Kamis, 15 Agustus 2013

What is the best way to convert a gas powered lawn mower to electric power? Best batteries?

best lawn mower for 6 acres on Ardisam Earthquake CS10 Petrol Chipper Shredder
best lawn mower for 6 acres image



justwannak


The yard I mow with the mower I want to convert is almost 5 acres. What's the ideal mower to use for converting purposes?


Answer
Any mower will do.
There is 2 ways of doing this.
First is to take a riding lawn mower and remove the engine and axle. Replace the axle with an electric transaxle (These are quite common these day), look for one that is minimum 1000 to 1200 watts. You will need a motor controller for this and throttle (There are foot pedal throttles.), make sure the controller has a reverse function on it. Then you will need a motor (At least 1hp to run the blades - single blde of 36", 2hp for multiple blades)

or, use a lawn mower that has a hydrualic transaxle (very common these days) on it. This way you don't have to purchase a new axle and controller. With this you will need at least a 3hp DC motor that runs at 3500-3700rpm.

Most mowers now use a belt system to transfer power from the motor to the axle and blades.

Now batteries.....this is where it gets expensive. It needs batteries that have a high amp output(Discharge rate), with a high aH (Amp Hour)..and if you use a 24, 36 or 48DC motor, these can range from $300 to $1000 each. (i.e. golf cart batteries which are generally 6 volts). Or you can go for some exoctic battery packs, but these can run $1200 - $3000.

This is why the major manufactuers like Deere don't have any models really to speak of. It's not the cost of manufacturing the battery riding mower, which is about the same as a gas mower, but it is the cost of the batteries. (Say a $1400 riding gas mower, would be about $3500 - $4500 as a battery mower.)

There are some great sites out there for batteries and motors. You can search under "EV", electric vehichle supplies.

By the way, I am making a riding battery lawn mower for myself right now for my 2 acres.

What brand of a zero turn mower doe's the best job at cutting grass?




Steve H


I now have a zero turn mower but if I go full speed it doe's not cut the grass perfect, there are some blades of grass that don't get cut.


Answer
I have a Hustler Z turn mower. They were the inventor of the zero turn lawn mower and I love it. Mine is a Fastrak model, which is the consumer model made for people cutting once or twice a week with lawns around 1 to 5 acres. The cost is fairly hefty ($5,300) but not much more than the much less quality Zturn mowers you will see a Lowe's or Home Depot. It gets much more expensive if you are to look into the professional lawn mowers. ($6-8k) Since mine mows with a 54 inch cut at 8 mph it works great.

If your yard is flat you can go with a larger cut, but if you have a hilly landscape you will want a smaller deck.
Something else to consider is what brand of Motor. You will usually find a choice of motor in a higher end mower. I have looked around and if you check out many of the professional landscapers around here you will find what ever brand lawn mower - the engines are usually made by Kawasaki. I guess that they have the most torque.

To keep the cost down I actually went in partners with a neighbor friend. I wouldn't recommend that to just anyone, but we wrote up a contract and it works for us.

Best of luck in your research.




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