This is the Great Planes ElectriFly Power System Brushless Motor Mount.
   This attaches to the firewall and the electric motor attaches to this mount.

FEATURES: Direct replacement for the Great Planes GPMG1101 1.20-1.80 cu in
            (20-30cc) glow mount
          Perfect fit for 63mm RimFire, Outrunner motors
          Universal motor mounting bolt pattern insures an easy fit with many
            brands of motors
          Lightweight aluminum construction for added durability
          Unlimited adjustability from 3.5-4.6" (89-117mm)

INCLUDES: One motor support for extra large motors
          All assembly hardware

REQUIRES: Mounting to the firewall and attaching the motor

SPECS:    Length: 3.56" (90.5mm)
          Width:  3.09" (18.5mm)
          Height: 2.56" (90.5mm)
          Weight: 5.1oz (145g)
          Mounting hole dimensions: 1.94"x1.94"(49.3x49.3mm)

                                                                   rmb 12-20-06
                                                                         ir/jxs
                                                              updt jxs 02/29/12