Interested to see what you come up with. The biggest problem with all electrical attempts is the exposure to mud, crud and water.
The sliding piston on your example would be exposed to the above.
Ok, so I'm keen to get some sort of CDL actuator happening on the D2. Having spent a good while researching this topic, I've decided that I'm not going to look at fitting an aftermarket cable-operated actuator, mainly due to the cost involved. As an electrical engineer I'm somewhat biased towards an electrical solution
I initially tried to use a door central locking actuator, but it doesn't have quite enough 'muscle' to disengage the CDL once engaged.
So, I've upped the ante and bought one of these electric actuators:
ECO-WORTHY 2" (50mm) Stroke Linear Actuator 1500N 12V 5.7mm/s |Eco-worthy
It generates 1.5kN so is more than capable of operating the CDL, but I now need to come up with a cunning plan to install...
If anyone out there has been down a similar path and can offer some advice, it would be very much appreciated!
Interested to see what you come up with. The biggest problem with all electrical attempts is the exposure to mud, crud and water.
The sliding piston on your example would be exposed to the above.
As roverlord said,
The actuator needs to live in the engine bay or in a waterproof protective box. Once you have protected it and worked out a cable pull/push mech, sorted.
Morse cable have been offered up before as a solutions for this.
I agree with the others . It has been tried and prolems persist in the off road inviroment and its not a just LR thing either![]()
I really don't understand why you would go past a simple push pull cable and t handle or similiar, as an effective, relatively elegant, and completely reliable solution. Each to their own though.
Cheers
He's an Engineer - they always look for the complex solution (jokes)
could you have this same actuator pulling a cable or rod? Maybe this way you could shield the motor a bit more from water and mud. I just went with a setup that piggy backs off the high low linkage so I can get Cdl engaged but only in low range I figured my disco was pretty capable if I need Cdl locked I'll probably be in low range anyway
The problem with a push pull cable is price and getting something to look nice in the cab. It would look at home in a defender but not in a disco. It is also nicer to just have a switch to lock and unlock the centre diff. As it isn't an everyday use item it should be ok on top of the gearbox and maybe mount some type of deflector shield on it just to push away the water on those river crossings! The unit does look reasonably sealed up and isn't exposed to the elements as such.
Hmm - I hadn't thought of that. The cost of push-pull 'control' cables is a bit high tho. Few cheapies on ebay but not sure if they'd be up to the job though. My local marine store stocks a fair range, but they start at about 50 bucks for a short one and go up from there.
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