Test your knowledge of all things nautical by taking a swing at the monthly Blockheads trivia question. If your answer is correct, you could be randomly drawn to win a Blockheads Dry Bag and Brandana! Join Harken Blockheads to start receiving the monthly Blockheads Bulletin newsletter for next month’s trivia question.

Check out last month’s answer and winner below.

👉 February Question:

Part 1: If an Opti experiences 18.1 kg (40 lb) load on the boom, and is rigged with a 3:1 mainsheet purchase, how much weight will the skipper end up having to pull when the sheet reaches their hand?

Part 2: In the same wind speed, the boom on a foiling Nacra 17, with a much bigger sail, will experience 72.5 kg (160 lb) of load. How much purchase will the Nacra 17 need in its mainsheet system, so the skipper only has to pull the same weight as the Opti sailor?

👉 February Answer: 

Part 1: 13 lbs / 6 kg

Part 2: 12:1 purchase

🏆 Congratulations to February’s winner – Kevin Dunn! 🏆

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Test your knowledge of all things nautical by taking a swing at the monthly Blockheads trivia question. If


What exactly is a Blockhead? If you are totally obsessed with how to rig and sail your boat, you might already be one! Join the community of Blockheads to learn more about the sport, engage with others and share sailing experiences. This site serves as the hub for Blockheads globally, where you can discover how to join, media, tips and tricks, contests, and events. This program is all about YOU and we want to hear from everyone! Not seeing something? Your feedback is crucial, feel free to shoot us a comment or message.