Rock The Bike:
Adam from Clean Water Watch on the mic. Russian Dolls sound system in effect.
Rock The Bike:
Used clay to keep molding polyurethane from seeping the wrong ways.
Rock The Bike:
Built a plastic cage around the wave guide I intended to copy.
Rock The Bike:
Molding PolyUrethane poured and curing. What looks like a tributary or capillaries is actually half a wave guide from a JBL VRX loudspeaker.
Rock The Bike:
Demolded! Work begins.
Rock The Bike:
Most of the subwoofer is air. The cone goes about 1/3 back and takes up about 1/6 of the volume, max.
Rock The Bike:
Nesting boxes concept.
Rock The Bike:
Nesting mockup
Rock The Bike:
Preferred material for new PA: G10/Al sandwich
Rock The Bike:
Mostly air
Rock The Bike:
Still a few parts to fill in
Rock The Bike:
Demolding
Rock The Bike:
A sheet can only bend one way. As long as you force it to stay bent on the long axis, you can walk with the sheet, without it buckling.
Rock The Bike:
Ariel and I doing 'the flip', the most critical step in fabbing honeycomb panels. Glue has to be applied on the UP side of the top sheet, but then it must face down to make the completed honeycomb panel. Hence 'the flip'.
Rock The Bike:
Carefully placing honeycomb.
Rock The Bike:
Laying down aluminum honeycomb on wet laminate.
Rock The Bike:
The shell on the right is slightly larger than the shell on the left.
Rock The Bike:
The speaker shells stack, saving 60% of volume during shipping.
Rock The Bike:
Tweeter wave guide seals the speaker on one side.
Rock The Bike:
Tweeter wave guide IS the side wall of the speaker.
Rock The Bike:
The black dots on the right are the tweeters.
Rock The Bike:
So many beautiful color fade possibilities.
Rock The Bike:
Highly unusual to have exposed audio elements. I love the look of it but obviously we'll have to keep steel objects away from it..
Rock The Bike:
Obviously the pink foam and cam straps won't be part of the finished speaker.
Rock The Bike:
BRX / Russian Dolls main speaker.
Rock The Bike:
BRX sound system (light green speaker hanging from Tripod) in action for 3rd event in last month.
Rock The Bike:
Boots Riley's spoken word stunned the crowd.
Rock The Bike:
JBL PRX sub and Rock The Bike BRX sub.