Making a smooth autonomous lean transition
This video shows the trike making a smooth autonomous lean transition from right to left. Like a two wheel vehicle, when this three wheel vehicle leans, the rear wheel becomes an active steering component.
Very little steering input is all that is required to drive through these two corners. Looks like the right hand goes from 2 o’clock to 12. Chassis pivot angle setting determines how much steering input is needed for the type of corner at the current vehicle speed. Drawings for the chassis pivot angle setting are Fig. 7A through 9B in the Booklet. The front wheels do not show any noticeable lean so they remain fully engaged with the road surface. The first four production custom trikes will have adjustable steering caster. See Drawing Booklet Fig, 12. Once the sweet spot is located, all future 250 cc and 750 cc trikes will have a fixed steering caster angle. The 1400 cc will retain the adjustable steering caster setup.
Suspension caster can be changed with reversing or different mounting blocks at the chassis pivot housing. See Drawing Booklet Fig 6 (item 125). We do not expect the chassis to be distortion free from the welding process. Some adjustability will be good. The toe-in alignment will be adjustable. No other wheel alignment is required. Ackerman Steering will be set by design. The steering rod brackets can be changed if needed. See Drawing Booklet Fig 11 (item 166).
The driver has an up close view of the front suspension and wheels doing their job. This has always been a treat to see and feel the connectivity. The production models will need minimalistic splash guards. Spookie, the graphic artist, will help with this. This work product has taken a lot of time, money and patience to get what we felt was right. The three-wheeled bikes have always been a pleasure to drive through corners. We believe we have a clean and manufacturable product for people to enjoy.