Aeroness of visorless MET Drone Wide Body?

Anyone knows how the MET Drone Wide Body tests with the visor off, compared to visor on? The helmet is very wide and it seems like taking the visor off would create huge air inlets at the ear flaps.

I’m asking because I have a race coming up that might be rainy. It it’s confirmed then I’d have to chose between the Drone with the visor off, or my old Wingspan (which doesn’t have a visor and, I believe, is faster without a visor anyway). I know helmet choice is very individual, but if the MET Drone is only slightly slower with the visor off then that would be my choice, considering it fits much better and would probably still be faster than that Wingspan.

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any data about that?

Why is visor ON a problem with the rain?

Never had an issue with that, on the contrary in fact

I’ve tested this helmet 4 or 5 or 6 times this year so far but never without the visor.

What I would do is go get some auto wax and some soft cloths. I’d apply wax to the outside and inside of the visor then buff it off. That should help with the rain issue

Most often, but not always, helmets that have visors are faster with them than without them

Sorry I don’t have visor off data but no one has wanted to see how that tests

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The main problem for me when it’s raining is that the visor gets very foggy and I can’t see anything with it. Last time I ended up with no visor and the visor in my trisuit. I guess that is no longer legal.

Didn’t Sam Laidlow set the new bike course record in Kona 2022 with a Met Drone helmet with glasses instead of the visor?

Pros in Kona often use helmets without the visor for better cooling so it mustn’t be so bad. Or, at the very least, the difference is smaller than the time cost of overheating.

It doesn’t really answer your question directly but presumably sum of those athletes would use a different helmet if the difference was too much