| Which Marquee tweak /mod to do first |
| Draganm mods |
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15% |
[ 3 ] |
| New version Moome 1.3 |
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31% |
[ 6 ] |
| Eye one Calman device |
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10% |
[ 2 ] |
| Red C-Element with new Bellows |
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42% |
[ 8 ] |
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| Total Votes : 19 |
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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dturco
Joined: 06 Feb 2009
Posts: 3778
Location: Eastern Shore Maryland
TV/Projector: Runco DLP VX-3000i Marquee 9500 parts doner
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| Posted: Fri Jun 26, 2009 12:11 pm Post subject: |
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Ben, what tweak do you need for that? Do I have to do another C-Element and change out the Glycol with rocket fuel? Or is it done on the Motherboard and require soldering, I'll have to take up soldering but boy oh boy it 'll be worth it. Did it make for a more panaromic viewing experience? I bet it does.
Ohh wait, your funning me aren't you. 
Photoshop is great.
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Fri Jun 26, 2009 1:30 pm Post subject: |
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| stefuel wrote: | | It's just like putting a straw in a tall glass of water, putting your finger on the straws end and lifting it out of the glass. The water stays in the straw even with a big hole at the bottom. . |
straw in a glassof milk? Thta's a silly analogy and You've obviously never seen a rottten 10+ year old bellow from a Marquee before. They're POROUS and weep fluid, no pressure required.
Last edited by draganm on Fri Jun 26, 2009 7:12 pm; edited 1 time in total
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schmoe
Joined: 30 Mar 2008
Posts: 374
Location: Seattle, WA
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| Posted: Fri Jun 26, 2009 6:48 pm Post subject: |
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Imagine the size screen you'd need here on Earth if you were projecting from the moon. 
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Fri Jun 26, 2009 10:20 pm Post subject: |
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| draganm wrote: | | stefuel wrote: | | It's just like putting a straw in a tall glass of water, putting your finger on the straws end and lifting it out of the glass. The water stays in the straw even with a big hole at the bottom. . |
straw in a glassof milk? Thta's a silly analogy and You've obviously never seen a rottten 10+ year old bellow from a Marquee before. They're POROUS and weep fluid, no pressure required. |
I'm gonna have fun with this.
1. Next time you go out of your way to quote someone with the intent of making them look stupid, at least quote them correctly and get your spelling correct.
2. You would like me to believe that a sealed container with lower internal presure then the surrounding atmosphere will leak fluid out? That goes against the laws of physics.
3. Yes I have seen a old Marquee LC tube assembly and actually have one right in front of me that I removed the pressure from months ago. It has not lost a drop since. It was a leaker prior to pressure removal. I'd also like to add that the c-element retaining ring had been removed at the same time. It has been sitting, full of fluid, without a retaining ring for months and has not lost a drop. I will gladly provide pictures. I never cleaned the residue off from when it was leaking so it will be obvious that it was a leaker but dry as a bone now.
_________________
Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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CRT_Ben
Joined: 28 Aug 2006
Posts: 1684
Location: Northern Virginia
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| Posted: Fri Jun 26, 2009 10:34 pm Post subject: |
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Chip:
On the surface your analogy seems to be a good one, but it's flawed. It would seem that over time the quee bellows draw in moisture from the surrounding air and build up slight pressure as the glycol absorbs the water. How well does the straw hold water if the finger on the top has a pinhole that slowly equalizes the pressure?
All theory aside, the quees have crappy bellows that have been proven to sweat and leak quite reliably over time. A one month test doesn't prove anything, a ten year test might.
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dturco
Joined: 06 Feb 2009
Posts: 3778
Location: Eastern Shore Maryland
TV/Projector: Runco DLP VX-3000i Marquee 9500 parts doner
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| Posted: Fri Jun 26, 2009 10:40 pm Post subject: |
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The Glycol is in the tube housing and no leaks as of this moment. 
I will leave it out overnight with a paper towel under it to check for any drops.
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http://www.hulu.com/firefly
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Fri Jun 26, 2009 11:10 pm Post subject: |
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| CRT_Ben wrote: | Chip:
On the surface your analogy seems to be a good one, but it's flawed. It would seem that over time the quee bellows draw in moisture from the surrounding air and build up slight pressure as the glycol absorbs the water. How well does the straw hold water if the finger on the top has a pinhole that slowly equalizes the pressure?
All theory aside, the quees have crappy bellows that have been proven to sweat and leak quite reliably over time. A one month test doesn't prove anything, a ten year test might. |
It's all theory. Your theory is that the pressure is caused by moisture migrating in through the bellows. That's the easy and quick answer that everyone has adopted. However, that's only one of at least three places it could happen. It could be entering in through the glue that holds the tube in place. It's just as likely to enter directly through the c-element. However if there is pressure in the bellows to begin with, you are asking moisture to migrate from a lower pressure to a higher pressure which again goes against the laws of physics. Now I'll gross you out. It might not be any of the above.
It's just as likely that the chambers were contaminated from the start. Microbes in the coolant could be slowly digesting the fluid and replacing it with their own byproducts of digestion (acidic microbial PEE and FART GAS).
_________________
Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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dturco
Joined: 06 Feb 2009
Posts: 3778
Location: Eastern Shore Maryland
TV/Projector: Runco DLP VX-3000i Marquee 9500 parts doner
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| Posted: Fri Jun 26, 2009 11:11 pm Post subject: |
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| Nashou66 wrote: | | dturco wrote: | Schome you got me here. YMMV?
