BritBike Forum logo
BritBike Sponsor BritBike Sponsor BritBike Sponsor
BritBike Sponsor

BritBike Sponsor

BritBike Sponsor
BritBike Sponsor BritBike Sponsor BritBike Sponsor
JWood Auctions JRC Engineering dealers JWood Auctions
Home | Sponsors, Newsletter | Regalia | Calendar | Bike Project | BritBike Museum | Spiders Cartoons, "OLD" BritBike Forum | DVD- Manuals & Parts books | BritBike Stickers & Decals
Upgrade to: Premium Membership | Premium Life Membership | Vendor Membership | Site Sponsor Membership
Member Spotlight
dakota
dakota
Belgium
Posts: 122
Joined: August 2006
Show All Member Profiles 
Shout Box
Search eBay for motorcycle parts in following countries
Australia, Canada, France, Holland, Italy, United Kingdom, USA
Random Gallery photo
Who's Online Now
33 registered members (BeezaBryan), 204 guests, and 406 spiders.
Key: Admin, Global Mod, Mod
Newest Members
Nomdegom, Andy Mac, kwbikr, RandomTask, George Henstorf
10379 Registered Users
Top Posters(30 Days)
Mori55 94
NickL 85
Stuart 83
DavidP 79
reverb 73
Triless 68
Popular Topics(Views)
687,970 mail-order LSR
Forum Statistics
Forums34
Topics67,995
Posts661,431
Members10,379
Most Online3,995
Feb 13th, 2017
Like BritBike.com on Facebook

Previous Thread
Next Thread
Print Thread
Rate Thread
JOHN RENWICK VINCENT EPIMETHEUS #419324
02/18/12 12:00 pm
02/18/12 12:00 pm
Joined: Jul 2001
Posts: 2,287
Gothenburg, Sweden
Morgan aka Admin Offline OP

Ride safe today!
Morgan aka Admin  Offline OP

Ride safe today!
Joined: Jul 2001
Posts: 2,287
Gothenburg, Sweden
Check this out.. 9 min 37 seconds pure joy! clap clap grin bigt
John Renwick and Ed Wallbank testing Epimetheus, the 1665cc Vincent, on the dynamometer. Nitrous oxide, air operated auto gear change, 7,000rpm and 180bhp from a 1950s British V twin.



BSAing you
Morgan Johansson
BritBike.com.
____________________
Morgan on Facebook | BritBike on Facebook | Twitter | Skype: "britbike.com" |
Join our BritBike MotorCycle Forum on Facebook
Support Your #1 BritBike Forum!

Check out British motorcycles for sale:
British Motorcycles on e-Bay UK, British motorcycles on e-Bay North America
Check out British motorcycles for sale:
British Motorcycles on e-Bay UK, British motorcycles on e-Bay North America
Re: JOHN RENWICK VINCENT EPIMETHEUS [Re: Morgan aka Admin] #419354
02/18/12 3:10 pm
02/18/12 3:10 pm
Joined: May 2005
Posts: 3,843
ohio
shel Offline
BritBike Forum member
shel  Offline
BritBike Forum member
Joined: May 2005
Posts: 3,843
ohio
very cool!


When given the choice between two evils I picked the one I haven't tried before
Re: JOHN RENWICK VINCENT EPIMETHEUS [Re: Morgan aka Admin] #419392
02/18/12 6:03 pm
02/18/12 6:03 pm
Joined: Aug 2001
Posts: 31
Newburyport, MA, USA
Chris Offline
BritBike Forum member
Chris  Offline
BritBike Forum member
Joined: Aug 2001
Posts: 31
Newburyport, MA, USA
Fantastic, what a great video with two good old boys in their workshop.

Re: JOHN RENWICK VINCENT EPIMETHEUS [Re: Morgan aka Admin] #419551
02/19/12 2:03 pm
02/19/12 2:03 pm
Joined: Aug 2001
Posts: 420
Iowa
konon Offline

BritBike Forum member
konon  Offline

BritBike Forum member
Joined: Aug 2001
Posts: 420
Iowa
Those guys are having some fun!
Great video.


