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Alternate Parts to Substitute?
Been building Air powered rockets for years. Now designing for Estes power.
Have a question about parts that can be substituted without losing any safety. The biggest part having trouble getting without buying a pack of parts and getting only three of them that are usable. The Green Engine Block part number F 030164-2? Is there anything easy to get that can replace these? E engine Hooks will be another issue to get here in Alaska? What else can be used? Mike |
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