epicyclo
Senior Retro Guru
Re: Re:
With Triumphs it meant that when the engine hand grenaded all the bits stayed in the crankcase instead of decorating the countryside. (May not be strictly accurate. Slight Norton and Velocette owner bias)
On other bikes it meant the gearbox casing was cast integrally with the crankcase.
As far as Tritons are concerned, I reckon the pre-unit was better because the reason the Featherbed handled well was because it had a great lump of motor mounted close to the front wheel, and low. You can do that with the pre-unit and still have the drive sprocket in a reasonably optimal position. With the unit construction ones you have to compromise the engine position one way or the other.
But even better was to keep the original Norton engine and gearbox, although it is much easier to tune a Triumph for more power.
kaiser":1gui528q said:That Enfield does look cracking. Rob what does 'unit' mean?
With Triumphs it meant that when the engine hand grenaded all the bits stayed in the crankcase instead of decorating the countryside. (May not be strictly accurate. Slight Norton and Velocette owner bias)
On other bikes it meant the gearbox casing was cast integrally with the crankcase.
As far as Tritons are concerned, I reckon the pre-unit was better because the reason the Featherbed handled well was because it had a great lump of motor mounted close to the front wheel, and low. You can do that with the pre-unit and still have the drive sprocket in a reasonably optimal position. With the unit construction ones you have to compromise the engine position one way or the other.
But even better was to keep the original Norton engine and gearbox, although it is much easier to tune a Triumph for more power.