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dreadnought plan
http://www.luthiersforum.com/forum/viewtopic.php?f=10101&t=30752
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Author:  J Hewitt [ Mon Jan 17, 2011 7:08 pm ]
Post subject:  dreadnought plan

I building a Dread...based on the Stew mac plan. I want to use medium strings on this guitar. I'm assuming that the braceing size on the plan is for medium strings.....I was going to go with 1/4 in wide with 3/4 height at the X....what are the Dread builders experience and input here? I know there are other things to take into account like top thickness...ect

Thanks,
Jeff

Author:  bluescreek [ Mon Jan 17, 2011 7:22 pm ]
Post subject:  Re: dreadnought plan

You don't need to go 3/4 in high on the 1/4 in braces . That is what is used on the D 35 . That plan will make a decent guitar.

Author:  J Hewitt [ Tue Jan 18, 2011 7:27 pm ]
Post subject:  Re: dreadnought plan

Thanks Bluecreek and Todd for your responses to my question....even though they contradict one another. With no more answers than I have got from other viewers...I think I will go with 1/4 x around 5/8 tall X brace.

Sometimes I wonder If I post dumbass questions here? I never get much input on the questions I post?....Just something I'm curious about...

Thanks,
Jeff

Author:  meddlingfool [ Tue Jan 18, 2011 7:46 pm ]
Post subject:  Re: dreadnought plan

Nah, I don't think it's a dumb question, but Todd pretty much got it in one...If you seek further info, I would search the archives, there's probably a lot of info on that topic.
Cheers

Author:  Tom West [ Tue Jan 18, 2011 8:17 pm ]
Post subject:  Re: dreadnought plan

Jeff : You should be OK with 1/4" by 5/8" as a starting point for X bracing on a dread. That is what I use. The rest of the formula depends on the top,thickness,stiffness and how you apply and work the bracing.Have seen the Stew Mac dread plan but don't recall 3/4" tall braces. Braces that high can be used but the guitar will suffer in my opinion.Good luck and take care.
Tom

Author:  J Hewitt [ Tue Jan 18, 2011 9:32 pm ]
Post subject:  Re: dreadnought plan

westca wrote:
Jeff : You should be OK with 1/4" by 5/8" as a starting point for X bracing on a dread. That is what I use. The rest of the formula depends on the top,thickness,stiffness and how you apply and work the bracing.Have seen the Stew Mac dread plan but don't recall 3/4" tall braces. Braces that high can be used but the guitar will suffer in my opinion.Good luck and take care.
Tom

Dude,
All I was doing by my original post was trying to get some input and answers! Just didn't happen though!...Lesson learned here on this one!

I haven't built a Dread before. You here folks say that "this plan" and "that plan" are overbraced! All I was doing was trying to get some opinions from those that build that kind of guitar!

Guess I should not ask question here...just read all the post!...lol

Author:  bluescreek [ Wed Jan 19, 2011 6:45 am ]
Post subject:  Re: dreadnought plan

Todd bailed me out . When it comes to bracing , there are so many configurations out there it can just add to the confusion . The MacRostie plan is as good as I have seen out there . As Todd pointed out the braces used on the D 35 My reference was that there are 1/4 inch. The height of the brace is as Todd noted .
My best advice is to start somewhere . Build it close to print and keep a log on what you build so you can gain the knowledge and cause effect relationship of the braces and woods . Even with that it can still be a hit and miss. There is a mystery to instruments. Always that one hidden feature we may miss .
Also I cannot stress this enough , Joint Integrity . Clean and precise joints will help make the best guitars regardless of glue used . There are many opinions but the variables on glue and glue joints will often confuse beginners . Todd uses fish glue and I never have . Maybe Todd may have some scientific study of the stuff.
I use Penn State University study on wood glues and also information from the US society of engineers . In most studies HHG rates about 3 or 4th depending on the study , however this is in shear . HHG glues do dry harder and are more resistant to creep . I have heard beautiful instruments made with all the glues so use what you think will best fit your needs and ability .
Of all the instruments I have seen that had a creep issue ( and it was very few in 11 years ) all were related to having left a guitar in a hot car . Making good matching joints is the most important part of guitar construction . Lastly When you compare plans to production guitars I have not seen a produced plan that was 100% accurate to a martin as Martin guitars changed a bit through the years.
I use patterns from the pre war era ( 1937 ) and the bracing is a little different from modern martins . The bridge plate is smaller and is tucked into the braces The neck block is heavier missing popsickle brace to name a few differences .
So have fun start simple , and watch the techniques . We are all here to help .

Author:  bluescreek [ Wed Jan 19, 2011 7:13 am ]
Post subject:  Re: dreadnought plan

I agree that the joint itself is more important that the glue . I didn't use the fish glue but my adhesive arsenal is HHG tite bond elmers white CA thin and Med . I stopped using epoxy and Gorilla glue should be used for gorillas not guitars . I also use Duco cement for the wood to plastic .

Author:  Tom West [ Wed Jan 19, 2011 7:22 am ]
Post subject:  Re: dreadnought plan

Jeff: I don't know what I said to make you so upset. I apoligize for trying to answer. Take care.
Dude

Author:  klooker [ Wed Jan 19, 2011 9:03 am ]
Post subject:  Re: dreadnought plan

While we're on the topic of the Stewmac plan, it has the tone bars & finger braces tucked under the X-braces.

It's more work so is there any benefit?

Kevin Looker

Author:  CharlieT [ Wed Jan 19, 2011 10:10 am ]
Post subject:  Re: dreadnought plan

westca wrote:
Jeff: I don't know what I said to make you so upset. I apoligize for trying to answer. Take care.
Dude


Tom - I read through this thread several times last night trying to figure that out too. idunno

Author:  Tom West [ Fri Jan 21, 2011 9:28 pm ]
Post subject:  Re: dreadnought plan

Charlie: Everything is cool. Jeff and I are OK.
Tom

Author:  CharlieT [ Fri Jan 21, 2011 9:34 pm ]
Post subject:  Re: dreadnought plan

westca wrote:
Charlie: Everything is cool. Jeff and I are OK.
Tom


Glad to hear it Tom. 8-)

Author:  J Hewitt [ Fri Jan 21, 2011 10:14 pm ]
Post subject:  Re: dreadnought plan

Hi folks,
Tom and I worked it out....I PM'ed him and told him the whole situation! Thanks again Tom!
And thank to all the others that posted a comment!

Jeff

Author:  bluescreek [ Sat Jan 22, 2011 7:08 am ]
Post subject:  Re: dreadnought plan

I am with Todd on the Tucked braces but for 1 point . On the true 1937 bracing the bridge plate is much smaller than that pictured on the plan. The tuck isn't that deep about a 1/16" or so. I agree they are a pain to remove but the new tools out there are designed to repair a plate better than the dust and glue .

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