Hey,   I have these motors  http://store.jdrones.com/product_p/ac2836358.htm with these props  http://store.jdrones.com/product_p/ac1245bl.htm   i've read the instructions on props install, but the washer/spacer they put there inside the prop (seems like the 2nd biggest of the set) doesnt even fit the threaded shaft. http://diydrones.com/forum/topics/propeller-install-notes   the problem as descr…