29 mm Rocket plywood fin repair.
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Radikal Prints for
Rocketheads 29 mm Rocket plywood fin repair. |
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| I just had to do it. Since losing our HIGH Power field. I needed to fly at least a G somewhere. Large open fields are difficult to find around here so we went to trusty Tamiami Park, which used to be be huge. Now it houses Florida International University, the Youth Fair, baseball fields, etc. What is left is a patch where cars park during the Youth Fair. I didn't want to lose the rocket with the reloadable case, so I used a long and wide plastic streamer instead of a parachute. This rocket has come down several times with partial deployment and once on its side with NO deployment with never any damage. Of course that was always on softer grounds. Anyways it was a loud crowd pleasing flight on an AT G76-7 Green Mojave! Awesome green flame! Unfortunately it came down a little too fast and broke a fin on the tarmac.
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| If only it would have landed on another six inches to the left. There would be no damage. But nooooooo! It had to land right on the Tarmac! |
Mark 1/8 plywood fin for cutting. |
Dremel cut makes life so much easier. | |
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| Attach replacement piece with CA. | Sand and roughen up areas to absorb finishing epoxy. | Lay 2 oz fiberglass cloth on joint extending to partial body tube. Brush on coat of 30 minute finishing epoxy. Do one side at a time. | |
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| Replace tight launch lug with looser 1/4 inch. Trim hardened cloth. Sand repaired fin area smooth with 220 grit. | Mask area with tape and paper. Paint with Heavy Fill primer. Sand. | Sand and spray again as needed. Sand some more until smooth with 400 grit paper. | |
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