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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
185 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
663 forum posts
351 photos

10x7 to 12x4

google Esprit Tech

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

Many tnanks

Much appreciated

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