BMW patents lightweight chassis. Will it house a new three-cylinder? – NewsMay 15, 2023
BMW has submitted styles for a new chassis that carries forward the idea of using the motor as a stressed member. Here’s what it is
15 maggio 2023
In the very last time period the German Property has “churn out” lots of patents. The very last a single we explained to you about issues a saddle with variable dimensions, if you skipped the report you can retrieve it by clicking on this backlink. Nowadays, having said that, we are chatting about a relative layout to a new lightened framewith motor as pressured portion.
The idea of using the motor as a structural component of a bike frame it’s undoubtedly not newHaving said that, BMW has filed a patent software for a design and style that goes a step even more than previously found, our Cycleworld colleagues position out. It is a fifty percent frame that is screwed on instantly to the engine thanks to sturdy bolts that also safe the cylinder head to the block. Many thanks to this complex alternative fat is saved and compactness is gained when compared to a standard body.
We report underneath the opening image, on the lookout carefully at the drawing, the ideas will undoubtedly become clearer.
See the BMW selling price list
Uncover all new BMWs
Find all utilized BMWs
Examine all issues about BMWs
Go through all BMW opinions
The structure calls for a transversely positioned engine attached to a straightforward cast alloy entrance subframe. The frame connects immediately to the steerer tube and will allow the swingarm to pivot specifically on the gearbox. Ducati’s Panigale versions, they adopt a extremely comparable layout, with the engine undertaking the twin function of pressured composition and propeller. In the earlier, as very well as Ducati, other brand names have also done it, but BMW differs in this undertaking presented that the cylinder head bolts they are used as a means of securing the motor to the frame.
In addition to lowering the amount of parts and the excess weight of the bike, the venture aims to decrease the width, location in which engines with in-line architecture are typically at a drawback, unlike V engines, which make compactness one particular of their powerful details. BMW’s job could therefore offer the ideal of equally worlds, making a slim, compact motorcycle that also added benefits from the lower production expense of an inline engine.
The patent also mentions a further element that really should not be underestimated. Referring to the new lightened body style, BMW would reap the most positive aspects making use of a a few cylinder engine. Even though the enterprise by now has an definitely outstanding situation in the aggressive 4-cylinder market, a a few-cylinder would inevitably be narrower, a alternative that would completely match the conception of the new chassis. There have already been three-cylinder BMWs in the past, these as the K75, but a a few-cylinder has not been noticed in the BMW bike vary for many years.
This patent, with the distinct point out of a 3-cylinder motor, may well be the initially indicator that the speculation has really been regarded as. What do you consider about it?
Luca Cadalora screening a BMW 3-cylinder in-line destined for MotoGP. It by no means received beyond the BMW prototype stage
Primary article can be identified right here.