I waited for the bellows just for this reason I may not need it but......My luck is just not that good. |
You might as well use it , you have 90 days if you want the other two
at only another 75$ to make it a full set
Athanasios |
Nashou your like a pusher man. Here's a little taste on the cheap. I know you'll be back. And I will be ordering the other 2 very shortly. I might as well do them before I put the 9500 on the ceiling. Plus it gives me the chance to get rid of all that soot in the machine which has been bothering me.
The Red tube and casing looks real PURDY now. 
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Firefly rules. Can't stop the signal.
http://www.hulu.com/firefly
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CRT_Ben
Joined: 28 Aug 2006
Posts: 1684
Location: Northern Virginia
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| Posted: Fri Jun 26, 2009 11:25 pm Post subject: |
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Chip:
I don't buy moisture getting in through the C element. Solid acrylic, and many other PJs use this C with no problems. The silicone holding the tube in place? Maybe, but a real stretch especially compared to the bellows. Why? Because when pressure does build up, the bellows weep, the tube silicon doesn't. Microbes? If that were the case, why don't other PJs have the same problem?
The fact that the bellows are so prone to weeping under pressure is well documented. What makes you think they will keep anything out under negative pressure?
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Nashou66
Joined: 12 Jan 2007
Posts: 16171
Location: West Seneca NY
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| Posted: Fri Jun 26, 2009 11:46 pm Post subject: |
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Chip dont you use hospital grade distilled water instead of glycol? I have to try that in one tube for an experiment.
I have taken pressure out of all the 8 inch LC tubes I got the donor bellow from that I gave to Apple rubber. I cleaned them all up after and let them sit, they began to sweat , like condensation on a mirror in a really hot steam room where the condensation begins to collect to drops. These have no leaks from the sealing contacts. And like Dale said the 99% silicon bellows have a 7.5 worse vapor transmission than the new material.
Athanasios
_________________
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Marquee High Performance Bellows now shipping!!
Marquee Modifications and Performance Enhancement
Marquee C-element and Bellow removal
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sat Jun 27, 2009 12:03 am Post subject: |
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"Microbes? If that were the case, why don't other PJs have the same problem?"
Because the same grubby Canadian didn't build the AmPro's, Sony's and Barco's
But it may explain why NEC air coupled tubes become over pressured and crack the glass.
All kidding aside, microbes or their by-product of digestion is exactly what causes home heating oil tanks to fail.
In short, don't jump to conclusions as to why it happens.
_________________
Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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garyfritz
Joined: 08 Apr 2006
Posts: 12088
Location: Fort Collins, CO
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| Posted: Sat Jun 27, 2009 12:10 am Post subject: |
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But glycol is known to be hydrophilic. It makes sense that it would absorb moisture if the bellows let it pass.
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sat Jun 27, 2009 12:15 am Post subject: |
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| garyfritz wrote: | | But glycol is known to be hydrophilic. It makes sense that it would absorb moisture if the bellows let it pass. |
Give the boy a lollypop. You are correct. It would also absorb the moisture from the by-products of digestion which is mostly water. Are we there yet?
_________________
Chip
A Barco is only a AmPro with training wheels
Card carrying member of the AVS chain gang.
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stefuel
Joined: 07 Mar 2006
Posts: 3353
Location: Green Harbor MA USA
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| Posted: Sat Jun 27, 2009 12:28 am Post subject: |
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In case you are wondering, YES I did take and pay attention to chemistry and physics. Christ, how the hell could you expect to make high quality recreational drugs without 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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CRT_Ben
Joined: 28 Aug 2006
Posts: 1684
Location: Northern Virginia
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| Posted: Sat Jun 27, 2009 12:42 am Post subject: |
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My two earlier posts were a bit short, I was on my phone...
You're stuck on the microbes when the bellows are *proven* to pass moisture  Even if they exist the bellows sure as hell exacerbate the problem!
Other projectors use the same C elements, the same glycol, likely the same or very similar silicone to secure the tubes, and not a single one has a problem but the Marquee...the only distinct factor is...well you can figure it out?
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Sat Jun 27, 2009 5:03 am Post subject: |
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| stefuel wrote: | | It has been sitting, full of fluid, without a retaining ring for months and has not lost a drop. I will gladly provide pictures. I never cleaned the residue off from when it was leaking so it will be obvious that it was a leaker but dry as a bone now. |
that's great Chip, sounds like puppy is ready for installation in yuor favorite Ampro or whatever. I'll make sure to push the spell check button next time since you feel it adds more credibility to a persons opinion.
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dturco
Joined: 06 Feb 2009
Posts: 3778
Location: Eastern Shore Maryland
TV/Projector: Runco DLP VX-3000i Marquee 9500 parts doner
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| Posted: Tue Jun 30, 2009 11:21 pm Post subject: |
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Back on topic.
The Red tube has been sitting for nearly a week now and no leaks. Time to put it back in GOZER and see the improved red. I also ordered the other 2 bellows from Nashou. I had so much fun on this one why not press my luck?
That's not sarcasm it was fun. I enjoyed it. Like I said earlier it is done and finished, so I feel like I accomplished something.
Plus I cleaned out GOZER'S insides too. 
_________________
Firefly rules. Can't stop the signal.
http://www.hulu.com/firefly
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dturco
Joined: 06 Feb 2009
Posts: 3778
Location: Eastern Shore Maryland
TV/Projector: Runco DLP VX-3000i Marquee 9500 parts doner
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| Posted: Wed Jul 01, 2009 9:10 pm Post subject: |
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GOZER'S GREEN An 8? or 7?
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4195 Time(s) |
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335.57 KB |
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4191 Time(s) |
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Firefly rules. Can't stop the signal.
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draganm
Joined: 08 Mar 2006
Posts: 8990
Location: Colorado
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| Posted: Wed Jul 01, 2009 9:19 pm Post subject: |
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7.5
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