posts: 220005
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| post_id | thread_id | thread_title | post_number | author_username | post_date | post_date_iso | post_body |
|---|---|---|---|---|---|---|---|
| 220005 | 11248 | Twinzer Design/Experiment. | 33 | jonbiz | Sep 13, 2021 | 2021-09-13T19:21:11-0400 | Mains and canards are flat. I’ve never seen inside foil, heard rumors of Wil using them. I’ve got fins unlimited who used the dynamic balance template Wils label and some from Rainbow. The Board that Wil shaped has the fins I’ve seen I pictures upright. Bottom Rainbow fins are from a Jobson yellow J Top left are from Vernor. Looks to be what Joey Thompson uses. Second set is what Rainbow is selling Far right are what Fins Unlimited says is the Dynamic Balance template As you move the mains back you need to decrease the canards to help loosen the board up. The canards job is to pressurize the outside of the main so it won’t stall at high angles of attack (sharp turn). With too much overlap this is missed. |