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Old 09 July 2012, 05:28   #1
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RC 585-DF140 Prop?

What is the best prop for a Ribcraft 585 with a DF140, I currently have a brand new 3x14x21p on there.

I'm looking to do a long cruise soon so any advise would be appreciated.

Thanks
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Old 09 July 2012, 05:53   #2
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i run a 23 on mine for cruising
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Old 09 July 2012, 13:15   #3
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Quote:
Originally Posted by whisper View Post
What is the best prop for a Ribcraft 585 with a DF140, I currently have a brand new 3x14x21p on there.

I'm looking to do a long cruise soon so any advise would be appreciated.

Thanks
It depends, do you normally run lightly loaded or carrying lardy arsed divers & their kit? You need to prop so that you can achieve WOT with your normal loading. I used to run a 21p stainless prop on my 585 with a 175hp FICHT, this got me 5800rpm. As a very rough guide, an inch in pitch = 200rpm, similarly a stainless prop will run 200rpm faster than a similar ally prop. As I said these are very approximate, just before anyone jumps in asking for proof
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