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[CA11] Mechanical Linear drive
08-28-18, 03:02 PM (This post was last modified: 08-29-18 02:15 PM by Chuck - Raymarine - Moderator.)
Post: #1
[CA11] Mechanical Linear drive
I have a St4000 MK2 Wheel pilot. I was wondering if I could connect a Type 1 Mechanical Linear Drive to my ST4000 Corepack computer to replace the wheel drive unit.
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08-29-18, 02:21 PM
Post: #2
RE: [CA11] Mechanical Linear drive
Welcome to the Raymarine Forum Accesspointer,

The ST4000/ST5000/ST4000+/ST5000+ autopilots were designed to support the following drive units:
- Wheel Drive
- Type 1 Linear Drive
- Type 1 Hydraulic Pump
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05-06-19, 01:35 PM (This post was last modified: 05-06-19 03:52 PM by Chuck - Raymarine - Moderator.)
Post: #3
RE: [CA11] Mechanical Linear drive
So, having a ST4000 wheelpilot (w/ the wheel drive worn out) and a Type 1 drive - how do I set up the ST4000 to control the Linear 1 drive?
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05-06-19, 03:56 PM (This post was last modified: 05-06-19 03:59 PM by Chuck - Raymarine - Moderator.)
Post: #4
RE: [CA11] Mechanical Linear drive
juliethoteloscar,

The connections and setup are essentially the same as have been specified with the ST5000+ Sail Drive's Owner's Manual. Simply connect the Type 1 Mechanical Linear Drive's motor leads to the Drive terminals of the ST4000/ST5000/ST4000+/ST5000+. Connect the Type 1 Mechanical Linear Drive's Clutch+ lead to the Clutch+ terminal of the ST4000/ST5000/ST4000+/ST5000+. Finally, connect the Type 1 Mechanical Linear Drive's Clutch+ lead to the Clutch+ terminal of the ST4000/ST5000/ST4000+/ST5000+.
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10-09-19, 08:02 AM
Post: #5
RE: [CA11] Mechanical Linear drive
Also having a ST4000+ with a worn-out (and to weak) wheeldrive I am as well considering a linear drive. Can you please again verify that the ST4000+ can provide sufficient current for the M81130 and what is the max. current the ST4000+ can provide?
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10-09-19, 09:56 AM
Post: #6
RE: [CA11] Mechanical Linear drive
Welcome to the Raymarine Forum Relax,

A Type 1 Linear Drive may indeed be used with a ST4000+ autopilot and owners would commonly replace wheel drives from such systems with Type 1 Linear Drives. However, it will be necessary to enter Dealer Cal to configure the autopilot as a ST5000 Sail. Thes ST4000+ and ST5000+ were identical with respect to their power output capabilities. The specification for these autopilots indicated 0.5 A and 1.5 A current draw depending on drive type, boat trim,helm load and sailing conditions.
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