1968 BSA Firebird
1200 HD
XS 1100
1972 Rickman 125
Re: JOHN RENWICK VINCENT EPIMETHEUS [Re: Morgan aka Admin] #419572
02/19/12 3:43 pm
02/19/12 3:43 pm
Joined: Aug 2001
Posts: 1,081
Cheshire UK
Phatt Bob Offline
BritBike Forum member
Phatt Bob  Offline
BritBike Forum member
Joined: Aug 2001
Posts: 1,081
Cheshire UK
Very nice, but sooo many questions.

F'rinstance, he's got two foggers, one either side of the inlet. Are they single shot or are they progressive? i.e. the left one, say, is jetted for 20 bhp to get off the line, and the right one another 60 (?) which fires when he's rolling. I guess the two solenoids with the pressure gauge between them are the nitrous solenoids, and the fuel solenoids are elsewhere. He seems to point under the "seat" when mentioning them.

Are "the electronics" a progressive controller?

Probably answered my own question, why have two foggers impeding the inlet if you're not using them seperately? Dave Bartz runs a similar set up on his T140 but has two buttons.

How much of the 180 bhp is gas and how much is Vincent? My guess would be 80 and 100 respectively.

Bob

Edit. Just watched it again. I can see the fuel lines now. Looks like they're live at the same time. confused I'd love to see a schematic of the system. Can't make it out fer all the plumbin'!


Phatt Bob
'95 Daytona 1200
'98 Daytona 1200 dragbike
ex-850 T140 Caff Racer, 850 Triton, Morgo T120, Starfire and Pretend Daytona 500 owner
Re: JOHN RENWICK VINCENT EPIMETHEUS [Re: Morgan aka Admin] #419676
02/20/12 1:04 am
02/20/12 1:04 am
Joined: Sep 2008
Posts: 845
Edgewater, Md
B
Blown Income Offline

BritBike Forum member
Blown Income  Offline

BritBike Forum member
B
Joined: Sep 2008
Posts: 845
Edgewater, Md
That sounds awesome and has to be one fun ride.

Last edited by Blown Income; 02/20/12 1:05 am.

1955 BSA Bantam D1 Plunger
1956 BSA A10RR Street and LSR Bike
1961 BSA C15S
1966 BSA spitfire
1969 Triumph T100C
1970 Triumph TR6R
1970 Triumph TR6C
1972 BSA Lightning LSR Bike
1974 Triumph T150V
Re: JOHN RENWICK VINCENT EPIMETHEUS [Re: Blown Income] #419897
02/21/12 12:26 am
02/21/12 12:26 am
Joined: Aug 2010
Posts: 323
New Hampshire, USA
David Dunfey Offline
BritBike Forum member
David Dunfey  Offline
BritBike Forum member
Joined: Aug 2010
Posts: 323
New Hampshire, USA
This is a photo of John and Eddy on the salt. John is piloting the streamliner he built. You can get 100 hp on gasoline out of a Vincent twin, but above that the heat build up is too great. John has worked around this by doing racing that requires relatively short bursts.

David

Re: JOHN RENWICK VINCENT EPIMETHEUS [Re: David Dunfey] #423571
03/10/12 3:09 pm
03/10/12 3:09 pm
Joined: Feb 2007
Posts: 2,248
Atlanta, GA USA
S
Semper Gumby Offline
BritBike Forum member
Semper Gumby  Offline
BritBike Forum member
S
Joined: Feb 2007
Posts: 2,248
Atlanta, GA USA
I love the part where he talks about "nailing" the throttle wide open on the line. His eyes got real big and I think we got a glimpse of the controlled madness of these fine gentlemen.

Brilliant! Thanks Morgan.

Last edited by Semper Gumby; 03/10/12 3:10 pm.

Gaggle of BSAs
a Honda
an old BMW
and a Montesa
Parking lot Elf in training

Moderated by  Allan Gill 


Home | Sponsors | Newsletter | Regalia | Calendar | Bike Project | BritBike Museum | Spiders Cartoons | "OLD" BritBike Forum | DVD- Manuals & Parts books | BritBike Stickers & Decals
Upgrade to: Premium Membership | Premium Life Membership | Vendor Membership | Site Sponsor Membership
Powered by UBB.threads™ PHP Forum Software 7.6.1.1