Here is what we use for the Wakefield event.
This is the same setup as used in winning Wakefield Electric
models at SAM competition.

SPEED 300 6V Electric Motor
Product# GR3306
10 Small 47mf Capacitors .
Product# GR3584
These capacitors are used on the Speed 300 motorThese capacitors are used on the Speed 300 motor
Use 3 of these on the motor. 1 each from a rear terminal to the case of the motor and
one across between the two terminals

5:1 Gearbox for 300, Ballbearing

Product# MJ8043

30mm Aluminum Spinner for 3mm Shaft

Precision turned aluminum spinner with blade holders and collet prop adapter included
Product# DK3030
10x8 CAM Folding Prop (Spare Blades)

10x8 CAM Folding Prop (Spare Blades)
Product# GPC1008B
12 Amp Microprocessor Motor Controller

For 4 to 8 Ni, 2 to 3 Li-Po cells, 12 to 15 Amps
Product# JES012
Polarized SPEED 400 Connectors, 3, Red

Product# HLFK4003
2 sets of these, same as used on the Speed 400LMR event.
Just put heat shrink over the connectors, no need to use the insulators
that come with it.
Battery:
THP8502SP45J
Thunder Power lipo 2C 850mah 45C.