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Gas World Championship Rules of Racing
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| Classic Thunderboat |
| Boat maybe of wood or fiberglass construction. 48-56 inches in length and a minimum of 24 inches in width. The transom shall be a minimum of 10” in width. Hull designs: Round Nose, Step Deck, Chisel Nose ONLY. ENGINES will be a PUM 26cc Zenoah. Engine may run a stock 257 carburetor. No internal modification allowed. All replacement parts must be from the original manufacturer, and the same type engine (Zenoah 260 to Zenoah 260) no parts swapping. Any pipe combo may be used. The pipe and muffler must be inside the boat and exit through the transom. Nothing may be further than 5 1/4" behind the transom. Boat must have a sponsored paint scheme with sponsored IDs and U numbers on the boat. Boat must have a driver in a front or rear cockpit. Driver scale of 1/8 to 1/6 in relationship to the size of the boat. Boat must run with an engine cowling or dummy engine to cover as much of the boats engine as possible. |
| Classic Thunderboat Race Format |
| 1. Top six boats in points after four rounds of qualifying are in the Winner Take All Final 2. Next five boats in points after four rounds of qualifying are in the first Connie 3. Next six boats in points after four rounds of qualifying are in the second Connie 4. Winner of the second Connie is the sixth boat in the first Connie 5. Winner of the first Connie is the trailer boat in the Winner Take All Final. 6. Trailer boat must be at the exit buoy of the right hand turn at the expiration of 30 second clock. |