Ths motor is not even close to a replacement for a 40 size glow engine.
See:
http://www.nesail.com/detail.php?productID=2613
Go to his beginners thread:
http://www.rcuniverse.com/forum/m_10386274/tm.htm and look at post #12. Read through this and you can get a pretty good idea what type of engine you need. Then you can go to somewhere like Tower Hobbies and find an electric motor and ESC that will fill your needs.
CGr.