The Spares Company
Club Shop/Regalia
Parent Website
Contact Officials
Machine Registrar
Club Secretary
Membership Secretaries
MPH Editor and Forum Administrator.
Section Newsletters
Technical Databases
Photos
Home
What's new
Latest activity
Forums
New posts
What's new
New posts
Latest activity
Information
Bike Modifications
Machine Data Services
Manufacturers Manuals
Spare Parts Listings
Technical Diagrams
Whitakerpedia (Vincent Wiki)
The Club
MPH Material Archive
Flogger's Corner
Obituaries
VOC Sections
Local Sections
Local Section Newsletters
Miscellaneous
Club Assets
Club History
Club Rules
Machine Data Services
Meeting Documents
Miscellaneous
Essential Reading
Magazine/Newspaper Articles/Letters
Adverts and Sales Brochures
The Mighty Garage Videos
Bikes For Sale (Spares Company)
Log in
Register
What's new
New posts
Menu
Log in
Register
Install the app
Install
Home
Forums
Forums: Public Access
Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
The best set up? Tips on how to rebuild an un-matching Rapide, All input welcome!
JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding.
You are using an out of date browser. It may not display this or other websites correctly.
You should upgrade or use an
alternative browser
.
Reply to thread
Message
<blockquote data-quote="Spqreddie" data-source="post: 37076" data-attributes="member: 1009"><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">Dear All,</span></span></span></p><p><span style="font-family: 'Calibri'"><span style="font-size: 12px"><span style="color: #000000">This is Eddie (currently living away in a country where there are no Vincent, no special tools nor specialized machine shops..) </span></span></span></p><p><span style="color: #000000">I was finally able to acquire a twin which I’ll be starting soon to slowly rebuilt (bike is in Europe, I’m not) </span></p><p><span style="color: #000000">Being away I’m not in hurry, but I’m pushing to have it completed as soon as possible trying not too lose much time.</span></p><p><span style="color: #000000">The machine is a 48 Rapide (acquisition object of a previous post: <a href="http://www.vincentownersclub.co.uk/showthread.php?5350-help-to-determine-authenticity-and-value-of-1017-cases" target="_blank">http://www.vincentownersclub.co.uk/showthread.php?5350-help-to-determine-authenticity-and-value-of-1017-cases</a> ) which I’m willing to rebuild to be used as much as possible once back in home. As it’s not a matching number, am not looking for a concourse rebuilt but for a reliable enjoyable bike.</span></p><p><span style="color: #000000"></span></p><p><span style="color: #000000"></span><span style="color: #000000">I’ve already some ideas but I would like to get your expert advice and i'm sorry if some of the questions have already been treated in previous posts.</span></p><p><span style="color: #000000">First of all, i'will be sending the cases (as were welded around the front primary sprocket) for wrapping check to <span style="font-family: 'Arial'">Maughan.</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">I’ll also ask them to rebuild and balance the crank for me, and here the first question: piston compression which is the best one for road use and long engine life? 7.3 as per Shadow or 8 as per modern fuel allowance? More than 8 become too extreme?</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">My idea would be 8:1.</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">After the bottom end is done, to complete the lower engine part I would need to source a gearbox..again which is the best compromise for fast road use? Rapide or shadow first gear? There is really a difference? I was of couse thinking about shadow specs for the gear box. I’m not interested in a 5 speed type.</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000"></span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000"><span style="color: black"><span style="font-family: 'Arial'">As my primary cover is already modified for accepting a multiplate clutch (separate clutch chamber has been cut away) I was thinking to stick with it instead of the original one. Any major inconvenience with that? Is it true that mutliplate clutch allows for quicker gear changing?</span></span></span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000"></span></span><span style="font-family: 'Arial'"><span style="color: #000000">And what about the cams and timing chest? MKII or 105?? MKII are to extreme and reduce fuel mileage? 105 still good at all revs? Low torque granted? Top speed ok?</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">Idler and gears to be lightened with holes??</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">My idea is for the time being Gary Robinsons 105.. but open to suggestion..