Robert Putley 1 Posted October 17, 2019 Share Posted October 17, 2019 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. Quote Link to comment Share on other sites More sharing options...
Stuphedd Posted October 17, 2019 Share Posted October 17, 2019 10x7 to 12x4 google Esprit Tech Quote Link to comment Share on other sites More sharing options...
Robert Putley 1 Posted October 17, 2019 Author Share Posted October 17, 2019 Many tnanks Much appreciated Quote Link to comment Share on other sites More sharing options...
ken anderson. Posted May 9, 2020 Share Posted May 9, 2020 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* 7...it 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 anderson..ne..1..prop dept. Edited By ken anderson. on 09/05/2020 16:09:40 Quote Link to comment Share on other sites More sharing options...
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