Aerobuzz / JumpSeatFeb 17, 2025

Plus de 60 ans après son premier vol, le Chinook continue son parcours industriel exemplaire, démontrant à chaque nouvelle génération l’excellence de la formule birotor en tandem. #Boeing #Rotors #Chinook

https://www.aerobuzz.fr/breves-defense/17-boeing-ch-47ja-block-ii-pour-le-japon/

17 Boeing CH-47JA Block II pour le Japon - Aerobuzz

Le Japon, déjà utilisateur de Chinook, opte pour la dernière version en date du célèbre hélicoptère bi-rotor. Ces hélicoptères lourds remplaceront des CH-4 J/A plus anciens. La fabrication des Chinook au Japon est l’objet d’un partenariat entre Boeing et Kawasaki Heavy Industries qui s’est traduit par la fabrication de plus d’une centaine d’hélicoptères depuis les

Aerobuzz
CellBioNewsMar 5, 2024

Communication between #rotors in #molecular_motor observed for the first time.

#DNApolymerase

https://phys.org/news/2024-03-communication-rotors-molecular-motor.html

Communication between rotors in molecular motor observed for the first time

A pair of chemists at the University of Groningen in the Netherlands, has observed communication between rotors in a molecular motor. In their study, reported in the Journal of the American Chemical Society, Carlijn van Beek and Ben Feringa conducted experiments with alkene-based molecular motors.

Phys.org
FoxVKSep 25, 2023

It is probably a stupid question but why nobody makes #stainless steel #car #brake #discs / #rotors ?

Price would be way higher but looking at my 4yrs old rear discs which are ready to be replace or at lest machined solely because of rust So for cars with weekend use it must pay off.

(ok I found one exception called kodiaq but they are making dics only for trailers)

allpyreneesMay 30, 2023

#wankel #engines #motors #rotors

https://all-andorra.com/wankel-engine-rotor/

Wankel engine (rotor) * All PYRENEES · France, Spain, Andorra

The Wankel engine is a type of internal combustion engine using an eccentric rotary design to convert pressure into rotating motion. The concept was invented and proven by German engineer Felix Wankel, and the commercially feasible engine designed by German engineer Hanns-Dieter Paschke. The Wankel engine’s rotor, which creates the turning motion, is similar in ...

All PYRENEES · France, Spain, Andorra