Author Topic: GSC Props  (Read 639 times)

Offline Kamcoman77

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GSC Props
« on: July 02, 2022, 10:36:19 AM »
Is anyone running a GSC prop on their engine? I would like to know how it performs and what diameter/pitch you are using. Performance Props is quoting 12-14 months and Culver 2-4 months lead time. GSC is lower cost and much quicker availability.

Offline Chuck in Indiana

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Re: GSC Props
« Reply #1 on: July 03, 2022, 04:16:29 AM »
Have you tried Ed Sterba? He's been building Vdub props forever, does nice work.

Offline Kamcoman77

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Re: GSC Props
« Reply #2 on: July 03, 2022, 08:53:50 AM »
I am running a Sterba 54Dx22P on my 37hp test stand engine now. It is a very nice prop. A friend of mine just tried to order one and was told that Ed was no longer making props. With the tremendously long lead times for Performance & Culver we are looking into GSC as an alternate.

Offline Chuck in Indiana

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Re: GSC Props
« Reply #3 on: July 03, 2022, 12:58:27 PM »
Wow. I must have gotten the prop for the Verner just in the nick of time.

Offline Kamcoman77

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Re: GSC Props
« Reply #4 on: July 03, 2022, 06:40:09 PM »
Don't know when Ed decided to stop. He made my prop in June of 2021. I'm making a prop copier machine so I can make duplicates of mine. I don't know how he adds the leading edge polyurethane so my copies will just be all wood.

Offline Chuck in Indiana

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Re: GSC Props
« Reply #5 on: July 04, 2022, 05:21:22 AM »
Don't know when Ed decided to stop. He made my prop in June of 2021. I'm making a prop copier machine so I can make duplicates of mine. I don't know how he adds the leading edge polyurethane so my copies will just be all wood.
I'd really like to see your prop copier project..a pantagraph sort of thing, I suppose?

Offline Kamcoman77

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Re: GSC Props
« Reply #6 on: July 04, 2022, 10:00:47 AM »
Chuck, there are a lot of prop copier designs out there. The one I'm building looks crude but should work fine as long as all dimensions are correct. I bought the plans from Copycarver.com and bought the parts from various sources. YouTube video is: https://www.youtube.com/watch?v=6SJaEqry924&list=PLyq1IJWU1_1pV7y8wbcIFxdTcxmsUPvdJ  The metal parts cost me $150, all new. I already had the 3/4" ply & the routers.

Offline Chuck in Indiana

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Re: GSC Props
« Reply #7 on: July 04, 2022, 01:47:12 PM »
Pretty crude but it gets the job done.  :) I was thinking ground Thompson shafting and linear bearings, but that works.. I had visions of making a prop or two a few years ago, but I think I'm over it.
Thanks!

 

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