{"product_id":"jmi-motor-upgrade-for-universal-wheeley-bars","title":"JMI Motor Upgrade for Universal Wheeley Bars","description":"\u003cp\u003eThe \u003cstrong\u003eJMI Motor Upgrade\u003c\/strong\u003e adds a motorized drive to your existing Universal Wheeley Bar, converting it into a powered telescope dolly. Rather than pushing or pulling your loaded imaging rig manually, the motor does the work — ideal for heavy setups, long transit distances, limited mobility situations, or backyard observatories where powered roll-out is part of an automated workflow.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003ePrerequisites — Required Before Ordering\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Motor Upgrade cannot be installed without both of the following already on your Wheeley Bar:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003e10″ Pneumatic Wheel Upgrade\u003c\/strong\u003e — required (motor drives the rear pneumatic wheels)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBattery Pack Holder\u003c\/strong\u003e — required (motor draws power from a battery mounted on the dolly)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eDo not order the Motor Upgrade without confirming both items are already installed on your Wheeley Bar.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eTwo Versions — Select by Leveling Screw Type\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNew Style (TPWMTR-NLS-UPG):\u003c\/strong\u003e For Wheeley Bars with leveling screws that thread through a metal block in the leg — current manufacturing standard.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eOld Style (TPWMTR-OLS-UPG):\u003c\/strong\u003e For Wheeley Bars with leveling screws that thread through a nut welded onto the end of the leg — older manufacturing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eInspect your Wheeley Bar leg ends to determine which version you have. If unsure, contact us with a photo before ordering.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eWho Is This Product Best For?\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eObservers and imagers with heavy rigs who regularly cover significant distances between storage and observing position — particularly those with physical limitations, very heavy setups, or permanent observatory configurations. Also suited for automated roll-out workflows at semi-permanent dark-sky sites.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eCurrent Availability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eThe Motor Upgrade is subject to availability and lead times. Contact us before ordering to confirm stock and lead time. We will advise on the correct version for your specific Wheeley Bar model and configuration.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFrequently Asked Questions\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I add this to any Wheeley Bar?\u003c\/strong\u003e\u003cbr\u003e\nOnly Universal-style Wheeley Bars (Medium, HD Medium, HD Large) with 10″ pneumatic wheels and a Battery Pack Holder already installed. Not compatible with Dobsonian-style Sky Trekker or Triangle models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes it require any wiring or electrical work?\u003c\/strong\u003e\u003cbr\u003e\nThe motor kit is a self-contained add-on that connects to your battery pack on the dolly. No permanent wiring or electrical installation is required beyond the mounting hardware.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat battery pack do I need?\u003c\/strong\u003e\u003cbr\u003e\nAny standard field astronomy battery pack that fits the Battery Pack Holder and supplies sufficient current. Contact us for specific recommendations based on your setup.\u003c\/p\u003e","brand":"JMI","offers":[{"title":"New Style — Block-Thread Leveling Screws","offer_id":53298011439215,"sku":"TPWMTR-NLS-UPG","price":1177.3,"currency_code":"CAD","in_stock":true},{"title":"Old Style — Welded-Nut Leveling Screws","offer_id":53298011471983,"sku":"TPWMTR-OLS-UPG","price":1177.3,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0686\/0049\/6239\/files\/doublebattery-1_9ec7dab3-faa9-4e02-a817-b51a7deaa8fa.jpg?v=1781737816","url":"https:\/\/ontariotelescope.com\/products\/jmi-motor-upgrade-for-universal-wheeley-bars","provider":"Ontario Telescope and Accessories","version":"1.0","type":"link"}