Great Planes Float Kit .40 Size GPMQ1872

Great Planes

Item # GPMQ1872
$79.99 $54.99
(You save $25.00)
Status: Out of stock
Fits Model:
Great Planes Piper J-3 Cub 40
Fits Model:
Great Planes Goldberg Cub
Great Planes Float Kit .40 Size GPMQ1872

More information about Great Planes Float Kit .40 Size GPMQ1872

This is a Sport float kit designed for the Great Planes Piper J-3 Cub .40 kit, but may also be used on any 5-9.5lb .40 size plane.


  • All wood to build the floats
  • Mounting hardware
  • Rudder
  • Rudder cable
  • Photo illustrated instructions


  • Glues
  • Building equipment
  • Soldering equipment
  • Either covering or fiberglass and paint

If covering, recommend: 1 roll of MonoKote and sealing iron
If glassing, recommend: Finishing resin, 3/4oz fiberglass cloth, mixing cups, 1 wide paint brush, mixing sticks and epoxy paint

  • Balsa and ply die-cut, interlocking parts and complete balsa sheeting
  • Includes all materials needed for mounting to any plane, plus custom mounting hardware for Great Planes Piper J-3 Cub .40
  • Change from floats to wheels in less than 10 minutes with only a Phillips screwdriver and hex wrench
  • May be finished with MonoKote covering or fiberglassed and painted
  • Includes a tough, lightweight aluminum water rudder which provides positive control at slow, “taxi” speeds, while incorporating a full kick-up function to protect the floats during beach landings or when striking underwater objects
  • Comes with a brass-plated steel flex cable for precise water rudder control

Length: 34.5"

For planes weighing: 5 - 9.5lbs

Width (at the widest point): 5-1/8"

From tip to step: 17.75"