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General Skidsteer & Technical Topics
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Brush chipper
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<blockquote data-quote="nirias" data-source="post: 16064" data-attributes="member: 1018"><p>I have a s220 with 70hp I believe. The hydraulics are 37 gpm on high flow. The OEM setup on the chipper is a large double fan belt from the cutting disk to the motor. The cutting disk is around 200+ lb and does most of the cutting using rotational momentum, so after a big branch gets chipped the motor needs to build rpms again. In theory if a really large branch jammed up the cutting disk, the fanbelts would slip to protect the motor. For a hydraulic setup I was thinking of just direct coupling the hydraulic motor to the cutting disk and counting on the loader's overload valve to protect the motor should the cutting disk jam (essentially how the fan motor on my Erskine snowblower is set up). Do you think I need a separate over pressure relief rather than relying on the loader's relief valve?</p></blockquote><p></p>
[QUOTE="nirias, post: 16064, member: 1018"] I have a s220 with 70hp I believe. The hydraulics are 37 gpm on high flow. The OEM setup on the chipper is a large double fan belt from the cutting disk to the motor. The cutting disk is around 200+ lb and does most of the cutting using rotational momentum, so after a big branch gets chipped the motor needs to build rpms again. In theory if a really large branch jammed up the cutting disk, the fanbelts would slip to protect the motor. For a hydraulic setup I was thinking of just direct coupling the hydraulic motor to the cutting disk and counting on the loader's overload valve to protect the motor should the cutting disk jam (essentially how the fan motor on my Erskine snowblower is set up). Do you think I need a separate over pressure relief rather than relying on the loader's relief valve? [/QUOTE]
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