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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Norvin Weight
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<blockquote data-quote="Little Honda" data-source="post: 40597" data-attributes="member: 667"><p>Many times in the past I witnessed discussions about the pro´s and con´s concerning Norvins. One of the better reasons against the convertion was always: "It´s heavier than the standard Vincent." Only today I decided to find it out. As I am assembling my engine at</p><p>present and are planning to better springing and damping of my Norvin, I wanted to find the correct values for spring rates and damping</p><p>front and rear. Therefor, I weighed my frame wheel by wheel with a good platform scale, by hanging the other wheel in its centreline.</p><p>Thereafter, I put my engine (cases with flywheels in) plus all other loose engine parts on the scale. Finally, the rest, consisting of silencer,</p><p>battery, footrests and some other small parts.</p><p>Result: Frame complete on wheels: front 50kgs, rear 53kgs</p><p> Engine (BS): 77kgs</p><p> Rest : 20kgs</p><p>Total dry weight : 200 kgs</p><p>Now you can compare this to any modern 1000cc- motorcycle, 4, 3, or 2-cylinder: not bad for a 53-year old bike, and: 6 kgs less than the</p><p>standard Rapide!</p><p>From my first riding experiences on it last year and from what I am expecting from the Maxton-modifications to the roadholders and girlings on the rear, I am sure, it will be a pleasure to ride!</p></blockquote><p></p>
[QUOTE="Little Honda, post: 40597, member: 667"] Many times in the past I witnessed discussions about the pro´s and con´s concerning Norvins. One of the better reasons against the convertion was always: "It´s heavier than the standard Vincent." Only today I decided to find it out. As I am assembling my engine at present and are planning to better springing and damping of my Norvin, I wanted to find the correct values for spring rates and damping front and rear. Therefor, I weighed my frame wheel by wheel with a good platform scale, by hanging the other wheel in its centreline. Thereafter, I put my engine (cases with flywheels in) plus all other loose engine parts on the scale. Finally, the rest, consisting of silencer, battery, footrests and some other small parts. Result: Frame complete on wheels: front 50kgs, rear 53kgs Engine (BS): 77kgs Rest : 20kgs Total dry weight : 200 kgs Now you can compare this to any modern 1000cc- motorcycle, 4, 3, or 2-cylinder: not bad for a 53-year old bike, and: 6 kgs less than the standard Rapide! From my first riding experiences on it last year and from what I am expecting from the Maxton-modifications to the roadholders and girlings on the rear, I am sure, it will be a pleasure to ride! [/QUOTE]
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Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
Norvin Weight
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