RE: wooden props?
balance all props, no matter the size. It makes a big difference on the vibration, and I love a smooth plane. Many manufactures rush to make these props and they don't always check the balance. It's good to get in the habit of checking all props as soon as you get them.
Peter Dowling aka Luftwaffe Oberst
AMA District II # 865404
Aero Modelers Club
Pulaski, NY