Brian,
Thank you very much for the information. The handbrake does sound pretty close, except only one finger will be used to activate my "trumpet".
I found many references to the Defence Standards, but could not locate the site where they are available for download. It looks like...
I am designing a device that has a push button very similar to a trumpet. It fits in the palm and the button will have a travel of about 0.2".
The Humanscale 4/5/6 book I have for ergonomic references doesn't appear to cover this type of control (mostly panel buttons are included). Does...