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gregschlom 2 days ago

It’s a great project overall but MDF is a very poor choice for the base. It will get destroyed as soon as it gets wet. At minimum they should have used exterior grade plywood, and painted it

f1shy 2 days ago | parent | next [-]

I‘m pretty sure it‘s from a region in the wotld were weather is very presictable, typically good, and people go out woth kids only in nice days, because there are so many.

cess11 2 days ago | parent [-]

Looks like rain in one of the videos and it'll suffer wear from vibrations as well.

It's a nice, cheap material for prototyping on, and then you can base the cut of a piece of metal or plastic on it for a more permanent solution.

fifticon 2 days ago | parent | prev [-]

OSB wood?

IshKebab 2 days ago | parent [-]

OSB is not very nice either. Plywood is definitely the choice here.

I think MDF will easily last until his kids don't fit in it though. I don't think he's going to use it in the rain.

ty6853 2 days ago | parent | next [-]

Advantech OSB will outlast conventional plywood by a mile in the rain. I exposed it, flat (the worst way possible) as subfloor, to rains for 1+ year while building my house with only maybe 1mm of fiber degrading on the surface a few places. Many modern OSBs use hydrophobic glues impermeable to water.

IshKebab a day ago | parent | next [-]

Maybe but it's basically made of splinters. Not something you want in a thing you have to touch!

datavirtue a day ago | parent | prev [-]

That's what I was thinking. Plywood is a horrible choice.

woleium a day ago | parent | prev [-]

Marine ply would be my choice

BizarroLand a day ago | parent [-]

If it were going to be exposed to the elements, I would pick a pine and waterseal it or a marine ply and waterseal it.

It would fail eventually anyway, but either of those two options, depending on price, would be good and cheap enough to last.