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Personally I'd keep the Centauro as a Centauro, it's a nice collector's item and the engine IS outdated anyway.

Isn't it possible to adapt an actual, reliable and really powerful 8V to the 'old' gearbox as well? They might be a bit harder to get, that's true, and don't have as much of the older 'steam punk' look, too. But they really have the grunt.

 

hubert

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I rode Mal's Centauro 250 miles the other day and I must say the top end is very impressive.

 

Very different in character to my Stelvio which seemed smoother and less rustic than the Centauro.

 

I like the earthy feel of the early 4v motors- so much so that I've just bought Gyles's (RIP) Thunderbikes racer- a Daytona RS which is being made roadworthy again with a 1225cc motor.

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...so much so that I've just bought Gyles's (RIP) Thunderbikes racer- a Daytona RS which is being made roadworthy again with a 1225cc motor.

 

I already noticed that new line in your profile. 1225cc is a word, in fact. Why dont you call it Berzerk instead?

It's a pity that those new engines don't fit into the V11 frames (if Jaap is right at least). Anyway, have fun, both of you, with your projects. I wish I had a 4-valve, too.

 

Hubert

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It's a pity that those new engines don't fit into the V11 frames (if Jaap is right at least).

 

Jaap is right about the new QV motors not fitting in the single-spine frame: they all sport the old style alternator mounted topside in the cylinder V that the original loop frame motors had, instead of the pancake alternator mounted on the front end of the crank as in our V11s.[1]

 

The top-mount alt. interferes w/ the single-spine running down btw the cylinders, hence the use of the dual-spine frame common to all the Quotard[1] CARC bikes...

 

It might be possible to fit a smaller alternator, flipped around to face forward from the "eye" w/o running into interference with the front end, & have clearance to fit the motor in the single-spine V11 frame. I don't know, nor do I have access to a spine frame floating around loose to see if it would mate up with the parts B11 motor I do have access to. I suppose if I was really motivated I could go out w/ tape measure & poke around measuring standoff heights from the LeMans cases vs. the top of the "eye" on the B11 cases, but I frankly can't be bothered right now; that will have to go into the "blue sky projects" file... :luigi:

;)

 

Ride on!

:bike:

 

[1] How much sense would it make to fold the alternator/generator/electrical bumpf into the mass of the flywheel/clutch assembly? The flywheel spins constantly, building electromagnets/coils into the cases wouldn't be that hard, and some of the excess mass of alternator would simply "evaporate" from the system, since it would become part of the essential mass of the flywheel necessary to our lumpy big-twin motors... All the benefit of the light alloy flywheel, w/o sacrificing any of the actual structural integrity of the steel one. Win-win!

 

[2] Because they're all derivatives of the dual-spine frame Dr. John developed for the Quota, hence, "Quotard." Kinda like "retards," but different! ;)

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... All the benefit of the light alloy flywheel, w/o sacrificing any of the actual structural integrity of the steel one. Win-win!

...

 

 

You could go one step further even if you consider how much faster the magnetos would cross the coils, and how many more coils could be placed around the rather big flywheel/magneto holder.

 

On the other hand, you don't find such a system in cars actually. What are the downsides then?

 

Hubert

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The downside would be if you had an electrical problem with ANY one of the components in the flywheel. The Model T(I think) had the electrical/charging system integral with the flywheel.

The Hybrid vehicles being produced now have this (a real mess)setup.

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The flywheel should hold only the magnets... and the magnets should hold nothing else of what comes near to them :grin:

 

Jaap, do you have a picture of the Centauro which you're going to sacrifice, only for your personal fun if I might add?

 

Hubert

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