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Stroboscope Wanted

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Posted: Sat Aug 14th, 2021 01:48 am

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1^st Post

Bill Shampine
AFCA Member

Joined:	Sun Sep 6th, 2020
Location:	Syracuse, New York USA
Status:	Offline

Looking to buy a stroboscope to help me balance blades on my growing collection. Let me know if you have one you are willing to part with or if there is an inexpensive option out in the marketplace. I’ve tried the iPhone app, but find the flash to be inconsistent. PM me if you have one to sell or post reply to the forum if you have advice that others might find useful.
Bill

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Posted: Sat Aug 14th, 2021 03:31 am

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2^nd Post

Jon Kovach
AFCA Member

Joined:	Thu Aug 27th, 2020
Location:	Los Angeles, California USA
Status:	Offline

I got one from 1963 on eBay for $50. Maybe check there. If you don’t have any luck pm me, I might be willing to part with mine. I’ve found using a prop balancer much easier.

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Posted: Sat Aug 14th, 2021 03:36 am

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3^rd Post

Jon Kovach
AFCA Member

Joined:	Thu Aug 27th, 2020
Location:	Los Angeles, California USA
Status:	Offline

https://www.ebay.com/itm/General-Radio-Vintage-1940S-Strobotac-Model-631-B-Timing-Stroboscope-Strobolux-/233499244793?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l6249&mkrid=711-127632-2357-0

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Posted: Sat Aug 14th, 2021 03:39 am

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4^th Post

Jon Kovach
AFCA Member

Joined:	Thu Aug 27th, 2020
Location:	Los Angeles, California USA
Status:	Offline

https://www.ebay.com/itm/Vintage-Strobotac-Stroboscope-Strobe-Light-Mercury-Electronics-TS-805-C-U-Works-/402475137995?mkcid=16&mkevt=1&_trksid=p2349624.m46890.l49286&mkrid=711-127632-2357-0

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Posted: Sat Aug 14th, 2021 03:42 am

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5^th Post

Bill Shampine
AFCA Member

Joined:	Sun Sep 6th, 2020
Location:	Syracuse, New York USA
Status:	Offline

Thanks. I saw that one but it says it’s not working and for parts only. I would trust one coming from a member knowing it been successfully used for balancing fan blades.

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Posted: Sat Aug 14th, 2021 05:11 am

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6^th Post

Russ Huber
AFCA Member

Joined:	Mon Nov 14th, 2005
Location:	Southwest, Wisconsin USA
Status:	Offline

Jon Kovach wrote: I got one from 1963 on eBay for $50. Maybe check there. If you don’t have any luck pm me, I might be willing to part with mine. I’ve found using a prop balancer much easier.
One serves one purpose, the other serves another purpose. With a strobe you can spot an out of clock blade, and you can get all the wings uniform traveling within the same plane.

With the prop balancer you can eliminate vibration caused by a heavy wing which will drop to the bottom.

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Posted: Sat Aug 14th, 2021 05:19 am

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7^th Post

Russ Huber
AFCA Member

Joined:	Mon Nov 14th, 2005
Location:	Southwest, Wisconsin USA
Status:	Offline

Bill Shampine wrote: Thanks. I saw that one but it says it’s not working and for parts only. I would trust one coming from a member knowing it been successfully used for balancing fan blades.
I purchased one from John McComas in past that I am most pleased with. It is an Ametek DIGITAL read out strobe. The digital feature is a peach being you can clock blade RPM. Once this is achieved, you can double/triple the initial blade RPM to freeze the blade with 2 sets of wings overlapping.....4 sets of wings overlapping...etc. and really fine tune that blade to run smooth as silk. You just need to learn the tricks.

Attached Image (viewed 299 times):

Last edited on Sat Aug 14th, 2021 05:20 am by Russ Huber

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Posted: Sat Aug 14th, 2021 05:49 am

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8^th Post

Jon Kovach
AFCA Member

Joined:	Thu Aug 27th, 2020
Location:	Los Angeles, California USA
Status:	Offline

Russ Huber wrote: Jon Kovach wrote: I got one from 1963 on eBay for $50. Maybe check there. If you don’t have any luck pm me, I might be willing to part with mine. I’ve found using a prop balancer much easier.
One serves one purpose, the other serves another purpose. With a strobe you can spot an out of clock blade, and you can get all the wings uniform traveling within the same plane.

With the prop balancer you can eliminate vibration caused by a heavy wing which will drop to the bottom.

Thanks Russ that is helpful! I’ve learned that having the blades in clock is key to a smooth running blade. It’s the first thing I true up when balancing a blade. The blade being in clock seems to be the most important thing to correct when working on blades for me. Pitch can be off and the fan won’t hop across the floor like when it’s out of clock.

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Posted: Sat Aug 14th, 2021 05:54 am

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9^th Post

Jon Kovach
AFCA Member

Joined:	Thu Aug 27th, 2020
Location:	Los Angeles, California USA
Status:	Offline

Bill Shampine wrote: Thanks. I saw that one but it says it’s not working and for parts only. I would trust one coming from a member knowing it been successfully used for balancing fan blades.
A stroboscope that works is definitely what you need. I got a decent one but took a chance on buying on eBay. I had some luck with mine after reading this article. https://www.fancollectors.org/info/balancing.htm

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Posted: Sat Aug 14th, 2021 04:40 pm

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10^th Post

Daniel OToole
AFCA Member

Joined:	Mon Jun 3rd, 2013
Location:	RED OAK, Texas USA
Status:	Offline

PM SENT

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Posted: Sat Aug 14th, 2021 07:17 pm

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11^th Post

Steve Sherwood
AFCA Member

Joined:	Mon Nov 14th, 2005
Location:	Peculiar, Missouri USA
Status:	Offline

SOLD!!!!!!!This one works perfect. I have 2 of these. $90 includes shipping, I have used this one many times. Has an LED screen so you the exact strobes pre second.

Last edited on Sun Aug 15th, 2021 04:22 pm by Steve Sherwood

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