| Smith Horn Group Build - Please Complete Survey [message #31966] |
Fri, 15 September 2006 10:06  |
GarMan
Messages: 960
Registered: May 2009
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Illuminati (2nd Degree) |
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There seems to be some good interest in a Smith Horn group build project. If you are interested, please complete the survey below to determine the level and type of "prep work" we're looking for. Throat Size:
- 1"
- 1.5"
- 2" Pre-fab Components:
- Vanes
- Throat Plate
- Body Vane Pre-fab:
(What type of joinery are you looking for? A mortise joint will require an increase in the vane to account for the tenons. Dowel joints can use the same vanes as butt-joints)
- Flat butt joint
- Mortise joint Throat Adaptor:
- Straight bore
- Circular to rectangular transition Pre-fab Material:
- MDF
- hardwood
Please add any other questions you think I may have missed.
gar.
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| My survey [message #31968 is a reply to message #31966] |
Fri, 15 September 2006 10:49  |
SteveBrown
Messages: 330
Registered: May 2009
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Grand Master |
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Throat Size:
- 1"Pre-fab Components:
- Vanes
- Throat Plate
Vane Pre-fab:
- Flat butt joint
Throat Adaptor:
- Straight bore
Pre-fab Material: either
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| Re: Smith Horn Group Build - Please Complete Survey [message #31970 is a reply to message #31966] |
Fri, 15 September 2006 12:33 |
Manualblock
Messages: 4973
Registered: May 2009
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Illuminati (13th Degree) |
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Here's mine: 1" Vane
Throat Plate
Body Mortise/ either one is fine but I like the joint integrity of the mortise and I don't see why it would be a lot more money so why not? I would like to use one of my Altec drivers so I would assume that means rectangle to circle? If not then eithor one will do. Hardwood; I guess plywood is out of the question then? Baltic Birch? Looks good so far.
Thanks for doing this survey Garman.
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| Re: Smith Horn Group Build - Please Complete Survey [message #31971 is a reply to message #31966] |
Fri, 15 September 2006 14:33 |
PakProtector
Messages: 935
Registered: May 2009
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Illuminati (2nd Degree) |
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Hey-Hey!!!,
I am not sure what you mean by 'vanes'.anyway... 1.375 throat.
Conical section, 19" axial length
8 petals to approximate the cone, 13 mm, 11-ply birch?
35-degree included angle/flare, maybe 40 Mating to two-bolt old RCA compression driver. Throat terminated in the mounting plate, perhaps 1/4" copper? no special throat section.
cheers,
Douglas
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| Re: Smith Horn Group Build - Please Complete Survey [message #31973 is a reply to message #31972] |
Fri, 15 September 2006 16:06 |
PakProtector
Messages: 935
Registered: May 2009
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Illuminati (2nd Degree) |
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Oh, got you...:) Yes, 8 vanes. Probably 40-degrees included, or at least that is what my notes say. Now to get the good plywood. The issue I have is that it requires a 22.5 degree miter. With a serious tool shortage, this isn't easy to step around. The back plate/mount is quite easy by comparison...:)
cheers,
Douglas
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