{"product_id":"wosp-lmdril001-ve-dynator-dynamo-style-12v-50a-fits-riley-12-4-9-50a-dynator-ve-ground","title":"WOSP LMDRIL001+VE Dynator (Dynamo Style) 12V 50A fits Riley 12\/4 \u0026 9 50A Dynator (+VE Ground)","description":"\u003ch3\u003eApplications\u003c\/h3\u003e\u003cul\u003e\u003cli\u003eRiley 12\/4 \u0026amp; 9 (without rear drive) Replacing Rotax AT145 dynamo \/ generator\u003c\/li\u003e\u003c\/ul\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eVoltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e12V\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePolarity\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e+VE\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eAmps\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e50A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePulley Drive\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIncludes Front Drive\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003cp\u003e6V and 24V units are not available as self-exciting (single wire hook-up).\u003c\/p\u003e \u003cp\u003eDynators, unlike the dynamos they are replacing are polarity sensitive.\u003c\/p\u003e \u003cp\u003e90A version - This increase in output is yielded at higher rpm therefore 'HO' units often need 2-3 times more speed for output and cooling. They are considerably less efficient than a standard unit at low rpm.\u003c\/p\u003e \u003cp\u003e'SD' (super-duty) Dynator (95A) gives high output at low RPM but body Ø increases to 5\".\u003c\/p\u003e \u003cp\u003eTo make a super-duty (SD) unit even higher output by re-winding and uprating (170A) select the 'SD-HO' version. Operational speeds need to increase slightly.\u003c\/p\u003e \u003cp\u003eUnless the part number is superseded with suffix -LS or -HO, then work on the basis that the Dynator has a turn on speed of 1250rpm.\u003c\/p\u003e \u003cp\u003eSome units spin at 1:1 or less than engine speed, therefore low or no charge at idle E.G. ALVIS \/ BEN001 \/ FER001 \/ MGM001 \/ RIL.\u003c\/p\u003e","brand":"WOSPerformance","offers":[{"title":"Standard (50A)","offer_id":56009113403771,"sku":"WOSP-LMDRIL001+VE","price":1884.0,"currency_code":"GBP","in_stock":true},{"title":"High (90A)","offer_id":55488494895483,"sku":"LMDRIL001+VE-HO","price":2328.0,"currency_code":"GBP","in_stock":true},{"title":"Super Duty (95A)","offer_id":55488494928251,"sku":"LMDRIL001+VE-SD","price":2304.0,"currency_code":"GBP","in_stock":true},{"title":"Super Duty High Output (170A)","offer_id":55488494961019,"sku":"LMDRIL001+VE-SD-HO","price":2424.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0713\/4593\/0562\/files\/noImage_95555aa2-b5c3-4d8c-afc7-b70063a58d97.jpg?v=1767784010","url":"https:\/\/www.greasejunkie.com\/products\/wosp-lmdril001-ve-dynator-dynamo-style-12v-50a-fits-riley-12-4-9-50a-dynator-ve-ground","provider":"Grease Junkie by Edd China","version":"1.0","type":"link"}