RCCrawler Forums

lobi1kanobi · 08-18-2009, 05:13 AM

hey guys i was wondering if any one out there had went into there dx3s and tryed to make the 2 pos switch a 3 ( yes i know thats what they make the 3r for but thinkin of tryin to save some money)
let me know thanks

K_B · 08-18-2009, 11:31 AM

It wouldn't be as simple as soldering in a 3-position switch I don't think. There's a tech article on how to convert an Airtronics MX-3 2P switch. I would imagine it would be a similar process to convert the DX3S; it's not a simple procedure...

http://www.rccrawler.com/mx3.htm

customcrawlerV1 · 08-20-2009, 03:13 AM

im getting confused nw, there are a couple of threads about this but i have a dx3s nd it dosnt even have a 2 pos switch unless there is a war of useing the timer start/stop button. as far as i know, the only use for the third chanal is for a second steering servo so you have both controlled by the wheel.

Crimson Feight · 08-20-2009, 08:11 PM

Quote:

Originally Posted by customcrawlerV1

im getting confused nw, there are a couple of threads about this but i have a dx3s nd it dosnt even have a 2 pos switch unless there is a war of useing the timer start/stop button. as far as i know, the only use for the third chanal is for a second steering servo so you have both controlled by the wheel.

You'll find 3 switches round the top section of the wheel, 2 do trim and the third which is closest to your wrist when holding the control is the 3rd chan.

I don't know how easy it would be to turn into a 3 postion.

I've got an S and it has it's moments of brilliance, like loading the right steering trim and wrong throttle trim for a model

TNTCrawler · 08-20-2009, 08:28 PM

I ran into this with an MX3 and the simple fact is that if it didnt come with a 3 pos switch then it wasnt ment to be. I tried to save money and found that its just easier to buy the R. Good luck! Buy the R.

rock addict · 08-20-2009, 09:11 PM

pm jamison workshop, he keeps the menu on servo reverse and uses the 3 rd channel. to make it there position he switch from rev. to normal. I think he does this by setting the travel of the servo. so 50% rev and 50% nor. would give you 3 positions. dudes smart look him up. you should be able to find him in the maryland section

mrklaw · 08-21-2009, 02:55 AM

there have been threads about this before I think. Summary seems to be that its software controlled, so even if you replaced the 2-way with a 3-way switch, it wouldn't make any difference.

You should still be able to mix the third channel in with the steering if you want permanent 4ws, but its not much use for a full dig or gear change or winch.

If you don't want the expense of the DX3R, the only other spektrum pistol radio that does what you want is the lowly DX3 (not 3.0, just 3). Discontinued now, but you can pick up used ones cheaply as people upgrade them. Has a proper 3-way switch on the grip and can be set to linear or 3-pos mode in the software

its a good, relatively cheap option for a crawler pistol radio

08-18-2009, 05:13 AM	#1
lobi1kanobi Pebble Pounder Join Date: Oct 2008 Location: KY Posts: 126	dx3s hey guys i was wondering if any one out there had went into there dx3s and tryed to make the 2 pos switch a 3 ( yes i know thats what they make the 3r for but thinkin of tryin to save some money) let me know thanks

08-18-2009, 11:31 AM	#2
K_B I wanna be Dave Join Date: May 2005 Location: Anchorage, Alaska Posts: 2,048	It wouldn't be as simple as soldering in a 3-position switch I don't think. There's a tech article on how to convert an Airtronics MX-3 2P switch. I would imagine it would be a similar process to convert the DX3S; it's not a simple procedure... http://www.rccrawler.com/mx3.htm

08-20-2009, 03:13 AM	#3
customcrawlerV1 Newbie Join Date: Mar 2009 Location: Shakespeare Country (stratford) Posts: 16	im getting confused nw, there are a couple of threads about this but i have a dx3s nd it dosnt even have a 2 pos switch unless there is a war of useing the timer start/stop button. as far as i know, the only use for the third chanal is for a second steering servo so you have both controlled by the wheel.

08-20-2009, 08:28 PM	#5
TNTCrawler Newbie Join Date: May 2009 Location: San Diego-East County Posts: 40	I ran into this with an MX3 and the simple fact is that if it didnt come with a 3 pos switch then it wasnt ment to be. I tried to save money and found that its just easier to buy the R. Good luck! Buy the R.

08-20-2009, 09:11 PM	#6
rock addict Quarry Creeper Join Date: Dec 2008 Location: other side of the track,the bad side Posts: 241	pm jamison workshop, he keeps the menu on servo reverse and uses the 3 rd channel. to make it there position he switch from rev. to normal. I think he does this by setting the travel of the servo. so 50% rev and 50% nor. would give you 3 positions. dudes smart look him up. you should be able to find him in the maryland section

08-21-2009, 02:55 AM	#7
mrklaw Pebble Pounder Join Date: Jul 2009 Location: Windsor, UK Posts: 141	there have been threads about this before I think. Summary seems to be that its software controlled, so even if you replaced the 2-way with a 3-way switch, it wouldn't make any difference. You should still be able to mix the third channel in with the steering if you want permanent 4ws, but its not much use for a full dig or gear change or winch. If you don't want the expense of the DX3R, the only other spektrum pistol radio that does what you want is the lowly DX3 (not 3.0, just 3). Discontinued now, but you can pick up used ones cheaply as people upgrade them. Has a proper 3-way switch on the grip and can be set to linear or 3-pos mode in the software its a good, relatively cheap option for a crawler pistol radio

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