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Re: (ET) Fw: AM-48 Sickle Mower

Also note: For the size and power I think PM motors are lighter so there is that. And the E10 sized motor on my blower worked *exceptionally* well last fall, just needed magnets re-glued and new bearings.
Meantime still mowing away here: Fixed the deck shocks, and other than that things have been very quiet. I keep meaning to put in a set of contators on each of the battery strings to isolate them when the tractor's not running, I think paralleled NiCDS will tend to self discharge into each other over a couple of weeks. But it runs great so I keep putting ideas like that onto the round tuit pile :-) 

C

On 8/3/2020 8:41 AM, Mike Wallace wrote:

Chris,
I can’t help you with info about that GE 8886 motor, but I do have info on some of the PM field motors Elec-Traks used for blade and drive motors.
“Back in the day”, those PM motors were made by a company in Rockford, Illinois called Applied Motors. But they too no longer exist under that name.
The E10 drive motor was probably a part number BA3640-1185 and was rated at 1¼ HP and 3500 RPM.
The 4 ½” deck motors were rated at 1/4 or 1/3 HP and 1800 RPM depending, I think, on their overall length. The 36” cut deck motors were the tallest/most powerful as they were swinging an 18 1/2” blade as opposed to the 42” cut deck motors that used a 14 ½” blade.
You might want to consider an E14 drive motor as it was more powerful than the E10 motor, but I don’t have reliable data on that PM motor. But I do have an E14 motor that I’ll probably never need/use.
Keep in mind that although some folks thought that say an E10 was 10 HP, it was only 1 1/4 HP. But it was sort of equivalent to a 10 HP ICE with respect to torque.
I can still remember dragging a 14 HP Cub Cadet backwards uphill in a tug of war experiment on the street in front of my house. 

Mike Wallace

*From:*Frontier Yahoo Mail [mailto:weinreich frontiernet net]
*Sent:* Sunday, August 2, 2020 9:58 PM
*To:* Elec-trak cosmos phy tufts edu
*Subject:* (ET) Fw: AM-48 Sickle Mower
Let's try this again shall we, this time with the message. I am looking for assistance to "electrify" a Haban 405 sickle mower into an Elec Trak AM 48. I have been looking for references to the GE 8886 mower used on the AM 48. I have been told that the GE line has been sold off so many times that there is no possible way of cross referencing that part number. Chris Zach recommended trying an E-10 drive motor of which I do not have access to and don't wish to purchase if a lighter alternative is available. eBay has a listing for a GE 5BPA34NAA4 , supposedly off a Lawn Boy Electric. I looks just like the older tall motors used on the front mount Elec Trak rotary mower decks. I have never seen HP or RPM specs. on those motors. Conversely I do not know the HP or RPM data for the 8886 motor either. As anyone who has handled one of these sickle mowers knows they are bulky and awkward enough without adding a large diameter heavy electric motor like one from a fork lift or golf cart. Just for comparison, I have a Jari 36" walk behind sickle mower, which at times requires nearly all of the 4 HP that the B&S ICE engine on it produces. So any tips on this project 
would be most appreciated.

Many thanks,

Chris Weinreich
Northwest Iowa

----- Forwarded Message -----
*From:*Frontier Yahoo Mail <weinreich frontiernet net <mailto:weinreich frontiernet net>>
*To:*"elec-trak cosmos phy tufts edu <mailto:elec-trak cosmos phy tufts edu>" <elec-trak cosmos phy tufts edu <mailto:elec-trak cosmos phy tufts edu>> 

*Sent:*Sunday, August 2, 2020, 09:30:53 PM CDT

*Subject:*AM-48 Sickle Mower



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