Tracked Vehicle Radio Help
 

I have a project I am working on that I am looking for some help on. I picked up a DX5e that I believe will handle what I want but Im looking for some help. I only have the controller right now and need to know what receive I need to pick up. Here is what I am hoping to do with the controls.
The project is a scale Bobcat skid steer. 4 ESC Motor combos will run all functions on this.


Left stick:
Up=Forward
Down=Backwards
Left=right forward, left back
Right=left forward, right back
(If i can i would like it to have the ability to make soft turns when at a 45 angle


Right stick:
Up=Raise Boom
Down=Lower Boom
Left=Tilt Bucket
Right=Raise Bucket

I have no idea about any air stuff and have only used 3 channel ground radios. Any help would be great.

Re: Tracked Vehicle Radio Help
 

Look into modding the left stick into self centering like the right stick. Then you could have something like this:

Left stick:
Up - Left track forward
Down - Left track back
Left - Boom up
Right - Boom down

Right stick:
Up - Right track forward
Down - Right track back
Left - Bucket tilt up
Right - Bucket tilt down

Re: Tracked Vehicle Radio Help
 

the steering and throttle will require mixing. a 5e may not have enough custom mixes to do that. especially if you want porportional steering, while moving forward/back. ie not just stop and pivot.

also 2 motors and 2 esc should be enough right? like a tank?

im counting 4 channels total with your functions so you should have enough channels.

svts stick layout would make your life alot easier

Re: Tracked Vehicle Radio Help
 

The boom and bucket will also run on worm gear setups powered by esc also.

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Re: Tracked Vehicle Radio Help
 

I figured that would be possible and more scale but the original request I figured would be easier for my 5 year to drive it also. If needed I could do this instead of getting a new radio.

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Re: Tracked Vehicle Radio Help
 

i did something like this a few moons ago with an old tamiya tank and 2 esc's.

i had to use a dx6i in the end as i had to use some of the inbuilt mixes so i could have drive functions on one stick and turret on the other, so it seems like as mentioned you may have to look at a programmable radio or spend some time consulting the almighty google for any electronics available to do this..........

or maybe send a message to heyok and see if he is able to whip up a custom mixer for you to add inline to the esc's and rx outputs "thumbsup"


tony

Re: Tracked Vehicle Radio Help
 

Might be cool to build a controller that would watch steering and throttle signals and output two ESC signals.
Have to think about that one.

Re: Tracked Vehicle Radio Help
 

If I did something like this method would anyone know what receiver I would need to purchase?

Re: Tracked Vehicle Radio Help
 

if your dx5e came with an ar500 then that should be good for your needs as you will need the 4 channels ( ail, elev, rud, thr ).

fwd/back would be done with throttle and elevator channel for each driven side ( left/right) and then leaving rudder and aileron channels for boom/bucket functions pretty much giving you control similar to a full size skid steer and a 5th channel left for an extra function, maybe lights or something else.

as mentioned earlier you would need to replace the throttles ratchet system back to a spring return to centre setup but that shouldnt be a problem.



tony

Re: Tracked Vehicle Radio Help
 

Thank you, I didn't get a receiver worth the radio so I was kind of lost as to what to get. Would a six channel one work and only use 5 of them? I can get a few of those cheap right now.

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Re: Tracked Vehicle Radio Help
 

as long as its a spektrum air rx and a protocol the dx5e can work with ( dsmx/dsm2 ) then it should be fine, but be cautious as at some point the chineses orange rx spektrum compatible receivers have been known to not work with some newer radios but that could have changed and been fixed now.


tony

Re: Tracked Vehicle Radio Help
 

Sabortooth esc. Read up in it its what we use in blizzards and will do a lot of what your asking

Re: Tracked Vehicle Radio Help
 

Look at Hobbyking V-tail mixer for airplane.
I drive a Kyosho Blizzard with my DX4C

Re: Tracked Vehicle Radio Help
 

I use a airtronics mxv to drive all 3 of mine I use the sabortooth on the one with 2 motors