RE: Rc Tricks and Tips
This is more along the lines of USEFUL info.
Some folks Upgrade their Servos only to find that the old Horn doesn't FIT anymore. (Some Folks just Jamm 'em on anyway[sm=48_48.gif])
The reason is that the Splines (number of teeth) on each brand of servo is Different. [sm=confused.gif]
Here is the KEY.
Hitec/Himoto MegaP models: 24 spline shaft
Airtronics/HPI/Sanwa/KO/JR/Spektrum: 23 spline shaft
Futaba/Himoto HSP models(currently): 25 spline shaft
Now you can order a nice aluminum servo horn (and be SURE it will fit!) when you upgrade your Servos!