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| bridge weight 40grams http://luthiersforum.com/forum/viewtopic.php?f=10101&t=49177 |
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| Author: | dertien616 [ Thu Mar 23, 2017 10:29 am ] |
| Post subject: | bridge weight 40grams |
Is a bridge weigh of 40 grams ok. I have this bridge finished and can not get the weight down. I usually shoot for 35. |
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| Author: | Rodger Knox [ Thu Mar 23, 2017 10:40 am ] |
| Post subject: | Re: bridge weight 40grams |
How big is the guitar? That may be OK for a dred or jumbo, but I think it's a little too heavy. It can be made to work, depending on the rest of the design. I typically use much lighter bridges (~25 grams), so it would be good to wait for someone that uses a heavier bridge. I believe Somogyi uses 35 grams for his bridges, so heavy bridges can work. |
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| Author: | Colin North [ Thu Mar 23, 2017 10:55 am ] |
| Post subject: | Re: bridge weight 40grams |
Never made one as heavy (even from African Blackwood) as that so I can't say, what's it mde from? And a pic may bring suggestions to lighten it if you want to. I typically shave a slope south of the saddle, to around 2.5mm at the rear after gluing it on. |
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| Author: | dpetrzelka [ Fri Mar 24, 2017 8:54 am ] |
| Post subject: | Re: bridge weight 40grams |
Have any of you opened up a cavity in the bottom of a bridge to lighten the weight? Maintaining the full perimeter of the footprint, but just adding some pockets might bring the weight down, but still preserve a very functional gluing footprint. I have never tried this myself, but I keep thinking about the Gibson mustache style bridges... |
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| Author: | Jim Watts [ Mon Mar 27, 2017 10:59 am ] |
| Post subject: | Re: bridge weight 40grams |
I've thought about that, but worry about the surface area reduction for gluing strength. Although I've never considered the Gibson mustache bridge when trying to think through that. |
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| Author: | Joe Beaver [ Mon Mar 27, 2017 12:46 pm ] |
| Post subject: | Re: bridge weight 40grams |
Depends. If it is a large top, with fairly lightl bracing and a light bridge plate, a heavy bridge might be just the ticket. I had a similar situation with an african blackwood bridge. It worked great. I'd have to check my records but I think it 39g If yours is a OM or SJ or smaller sized guitar and is heavily braced it probably will hinder top response. But my experience is limited to one heavy bridge. I mostly use bois de rose for 27 to 32g bridges now. |
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