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#11
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Windows for pilothouse
No probmel with automotive glass -- just compleete window units (RV or
trailer), which is what the original post was about. Cheers, Michael Porter Rufus wrote: I have a WS32 with custom dodger using 4 pieces of automotive glass the PO installed in Australia in about '80. It all cleans up very nicely, clear as can be. Not sure why it'd be any other way, but maybe I'm just a luck fellow. g Rufus Michael Porter Naval Architect / Boatbuilder mporter at mp-marine dot com www.mp-marine.com |
#12
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Windows for pilothouse
Thank you everybody for you help with windows issue.
After a lot of e-mails to rbb and direct to me, I decided to not go with plastic and automotive industry either. Yesterday I went to marine windows manufacturer - Beclawat. They are doing really professional job. I was surprised how easy it is to bend 3" radius corners with heavy aluminum extrusion. Everything is easy if you have access to proper extrusion, even could be welded nicely. I was also surprised how expensive it is. Heavy duty 1/2" tempered glass, fixed, anodized 24x30 approximately $500 Cdn. Thanks once again for your help Adam "Jim Woodward" jameslwoodward at attbi dot com wrote in message ... I think Michael was speaking of windows -- the whole installation, frame and all -- made for RVs (caravans in Brit-speak), buses, etc., which are to be avoided. Fintry had caravan windows installed as part of her 1998 refit, which we're replacing because they aren't strong enough. On the other hand, for the most part, glass is glass, although for marine use it should be either tempered or laminated -- in that sense, automotive glass is just fine. -- Jim Woodward www.mvFintry.com . "Rufus" wrote in message ... I have a WS32 with custom dodger using 4 pieces of automotive glass the PO installed in Australia in about '80. It all cleans up very nicely, clear as can be. Not sure why it'd be any other way, but maybe I'm just a luck fellow. g Rufus Michael Porter wrote: Cheap, maybe Automobile windows don't last long in salt water, any more than home windows do. Michael Porter Rufus wrote: Might see if there are any "bolt-in" size automotive windows out there. Trucks and vans would be the likely donors. Getting it from vehicles from the mid-late 90's would make it cheap and also it would likely to continue to be readily available for another 5 years or so. Rufus Michael Porter Naval Architect / Boatbuilder mporter at mp-marine dot com www.mp-marine.com |
#13
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Windows for pilothouse
I might save you a buck or two, although I told you they weren't cheap.
The ABS rules for Fintry (tough boat, go anywhere, but not anytime) call for 0.4" tempered glass in forward main deck windows and 0.3" in side windows, both 28"x36". That suggests that 1/2" glass is substantial overkill in your 24x30" windows, as smaller windows take thinner glass. I'd probably go with 3/8" tempered glass, if I were you. Or, do a little research and you might find that you could go even thinner.... The ABS numbers come from my naval architect, Jerry Gilligan at Jack Gilbert's office -- they design heavy workboats most of the time. -- Jim Woodward www.mvFintry.com .. "Adam" wrote in message ... Thank you everybody for you help with windows issue. After a lot of e-mails to rbb and direct to me, I decided to not go with plastic and automotive industry either. Yesterday I went to marine windows manufacturer - Beclawat. They are doing really professional job. I was surprised how easy it is to bend 3" radius corners with heavy aluminum extrusion. Everything is easy if you have access to proper extrusion, even could be welded nicely. I was also surprised how expensive it is. Heavy duty 1/2" tempered glass, fixed, anodized 24x30 approximately $500 Cdn. Thanks once again for your help Adam "Jim Woodward" jameslwoodward at attbi dot com wrote in message ... I think Michael was speaking of windows -- the whole installation, frame and all -- made for RVs (caravans in Brit-speak), buses, etc., which are to be avoided. Fintry had caravan windows installed as part of her 1998 refit, which we're replacing because they aren't strong enough. On the other hand, for the most part, glass is glass, although for marine use it should be either tempered or laminated -- in that sense, automotive glass is just fine. -- Jim Woodward www.mvFintry.com . "Rufus" wrote in message ... I have a WS32 with custom dodger using 4 pieces of automotive glass the PO installed in Australia in about '80. It all cleans up very nicely, clear as can be. Not sure why it'd be any other way, but maybe I'm just a luck fellow. g Rufus Michael Porter wrote: Cheap, maybe Automobile windows don't last long in salt water, any more than home windows do. Michael Porter Rufus wrote: Might see if there are any "bolt-in" size automotive windows out there. Trucks and vans would be the likely donors. Getting it from vehicles from the mid-late 90's would make it cheap and also it would likely to continue to be readily available for another 5 years or so. Rufus Michael Porter Naval Architect / Boatbuilder mporter at mp-marine dot com www.mp-marine.com |
#14
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Windows for pilothouse
Interesting. Do they have an alternate spec. for safety glass? I always
wondered which was better, since tempered was stronger, but if it ever DID break, it would be completely gone. Safety glass might break, but the lamination would hopefully hold it in place rather than just crumble out of the fixture. "Jim Woodward" jameslwoodward at attbi dot com wrote in message ... I might save you a buck or two, although I told you they weren't cheap. The ABS rules for Fintry (tough boat, go anywhere, but not anytime) call for 0.4" tempered glass in forward main deck windows and 0.3" in side windows, both 28"x36". That suggests that 1/2" glass is substantial overkill in your 24x30" windows, as smaller windows take thinner glass. I'd probably go with 3/8" tempered glass, if I were you. Or, do a little research and you might find that you could go even thinner.... The ABS numbers come from my naval architect, Jerry Gilligan at Jack Gilbert's office -- they design heavy workboats most of the time. -- Jim Woodward www.mvFintry.com . "Adam" wrote in message ... Thank you everybody for you help with windows issue. After a lot of e-mails to rbb and direct to me, I decided to not go with plastic and automotive industry either. Yesterday I went to marine windows manufacturer - Beclawat. They are doing really professional job. I was surprised how easy it is to bend 3" radius corners with heavy aluminum extrusion. Everything is easy if you have access to proper extrusion, even could be welded nicely. I was also surprised how expensive it is. Heavy duty 1/2" tempered glass, fixed, anodized 24x30 approximately $500 Cdn. Thanks once again for your help Adam "Jim Woodward" jameslwoodward at attbi dot com wrote in message ... I think Michael was speaking of windows -- the whole installation, frame and all -- made for RVs (caravans in Brit-speak), buses, etc., which are to be avoided. Fintry had caravan windows installed as part of her 1998 refit, which we're replacing because they aren't strong enough. On the other hand, for the most part, glass is glass, although for marine use it should be either tempered or laminated -- in that sense, automotive glass is just fine. -- Jim Woodward www.mvFintry.com . "Rufus" wrote in message ... I have a WS32 with custom dodger using 4 pieces of automotive glass the PO installed in Australia in about '80. It all cleans up very nicely, clear as can be. Not sure why it'd be any other way, but maybe I'm just a luck fellow. g Rufus Michael Porter wrote: Cheap, maybe Automobile windows don't last long in salt water, any more than home windows do. Michael Porter Rufus wrote: Might see if there are any "bolt-in" size automotive windows out there. Trucks and vans would be the likely donors. Getting it from vehicles from the mid-late 90's would make it cheap and also it would likely to continue to be readily available for another 5 years or so. Rufus Michael Porter Naval Architect / Boatbuilder mporter at mp-marine dot com www.mp-marine.com |
#15
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Windows for pilothouse
This particular manufacturer doesn't offer laminated glass, but other does.
The safety/laminated glass is more expensive, for 1/2" thickness it is 50% more (for glass not for entire window). I do not have price for 1/2" but 3/8" tempered glass it is ~$40Cdn/sqft Other manufacturers doesn't offer 1/2" and up in thickness or the extrusion is extremely heavy. Specification for my application says minimum 3/8 and 1/2 is recommended. As material my spec says Lexan - but I like to go with glass with the same minimum thickness. Adam "Keith" wrote in message ... Interesting. Do they have an alternate spec. for safety glass? I always wondered which was better, since tempered was stronger, but if it ever DID break, it would be completely gone. Safety glass might break, but the lamination would hopefully hold it in place rather than just crumble out of the fixture. "Jim Woodward" jameslwoodward at attbi dot com wrote in message ... I might save you a buck or two, although I told you they weren't cheap. The ABS rules for Fintry (tough boat, go anywhere, but not anytime) call for 0.4" tempered glass in forward main deck windows and 0.3" in side windows, both 28"x36". That suggests that 1/2" glass is substantial overkill in your 24x30" windows, as smaller windows take thinner glass. I'd probably go with 3/8" tempered glass, if I were you. Or, do a little research and you might find that you could go even thinner.... The ABS numbers come from my naval architect, Jerry Gilligan at Jack Gilbert's office -- they design heavy workboats most of the time. -- Jim Woodward www.mvFintry.com . "Adam" wrote in message ... Thank you everybody for you help with windows issue. After a lot of e-mails to rbb and direct to me, I decided to not go with plastic and automotive industry either. Yesterday I went to marine windows manufacturer - Beclawat. They are doing really professional job. I was surprised how easy it is to bend 3" radius corners with heavy aluminum extrusion. Everything is easy if you have access to proper extrusion, even could be welded nicely. I was also surprised how expensive it is. Heavy duty 1/2" tempered glass, fixed, anodized 24x30 approximately $500 Cdn. Thanks once again for your help Adam "Jim Woodward" jameslwoodward at attbi dot com wrote in message ... I think Michael was speaking of windows -- the whole installation, frame and all -- made for RVs (caravans in Brit-speak), buses, etc., which are to be avoided. Fintry had caravan windows installed as part of her 1998 refit, which we're replacing because they aren't strong enough. On the other hand, for the most part, glass is