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Street Legal, Jet-powered Beetle

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“The engine is a General Electric Model T58-8F. This is a helicopter turboshaft engine that was converted to a jet engine by some internal modifications and a custom tailpipe. The engine spins up to 26,000 RPM (idle is 13,000 RPM), draws air at 11,000 CFM, and is rated at 1350 hp. It weighs only 300 lbm. It grows as it warms up so the engine mounts have to account for this. The mounts in the front are rubber and the back are sliding mounts on rubber. The structure holding the engine was designed using finite element analysis and is redundant. Strong, damage tolerant, and light. Second battery and fuse/relay panel on the right, halon fire system and 5 gallon dry sump tank on left. 24V starter motor is in the nose of the engine. 700 A of current goes into that motor for 20 seconds during start-up. Due to heat, must limit starts to three in one hour. Big screen is to avoid FOD (foreign object damage). Jet keeps sucking the rose out of the bud vase on the dash!”

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