PeterRoss
Warranty man
The more I look at it, the more it seems like this is a gap in the XR series (despite the reasoning I posted above.) If I do a redesign of this, I'm going to see what I can do to get a 4.6m (as per jedida's post) height cargo bay in the thing. It won't be a perfect fit, but I'll try to make it usable as an STS replacement.
I checked the SBB4 modules size, it's ~4.5 m in diameter, so it would fit anywhere STS payload fits. I think many people will be grateful if you make it possible. I will :tiphat: