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Author Topic: Bent Shaft on RCA9030
Barry Floyd
Phenomenal Film Handler

Posts: 1079
From: Lebanon, Tennessee, USA
Registered: Mar 2000


 - posted 08-20-2001 10:55 AM      Profile for Barry Floyd   Author's Homepage   Email Barry Floyd   Send New Private Message       Edit/Delete Post 
This past weekend I moved all of my projection equipment into "long-term" storage.

When we "re-assembled" the soundheads and projectors back onto the pedestals - I found that somehow we bent the shaft on one of my RCA-9030 soundheads. It's the shaft that has the sound drum on one end and the oil-dampened flywheel on the other. Before anyone asks.... Yes I took the flywheels off before we moved them.

My question is... Can this be straightened - or does it have to be replaced. It still turns, but it has a definite "wobble" to it.

Any suggestions....

------------------
Barry Floyd
Floyd Entertainment Group
Nashville, Tennessee
(Drive-In Theatre - Start-Up)

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Gordon McLeod
Film God

Posts: 9532
From: Toronto Ontario Canada
Registered: Jun 99


 - posted 08-20-2001 10:57 AM      Profile for Gordon McLeod   Email Gordon McLeod   Send New Private Message       Edit/Delete Post 
You can probably get a good used soundhead for less than the cost of the shaft

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Ken Layton
Phenomenal Film Handler

Posts: 1452
From: Olympia, Wash. USA
Registered: Sep 1999


 - posted 08-20-2001 10:58 AM      Profile for Ken Layton   Email Ken Layton   Send New Private Message       Edit/Delete Post 
Replace it or you'll always have a flutter in the sound. Replacements are available from Wolk.

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Mark Gulbrandsen
Resident Trollmaster

Posts: 16657
From: Music City
Registered: Jun 99


 - posted 08-20-2001 04:33 PM      Profile for Mark Gulbrandsen   Email Mark Gulbrandsen   Send New Private Message       Edit/Delete Post 
Better yet, visit the nearest projector graveyard and save 250 grand over the Wolk price.
The shaft cannot be strratghtened out as it was ground between centers to attain its .0001 or less tolerance. If it is visibly bent then it is way to far bent to save. Look for a parts soundhead. There are hundreds of them around.
Mark @ GTS

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Randy Stankey
Film God

Posts: 6539
From: Erie, Pennsylvania
Registered: Jun 99


 - posted 08-20-2001 07:19 PM      Profile for Randy Stankey   Email Randy Stankey   Send New Private Message       Edit/Delete Post 
So, what is the liklihood that the drum/shaft from a SH-1000 would fit the RCA? They look similar enough, at least superficially, that you'd think that part might be interchangeable.
(Just wondering...)

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Paul G. Thompson
The Weenie Man

Posts: 4718
From: Mount Vernon WA USA
Registered: Nov 2000


 - posted 08-22-2001 04:08 PM      Profile for Paul G. Thompson   Email Paul G. Thompson   Send New Private Message       Edit/Delete Post 
9030's are getting a dime a dozen, almost. If yours is in excellent shape, find some junker and get the shaft out of it.

Randy, I don't think the SH-1000 and RCA 9030 shafts are interchangable.

Paul


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