Hi Bob,

The 17x10N was my favorite ST2300 prop. Jeff, that is what was on my Olympian the last time you flew it. If you get over 8300 rpms on it, it will provide unlimited vetical on 10.75 lb 2M bird. After trying the 18x8W on the Webra's, it may be a great prop for the ST2300 too.
Jim W.