I put my DLE 20 in a 68 inch Goldwing Yak.
It had an OS 120 in it.
The DLE 20 gave it more power, but I still find for 3D flight I need to swing a bigger prop.
I am thinking about a DLE 30 for it.
I have a DLE 30 in a GW MX.
It flies so much nicer.
I'd go with a DLE 30