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- Fri Jan 26, 2007 12:29 pm
- Forum: Valved pulsejet forum
- Topic: Hello Valve for pj 90
- Replies: 13
- Views: 13964
hey i believe they used 0.020 but when you make them 0.025 they will survive longer with 0.020 you can fly 2 or 3 time's and with 0.025 you can fly many times more. We are making a copy of the pulsejet of bert van didden :D . he said the 0.025 was the best. Bert quadvlieg also said. but i don't know...