glass, although for marine use it should be either tempered or laminated -- in that sense, automotive glass is just fine. -- Jim Woodward www.mvFintry.com . "Rufus" wrote in message ... I have a WS32 with custom dodger using 4 pieces of automotive glass the PO installed in Australia in about '80. It all cleans up very nicely, clear as can be. Not sure why it'd be any other way, but maybe I'm just a luck fellow. g Rufus Michael Porter wrote: Cheap, maybe Automobile windows don't last long in salt water, any more than home windows do. Michael Porter Rufus wrote: Might see if there are any "bolt-in" size automotive windows out there. Trucks and vans would be the likely donors. Getting it from vehicles from the mid-late 90's would make it cheap and also it would likely to continue to be readily available for another 5 years or so. Rufus Michael Porter Naval Architect / Boatbuilder mporter at mp-marine dot com www.mp-marine.com |
#16
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Windows for pilothouse
Lexan is a very different material from glass -- it is much more flexible,
so that the issue is more "will it pop out of the frame" than "is it strong enough". It also has long term UV issues. Generally my choice for plastic windows would be acrylic (Plexiglas, etc.) rather than polycarbonate (Lexan, etc.). While acrylic is less satisfactory if you're going to throw a brick at it -- it shatters more easily -- it flexes less and has considerably better UV resistance. (On UV, I should add that if the polycarbonate has the right coating that we're talking about the difference between 10-15 years life and 30-50 years life as between polycarbonate and acrylic.) Plastics also scratch more easily than glass, polycarbonate more easily than acrylic. You have to be very careful to use lots of water when you remove salt. Tempered glass is, however, the best solution. -- Jim Woodward www.mvFintry.com .. "Adam" wrote in message ... This particular manufacturer doesn't offer laminated glass, but other does. The safety/laminated glass is more expensive, for 1/2" thickness it is 50% more (for glass not for entire window). I do not have price for 1/2" but 3/8" tempered glass it is ~$40Cdn/sqft Other manufacturers doesn't offer 1/2" and up in thickness or the extrusion is extremely heavy. Specification for my application says minimum 3/8 and 1/2 is recommended. As material my spec says Lexan - but I like to go with glass with the same minimum thickness. Adam "Keith" wrote in message ... Interesting. Do they have an alternate spec. for safety glass? I always wondered which was better, since tempered was stronger, but if it ever DID break, it would be completely gone. Safety glass might break, but the lamination would hopefully hold it in place rather than just crumble out of the fixture. "Jim Woodward" jameslwoodward at attbi dot com wrote in message ... I might save you a buck or two, although I told you they weren't cheap. The ABS rules for Fintry (tough boat, go anywhere, but not anytime) call for 0.4" tempered glass in forward main deck windows and 0.3" in side windows, both 28"x36". That suggests that 1/2" glass is substantial overkill in your 24x30" windows, as smaller windows take thinner glass. I'd probably go with 3/8" tempered glass, if I were you. Or, do a little research and you might find that you could go even thinner.... The ABS numbers come from my naval architect, Jerry Gilligan at Jack Gilbert's office -- they design heavy workboats most of the time. -- Jim Woodward www.mvFintry.com . "Adam" wrote in message ... Thank you everybody for you help with windows issue. After a lot of e-mails to rbb and direct to me, I decided to not go with plastic and automotive industry either. Yesterday I went to marine windows manufacturer - Beclawat. They are doing really professional job. I was surprised how easy it is to bend 3" radius corners with heavy aluminum extrusion. Everything is easy if you have access to proper extrusion, even could be welded nicely. I was also surprised how expensive it is. Heavy duty 1/2" tempered glass, fixed, anodized 24x30 approximately $500 Cdn. Thanks once again for your help Adam "Jim Woodward" jameslwoodward at attbi dot com wrote in message ... I think Michael was speaking of windows -- the whole installation, frame and all -- made for RVs (caravans in Brit-speak), buses, etc., which are to be avoided. Fintry had caravan windows installed as part of her 1998 refit, which we're replacing because they aren't strong enough. On the other hand, for the most part, glass is glass, although for marine use it should be either tempered or laminated -- in that sense, automotive glass is just fine. -- Jim Woodward www.mvFintry.com . "Rufus" wrote in message ... I have a WS32 with custom dodger using 4 pieces of automotive glass the PO installed in Australia in about '80. It all cleans up very nicely, clear as can be. Not sure why it'd be any other way, but maybe I'm just a luck fellow. g Rufus Michael Porter wrote: Cheap, maybe Automobile windows don't last long in salt water, any more than home windows do. Michael Porter Rufus wrote: Might see if there are any "bolt-in" size automotive windows out there. Trucks and vans would be the likely donors. Getting it from vehicles from the mid-late 90's would make it cheap and also it would likely to continue to be readily available for another 5 years or so. Rufus Michael Porter Naval Architect / Boatbuilder mporter at mp-marine dot com www.mp-marine.com |
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