</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">Cylinder heads, I don’t have them, so again I’m pretty free here. I was thinking about Goddens complete heads (front and read, not two front) ported to take shadow specs carb 1 1/8.</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">For carbs? Again I’m not bind to originality, but just looking for good street performance and reliability so was thinking about a monoblock 389 series as per D shadows. Concentric would be better? Gardner or other are too extreme??</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">Last thing for this afternoon (more to follow..) magneto: Lucas or electronic BTH?? BTH is for now my choice and was also thinking about an Alton 12v generator.</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">Thanks to all,</span></span></p><p><span style="font-family: 'Arial'"><span style="color: #000000">Eddie</span></span></p></blockquote><p></p>
[QUOTE="Spqreddie, post: 37076, member: 1009"] [FONT=Calibri][SIZE=3][COLOR=#000000]Dear All,[/COLOR][/SIZE][/FONT] [FONT=Calibri][SIZE=3][COLOR=#000000]This is Eddie (currently living away in a country where there are no Vincent, no special tools nor specialized machine shops..) [/COLOR][/SIZE][/FONT] [COLOR=#000000]I was finally able to acquire a twin which I’ll be starting soon to slowly rebuilt (bike is in Europe, I’m not) Being away I’m not in hurry, but I’m pushing to have it completed as soon as possible trying not too lose much time.[/COLOR] [COLOR=#000000]The machine is a 48 Rapide (acquisition object of a previous post: [URL]http://www.vincentownersclub.co.uk/showthread.php?5350-help-to-determine-authenticity-and-value-of-1017-cases[/URL] ) which I’m willing to rebuild to be used as much as possible once back in home. As it’s not a matching number, am not looking for a concourse rebuilt but for a reliable enjoyable bike. [/COLOR][COLOR=#000000]I’ve already some ideas but I would like to get your expert advice and i'm sorry if some of the questions have already been treated in previous posts.[/COLOR] [COLOR=#000000]First of all, i'will be sending the cases (as were welded around the front primary sprocket) for wrapping check to [FONT=Arial]Maughan.[/FONT][/COLOR] [FONT=Arial][COLOR=#000000]I’ll also ask them to rebuild and balance the crank for me, and here the first question: piston compression which is the best one for road use and long engine life? 7.3 as per Shadow or 8 as per modern fuel allowance? More than 8 become too extreme? My idea would be 8:1.[/COLOR][/FONT] [FONT=Arial][COLOR=#000000]After the bottom end is done, to complete the lower engine part I would need to source a gearbox..again which is the best compromise for fast road use? Rapide or shadow first gear? There is really a difference? I was of couse thinking about shadow specs for the gear box. I’m not interested in a 5 speed type. [COLOR=black][FONT=Arial]As my primary cover is already modified for accepting a multiplate clutch (separate clutch chamber has been cut away) I was thinking to stick with it instead of the original one. Any major inconvenience with that? Is it true that mutliplate clutch allows for quicker gear changing?[/FONT][/COLOR][COLOR=#222222][FONT=Times New Roman][/FONT][/COLOR] [/COLOR][/FONT][FONT=Arial][COLOR=#000000]And what about the cams and timing chest? MKII or 105?? MKII are to extreme and reduce fuel mileage? 105 still good at all revs? Low torque granted? Top speed ok? Idler and gears to be lightened with holes??[/COLOR][/FONT] [FONT=Arial][COLOR=#000000]My idea is for the time being Gary Robinsons 105.. but open to suggestion..[/COLOR][/FONT] [FONT=Arial][COLOR=#000000]Cylinder heads, I don’t have them, so again I’m pretty free here. I was thinking about Goddens complete heads (front and read, not two front) ported to take shadow specs carb 1 1/8.[/COLOR][/FONT] [FONT=Arial][COLOR=#000000]For carbs? Again I’m not bind to originality, but just looking for good street performance and reliability so was thinking about a monoblock 389 series as per D shadows. Concentric would be better? Gardner or other are too extreme??[/COLOR][/FONT] [FONT=Arial][COLOR=#000000]Last thing for this afternoon (more to follow..) magneto: Lucas or electronic BTH?? BTH is for now my choice and was also thinking about an Alton 12v generator.[/COLOR][/FONT] [FONT=Arial][COLOR=#000000]Thanks to all,[/COLOR][/FONT] [FONT=Arial][COLOR=#000000]Eddie[/COLOR][/FONT] [/QUOTE]
Insert quotes…
Verification
The Series 'A' Rapide was known as the '********' Nightmare?
Post reply
Home
Forums
Forums: Public Access
Tech. Advice: Series 'B' / 'C' 500cc/1000cc Bikes
The best set up? Tips on how to rebuild an un-matching Rapide, All input welcome!
This site uses cookies to help personalise content, tailor your experience and to keep you logged in if you register.
By continuing to use this site, you are consenting to our use of cookies.
Accept
Learn more…
Top