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Old 07-28-2019, 01:32 PM
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rolick22 rolick22 is offline
Join Date: Oct 2013
Location: Powell, OH
Posts: 213
Default 3 bladed Fan Boy

Originally Posted by AeroDog View Post
After being at the show all week, I finally saw the new prop at the Van's tent. It has the same diameter as the two-blade prop, and therefore a much narrower chord. It reminds me of the props I see down at the south end of the field at the ultralight strip, whereas the standard two-blade prop looks much more substantial. Supposedly the three-blade is a bit lighter (didn't expect that) and has a slight performance improvement in some areas, owing, I guess, to the higher aspect ratio of the individual blades. Speaking to the Van's crew, I get the feeling that they think the performance is a toss up. I've decided to stick with two blades.

I came away with some opinions after seeing it at OSH, but fist let me say that I was a big fan boy when I first head about the idea that 3 bladed prop might be a great option. Now I have seen the finish product in person and I'm not as impressed, Here are my observations.

Pros. Is the coolness factor. Thats it, that's the only thing.

Going to pay another 2,000 or so more on top of the engine kit for a little less noise and 40 FPM increase in performance.

So for this 3 bladed Fan Boy, I will have to pass, for now.
David Rohrlick
RV-12iS Completed
Airworthiness signed off by the FAA 1/23/2020
First Flight on 3/14/2020

Finishing Phase I
VAF donation made for 2020
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