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wood Propeller

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Project by cnccutter posted 02-13-2012 04:18 AM 2427 views 3 times favorited 5 comments Add to Favorites Watch
wood Propeller
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got a chance to play today on a project I’ve wanted to do for a long time. this is a maple air plane propeller 24 inches tip to tip. now that I have all the darn math worked out I’d like to kick it up to 36 and then 48 inches long.

this one took me about an hour to machine the final profile.

Erik

-- Erik





5 comments so far

View BigTiny's profile

BigTiny

1676 posts in 2348 days


#1 posted 02-13-2012 09:15 AM

Hi Erik.

I would guess getting the pitch correct at each diameter was the hardest part, eh? Only an hour to complete? You should go into the business. I’ve tried to make my own model props when I was a teenager, but had little success, but was doing it all by hand and the balance was so critical I just couldn’t get them not to vibrate.

Paul

-- The nicer the nice, the higher the price!

View cnccutter's profile

cnccutter

60 posts in 2714 days


#2 posted 02-13-2012 02:25 PM

Paul, I have a friend that fly’s RC planes. I will take my prop over to him this week and see how close to balanced I am. maybe even put it on one of his planes and see if it works. I dont know about doing it for a biz. I was looking and cant believe how cheap the import ones are.

Erik

-- Erik

View StumpyNubs's profile

StumpyNubs

6852 posts in 2260 days


#3 posted 02-13-2012 02:29 PM

A project like that looks deceptively simple, but it obviously takes a tremendous amount of skill! Thanks for posting!

-Jim; aka “Stumpy Nubs”
Blue Collar Woodworking? FINALLY, a woodworking show for us morons! ” -The Hoboken Evening Review

-- Subscribe to "Stumpy Nubs Woodworking Journal"- One of the crafts' most unique publications: http://www.stumpynubs.com/

View BigTiny's profile

BigTiny

1676 posts in 2348 days


#4 posted 02-13-2012 06:38 PM

Hi Erik.

I know imported model aircraft props are cheap, but I was thinking more of the decorator market. They pay several hundred dollars for props to be used as decorations, usually in the five or six foot range. I’ve seen six footers go for more than $750. Of course, they were antiques which adds to the value, but a new one should bring about half that.

As for trying it out on your friend’s R/C model engine, it better be a very large one to throw a 24 inch prop. My .91 only throws a 12 or 13 inch.

Keep us up on your production, and if you have the time you might want to do a “how to” blog on making a wooden prop as there are a number of aviation nuts like me here that would love to make one to hang on the wall in their den or rec room.

Paul

-- The nicer the nice, the higher the price!

View camps764's profile

camps764

867 posts in 1819 days


#5 posted 02-14-2012 03:24 AM

I’m not an aviation nut, but I would love to try my hand at something like this as well. I’ll keep my eyes open for the how to blog.

-- Steve

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