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					                                             GEOBAT
                                             F.S. Aviation Inc.
                                             www.geobat.com

                          Geobat 20 in. foam glider instructions

                                                                  5.5 inches = distance from nose to
                                                                               inner edge
     20 inches = diameter of circular disk                                8.5 inches = length of diagonal


                                                                      2.75 inches = width of rim

                                              Picture not to scale.


 You can make 4 Geobats from a 4’ x 4’ piece of Dow blue foam. Cut the 4’ x 4’ foam
 sheet into 4 equal parts.

 1. Trace the outline of the boom on the smooth, blunt outer edge of the
    blue foam.

 2. Trace the outline of the Geobat onto the blue foam.

 3. Cut out the Geobat shape.

 4. Carve rounded leading edges and taper trailing edges.

 5. Sand to a smoother shape.

 6. Cut the boom from the blue foam.

 7. Tape or epoxy boom on the bottom center line.

 8. Add ballast to the bottom of the nose. (10 to 12 pennies)
    11 pennies or 5nickels equals 1 once of ballast weight

 9. Add more pennies if balance point is not at 5 1/2 inches from the
    nose.

10. Test fly your Geobat inside the building at first. Try to trim it to glide at
    least 30 ft. Customize your model with plastic fins or winglets.

    Email photos of your work to: Rpollard@GEOBAT.com

				
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posted:6/27/2010
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Description: GEOBAT foam