# Progression Foil thin wingtips

**URL:** <https://forum.progressionproject.com/t/progression-foil-thin-wingtips/2283>\
**Category:** Foils and Boards - Gear Talk\
**Created:** [June 2, 2023, 7:05am UTC](https://forum.progressionproject.com/t/progression-foil-thin-wingtips/2283 "2023-06-02T07:05:51Z")\
**Posts on this page:** 4\
**Page:** 1

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**Author:** ![MediterraneanFoiler](https://avatars.discourse-cdn.com/v4/letter/m/ed655f/32.png) [@MediterraneanFoiler](https://forum.progressionproject.com/u/MediterraneanFoiler)\
**Post date:** [June 2, 2023, 7:05am UTC](https://forum.progressionproject.com/t/progression-foil-thin-wingtips/2283/1 "2023-06-02T07:05:51Z")

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Any idea about what would be the impact if I’d sand a few mm until its 1mm thick? would it still breach so well?

They’re very thin and pointy in a way(dangerous combination), so I’m intimidated by them.

Also, when riding in a spot with a shallow reef, sooner or later they’d be broken(already happened to a friend after 2 weeks). So perhaps getting the thin part away would save me from a larger broken segment.

Same question about the trailing edge, and the shiv tail…

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**Author:** ![Matt](https://avatars.discourse-cdn.com/v4/letter/m/a6a055/32.png) [@Matt](https://forum.progressionproject.com/u/Matt)\
**Post date:** [June 2, 2023, 8:05am UTC](https://forum.progressionproject.com/t/progression-foil-thin-wingtips/2283/2 "2023-06-02T08:05:33Z")

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Less efficiency, maybe more predictable stalls. Maybe worse on both but safer.

I didn’t think it was that pointy looking compared to other new foils like Eagle. I guess if safety a higher priority than performance then of course you can. The sharpest part I think is the mast trailing edge which I am very careful of.

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**Author:** ![beepityboppityboop](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.progressionproject.com/beepityboppityboop/32/6245_2.png) [@beepityboppityboop](https://forum.progressionproject.com/u/beepityboppityboop)\
**Post date:** [June 2, 2023, 1:41pm UTC](https://forum.progressionproject.com/t/progression-foil-thin-wingtips/2283/3 "2023-06-02T13:41:37Z")

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I was concerned about the thinness also before getting Progression, not so much from safety standpoint but from damaging the tips if ever hitting. Thats why I got the 75 mast instead of 83 and try to be conservative with the tides being low/mid at least, and staying away from shallow areas. I wouldn’t mess with the foil personally.

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**Author:** ![Erik](https://yyz2.discourse-cdn.com/flex030/user_avatar/forum.progressionproject.com/erik/32/4_2.png) [@Erik](https://forum.progressionproject.com/u/Erik)\
**Post date:** [June 2, 2023, 4:56pm UTC](https://forum.progressionproject.com/t/progression-foil-thin-wingtips/2283/4 "2023-06-02T16:56:47Z")

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You wont lose much performance if you take off just a bit of the tip from my experience. It will mostly be in efficiency. But you will get a touch better/faster roll.