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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Wed Mar 05, 2008 9:32 pm Post subject: marquee 9" rear tube mounting plate |
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does anyone have a schematic for this part, or one I could borrow for a few days? It seems there have been a lot of 8500LCs that could use 9 inch tubes except for this major stumbling block. I'm thinking of simply hogging them out of billet on a CNC mill and then anodizing.
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nuttall_chris
Joined: 08 Mar 2006
Posts: 832
Location: Ottawa, Ontario, Canada
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| Posted: Wed Mar 05, 2008 9:37 pm Post subject: |
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If your looking to upgrade an 8500LC to a 9500LC, I have a complete set of 9" Marqee housings with busted tubes in them. Make me an offer.
Chris.
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Ile
Joined: 09 Mar 2006
Posts: 1491
Location: Jyväskylä, Finland
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| Posted: Fri Mar 07, 2008 2:41 pm Post subject: |
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I think you have to make two different plates for one projector, least for AC Marquee.
I made two bit simplified set of those plates using hand tools and almost made drawings. But then I though that nobody else wouldn't make those anyway, because VDC sels those for $120 or something...
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Fri Mar 07, 2008 4:44 pm Post subject: |
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i'm not talking about the upper and lower tube assembly mounting plates. I'm talking about the back half of the LC chamber. Looksl ike i'll be be buying a set from Chris anyway so I doubt I will machine any.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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speedyandre
Joined: 18 Dec 2006
Posts: 291
Location: Netherlands
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| Posted: Sun Sep 14, 2008 10:58 am Post subject: |
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My 9500LC housings are available too, I think I'll stick with Sony after the debacle with my fried tubes 
André
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Heywood Jablome
Joined: 12 Mar 2006
Posts: 1548
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| Posted: Sun Sep 14, 2008 12:01 pm Post subject: |
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I've got a clean one, with C element (clear) and without tube, which belongs to Chip (stefuel.) If anyone wants to take up the challenge of reverse-engineering a mount PM him and ask to borrow it, I'll ship it if he's willing to share.
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"Those countries which lag behind in industry, in the application of mechanics and technical chemistry, in the careful selection and utilization of natural products, where the respect for such activities does not permeate all classes of society, will unfailingly decline in prosperity. They will sink faster when neighbor states, with an energetic exchange between science and industry, go forward with renewed vitality."
-- Baron Alexander von Humboldt: 1769-1859
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sun Sep 14, 2008 1:09 pm Post subject: |
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I have not had a 8500LC in my hands but why couldn't you just set one up in a CNC or plain old milling maching and hog it out to 9" measuements. If someone wants to send me a 8500LC coupling, I could drop it off along with one of my 9500 couplings at a friends shop down the street from me and see if he can do it.
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Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sun Sep 14, 2008 2:21 pm Post subject: |
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I assume the first thing would be to compare it to one from a 9500 to see if there is enough meat to hog out. My brother-in-law is a CNC programmer. If he can establish the coordinates using a 9500 blank and save them to a data base it might be as simple as dropping the 8500 on the table and let-er rip. My friend down the street has a regular milling maching in his basement. I have no idea what either would charge.
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Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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AnalogRocks
Forum Moderator
Joined: 08 Mar 2006
Posts: 26706
Location: Toronto, Ontario, Canada
TV/Projector: Sony 1252Q, AMPRO 4000G
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| Posted: Sun Sep 14, 2008 3:15 pm Post subject: |
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| stefuel wrote: | | I assume the first thing would be to compare it to one from a 9500 to see if there is enough meat to hog out. My brother-in-law is a CNC programmer. If he can establish the coordinates using a 9500 blank and save them to a data base it might be as simple as dropping the 8500 on the table and let-er rip. My friend down the street has a regular milling maching in his basement. I have no idea what either would charge. |
Hmmm woulnd't the milling machine cut that 8500 to shreds  a little at a time?
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Sun Sep 14, 2008 3:34 pm Post subject: |
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| stefuel wrote: | | I have not had a 8500LC in my hands but why couldn't you just set one up in a CNC or plain old milling maching and hog it out to 9" measuements. If someone wants to send me a 8500LC coupling, I could drop it off along with one of my 9500 couplings at a friends shop down the street from me and see if he can do it. |
I don't think it's doable, they're cast pieces and are not any larger than they need to be. I wish we could find that pic someone posted of both pieces side by side, the 8500Lc back-plate is much smaller.
Also, the front plate isn't machineable from a cost effectiveness POV, you would need to start with a solid block of AL 10 inches square and that's nuts. However maching the back plates could have one huge advanatge, those crappy little fill hoes could be re-designed and then have the whole thing Anodized (coated) to prevent the common corrosion problem.
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sun Sep 14, 2008 4:36 pm Post subject: |
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| AnalogRocks wrote: | | stefuel wrote: | | I assume the first thing would be to compare it to one from a 9500 to see if there is enough meat to hog out. My brother-in-law is a CNC programmer. If he can establish the coordinates using a 9500 blank and save them to a data base it might be as simple as dropping the 8500 on the table and let-er rip. My friend down the street has a regular milling maching in his basement. I have no idea what either would charge. |
Hmmm woulnd't the milling machine cut that 8500 to shreds a little at a time? |
Who cares as long as it's not a AmPro 
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Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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nuttall_chris
Joined: 08 Mar 2006
Posts: 832
Location: Ottawa, Ontario, Canada
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Tim in Phoenix
Joined: 21 Oct 2006
Posts: 4409
Location: Phoenix
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| Posted: Sun Sep 14, 2008 4:51 pm Post subject: |
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Guys!
I have maybe ten complete spent nine inch tube assemblies here, no yokes or covers, $100 and shipping. Trying to machine an 8" LC plate risks tearing the bellows to get it apart.
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zGman
Joined: 22 May 2006
Posts: 599
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| Posted: Sun Sep 14, 2008 4:59 pm Post subject: |
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The 9" tube mounting plate is actually made in two parts, glued and screwed together.
The machine work to duplicate this piece would far exceed the cost to get a set from Tim.
Actually just getting the raw aluminum billets would probably put you out of the ballpark....
G
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sun Sep 14, 2008 5:26 pm Post subject: |
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Well that blows the crap out of my idea
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Chip
A Barco is only a AmPro with training wheels
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