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Thread: Mainspring data thread

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  1. 07-10-2022, 11:33 AM #1
    evert
    evert is offline Registered User
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    Walther Century spring, pulled from a Norwegian .177 full power gun with extremely long steel tophat: 4mm wire, 16,7mm ID, 29 coils
    Too many airguns!
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  2. 14-10-2022, 06:58 AM #2
    BTDT
    BTDT is offline Lord of the Springs
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    Quote Originally Posted by evert View Post
    Walther Century spring, pulled from a Norwegian .177 full power gun with extremely long steel tophat: 4mm wire, 16,7mm ID, 29 coils
    18.8 N/mm or 107 lbf/in.
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