Originally Posted by Doug Sams

Dave,

I'd be afraid of losing it with that motor. Looking at the rocket, I'm assuming it's BT-20 based, and if so, it'll be out of sight with pretty much any booster staging to that sustainer. In fact, I lost my single stage BT-20 Yankee on a B4-4.

On the subject of the B4-6, while I like the idea of the larger nozzle being more reliable for staging and the thrust profile being less aggressive, I've had marvelous results staging to the B6-6.

It'd be nice to see the B4-6 brought back, but there are others ahead of it on my priority list.

Doug

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