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WHAT size prop for a Hacker B20

What size prop

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Robert Putley 117/10/2019 17:41:06
194 forum posts

I have a Hacker B20 - 18L. 3000 rpm/V + 4.1, which I have not used for many years.

I shall be installing this in a glider. I would like to have some idea of what size prop i need using a 3S Lipo.

Stuphedd17/10/2019 19:01:29
698 forum posts
369 photos

10x7 to 12x4

google Esprit Tech

Robert Putley 117/10/2019 21:01:53
194 forum posts

Many tnanks

Much appreciated

ken anderson.09/05/2020 16:04:34
8626 forum posts
779 photos

i have a seb art SBach with a hacker A30-10xl,i've tried it with a couple of props on a 3s lipo..13*6 and 14* performs ok but i'm thinking a smaller dia finer pitch will be better....any suggestions or what are you using please?i would like to carry on with 3s,lipos....the model is the 30E size job...


ken dept.

Edited By ken anderson. on 09/05/2020 16:09:40

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