Pivot Point For 2DOF Platform
Hi CW and all the rest of the flight crew .. Been welding the frame for my 2DOF Platform Based on Ideas from borrowed from Both Jim and Craig so lets call it a Hybrid :-) any way thought i'd ask the question regarding distance from the center of the Universal joint to pulley attachment point, as it were which would give me 20° of Movement on both roll and Pitch axises.. my steering rack has a maximum travel of approximatly 100mm so i figured that when centered and flying level i will only have 50mm of travel left/right ..front / back to achive the 20° angles. based on trig i would seem that i need the anchor point for rotation to be 138mm from the center of the Pivo Point ( Universal Joint ) May or may not be a problem but i seem to recall Craig mentioning the fact that the sim will be more responsive the closer if i connect at this point ( 138mm ) downside i means more load on the actuation system ( steering rack/Wipermotor ) as he has now moved his pivot point a lot further away thereby easing the load on the actuator did he have to sacrifice some of the angle of movement or have i missed something that would allow my 50mm of movment to give me the same angle if i moved the anchor point further away .. Major head scratching going on is it something in the pulley system Help please :-)