Tuesday, October 20, 2015

New Folded Bass Horn - More Progress On Second Horn 2

The next step is to cut four more panels that will enclose the dustpan assembly and cover the first channel of the bass horn and will become the bottom panels of the second channel.  Here is the assembly with one cover (one trapezoid and one rectangle) fastened on and glue drying:

First Channel - One Trapezoid And One Rectangle Attached
First Channel - One Trapezoid And One Rectangle Attached
 Here is the trapezoid fastened to the opposite matching first channel:


First Channel - Second Trapezoid Attached
First Channel - Second Trapezoid Attached
 Here is the assembly with both halves of the first channel covered and glue drying:

First Channel - Both Sides Covered
First Channel - Both Sides Covered
Next, four more trapezoids are cut to form the sides of the second channels.  The smaller of the trapezoids is "keyed" to fit over the edge of the first channel side.  The small rectangular cutout "key" helps to maintain symmetry during assembly.

Second Channel - Two Panels Setup For Drilling For Fasteners
Second Channel - Two Panels Setup For Drilling For Fasteners
After marking and carefully drilling and countersinking for fasteners, the second channel sides are fastened on.


Second Channel Sides Aligned And Fastened
Second Channel Sides Aligned And Fastened
Here is another view with both second channel sides fastened and glue drying:

Second Channel Sides Glued And Fastened
Second Channel Sides Glued And Fastened
The next step will be to cover the matching pair of second channels.

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