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Construction Equipment Tech Hydraulics, Electronics, General Engineering, ect in constr equip |
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#1
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Excavator/crane radio setup?
I know this has been discussed before but, how do you guys run and excavator on a 2 stick radio? It would be nice on my crane to flip a switch and have the same stick run the drive/steer and then rotate/ boom switched the other way.
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Scott "No load is too Small" |
#2
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Re: Excavator/crane radio setup?
Leimbach has this 2x 6ch device that'll allow you do that Scott. But then you can't "walk" up a steep hill using the arm with the tracks. Using a radio with proportional sliders between the sticks is ideal.
First ever lifesize excav I ran was a 40mt Hitachi, which was at the same time I was building my first model excav, so I set my tx sticks the same way. lft stk up/dwn = boom across= swing rht stk up/dwn = stick across = bucket Caterpillar is some other goofy way like S/S B/B or vice versa. |
#3
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Re: Excavator/crane radio setup?
Quote:
I could leave the right stick out of the harness and I would only have to flip the switch temporarily if I need to rotate the boom while driving. Where is the best place to buy this? lft stk up/dwn = boom across= swing rht stk up/dwn = stick across = bucket This is how I have mine setup as well.
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Scott "No load is too Small" |
#4
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Re: Excavator/crane radio setup?
Actually the more I think about it, I could just have a servo activated switch setup as a "Y" to just the servo ground wires and use my 5th channel to select which servos have power when I need them. That way I could run the boom, rotate, drive & steer all from the left stick. I am thinking I might need the bucket to help pull me up hills.
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Scott "No load is too Small" |
#5
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Re: Excavator/crane radio setup?
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Most crane/draglines don't have independent swing and travel so you wouldn't be losing anything as far as realism goes. On the other hand, it would drive me nuts to have to run a 1:1 excavator without being able to travel and use all the other functions at the same time. How are you planning to drive the tracks? My idea was to bury servos inside the carbody under the swing circle with sprockets on them sticking out either side and running chains back to the drive tumblers. |
#6
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Re: Excavator/crane radio setup?
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Scott "No load is too Small" |
#7
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Re: Excavator/crane radio setup?
Joe, are there any 2.4 ghz radios that have this?
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Scott "No load is too Small" |
#8
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Re: Excavator/crane radio setup?
Scott, I have a Futaba 12FG, and while it does not have sliders in the center of the radio, near the main sticks, it does have a set of sliders along the sides of the radio, where you can easily move them with your thumbs, or index fingers from below. The sliders actually pivot at a central point (kind of like a knob, but they are more like double ended short sticks), and that is why your index fingers can adjust them from below, or your thumbs from above. Hard to explain, but they are comfortable to operated, and you can assign them to any channel you like using the programming features. They aren't self-centering, but they do have a neutral point. This radio is also 2.4 giga-hertz out of the box. Might be worth looking into. If you would like some pictures, I could get you some, to help you better understand those adjustable sliders/sticks.
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Nathan |
#9
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Re: Excavator/crane radio setup?
Thanks Nathan, I have a JR X9303 and just realized it has sliders on both sides, lol. But, I do not want to use my Heli radio to run construction equipment because the radio gets very dirty. It seems like it would be hard to find neutral using sliders and you might end up burning up a motor by leaving it on slightly for hours while digging? I did some searching and there are quite a few radios that have dual sliders. I just need to find the least expensive 2.4 ghz radio that has dual sliders. So far the least expensive one I have found is the Hitec Optic 6.
Another option would be a radio with two 3 position switches (X9303 has this) to run the tracks because they would run so slow that switching them on and off would probably be fine.
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Scott "No load is too Small" |
#10
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Re: Excavator/crane radio setup?
Scott. I don't know if your interested or not but this is what I'm going to use on future excavator build
It's a four channel remote used for door locks and trunks for full sized autos. There are four latching relays that will give you tracks forward and reverse both sides and you wouldn't to run wires to the car body. It says 12 volts and I just tried it and it works on 7.2 if you need to. Card size is 4 1/2 x 3x 3/4 thick. I bought them up here for $20.00 a unit. Rob |
#11
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Re: Excavator/crane radio setup?
Scott, finding neutral can be tricky on sliders, but I do know my radio sounds off an audible beep when I get the sliders there. I wouldn't be surprised if other radios also have this feature. You certainly can't miss with a three position switch. At the slow speeds the tracks will run at, I doubt you will have any problems keeping the model running smooth.
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Nathan |
#12
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Re: Excavator/crane radio setup?
Don't know.
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