On Amie DD’s Twitter
channel, she asked her followers to give her some insight into the different servo horns that usually come with a servomotor and what they are specifically used for. The collective wisdom"
The Daphne Horn: Multi-purpose horn that combines the best of disk and arm-type horns. Can serve either rotational or linear actuation functions. One commenter noted that a Daphne is what you reach for when you don’t have a Fred or a Shaggy.
The Fred Horn: Used for continuous rotation or when the connection will be under significant stress.
The Shaggy Horn: This one was originally develop for R/C airplane control and is used for controlling ailerons because it pulls in on two sides allowing for one side to go up and one to go down at same time by same degree at the same time. The multiple holes adjust the total throw of the movement so you can set upper and lower limits. Can be used for any linear control applications.
And, of course, there’s another wonderful tip in here, Amie’s use of Scooby Doo Lego minifigs to ID the three horn types. More of this, please!