ones I posted on the last << Page are also made by 'Canton Power' using the same parts.

They look incredibly easy to solder to, with nice holes/pads & plenty of tinning on the PCB.



:)



Si.



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 Posted: Tue Nov 14th, 2017 10:02 pm
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W C Greene
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Si, are these ESC/Receivers and do they have PROPORTIONAL SPEED CONTROL forward & reverse?

Woodie



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 Posted: Wed Nov 15th, 2017 12:15 am
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davecttr
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I checked online Woodie and they are voltage regulators. I should have been clearer with my original question. I was thinking of the receiver and ESC.



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 Posted: Wed Nov 15th, 2017 10:56 am
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Helmut
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In conjunction with a DT RX41d, I've used a Pololu 2961 for a TT loco. I did not want to replace the motor for a 6V-type, but I needed the small footprint of the Rx and the ESC to fit everything in. Yo have to adjust the programming of the RX according to the instructions on the website. The BD65496MUV may be better suited, it is 0.1" longer on one side (0.6x0.6 compared to 05.x0.6), but it can be driven directly by the motor outputs of the Rx. Haven't seen such small Chinese boards yet, but there is always Si who knows... But this is a deviation from the original thread, as one would explicitly need an ESC that works from with an R/C signal. Their footprint has to be larger, as you need the  ┬ÁP + driver IC to make a suitable PWM out of the servo output. So for  small spaces, you only have the 6V-variants around - those for >12V are much larger and fit only into rather spacious models. And the 6V-variants are mostly intended for e.g. 1:87 RC car models. Just an example for what you can get here in Germany. This is the smallest one I could find - but 6V of course

Last edited on Wed Nov 15th, 2017 11:50 am by Helmut



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 Posted: Wed Nov 15th, 2017 01:35 pm
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Si.
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" Si, are these ESC/Receivers and do they have PROPORTIONAL SPEED CONTROL forward & reverse? "



Howdy Woodie :cb:



NO they aren't, and NO they don't.



:f::f::f::f::f:



Si.



;)



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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: Wed Nov 15th, 2017 01:44 pm
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Si.
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" Are there any small enough to fit in 00 scale locos and leave room for the batteries? "



Hi Dave :wave:



Sorry, I thought you meant the DC-DC 'step-up regulators'.

Oh well, some useful info there ^ for someone anyhow perhaps.



I have some sizes measured from my components Dave ...

... I'll Post something about the size of all these parts later.

Dimensions Of 'FlySky' Receiver, E.S.C. & Regulator



:!:



Si.



I guess if it's OO-scale & has a tender, it's gonna be a breeze.

Likewise most larger diesels & electrics.

If it's a 'Thomas' it's gonna be. :bang:



'Thomas' the tender-engine would be easy though ! ;)

Which is basically why my 16.5mm gauge Porter is getting one !! :cool:





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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: Wed Nov 15th, 2017 05:44 pm
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Bernd
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Time to get this thread back on track. (pun intended)

I finally have all the electronic products together. I didn't realize you need two power supplies to power the ESC and the receiver. I used the battery pack from All-Batteries, a 6 volt 1600mAh Ni/Mh pack for the receiver and a 6 volt D cell battery holder to temporarily power the ESC. I discovered that the switch with the wires on the receiver is an on/off power switch. This makes the switch soldered to the circuit board the "brake on/off" switch. I didn't see any difference in the motor with it in the on or off postion. Also hard to tell what is on and what is off. No instructions comes with the Chinese receiver.

Here's a pic of all the equipment.



And a pic of the (from left to right) Receiver, battery pack & ESC. It's sitting on an Atheran F7-B unit frame. It'll all fits in the shell.



Next I'll need to modify the F7-A unit. I've removed the Atheran 12 volt motor and will be replacing it with two 6 volt motors driving a "ModelTorque Automatic Torque-control Coupling".


Bernd



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