It does seem very quiet mate!!
I looked in at lunchtime and it seemed to be bowling along well! I'm just having a coffee break then it's back to the grind. Hopefully the others will be back soon.
Your challenge appears to be tailless (horizontally)
YES
, is that an exhaust in the fuselage side over the wing
YES, if so a turboprop??
NO - a SABRE? Very large chord elevons!
YES and wassat funny little shape at the wing T/E, was wondering if it might be to pull out a weapon if a dive-bomber?
IT WAS TO BE A TAIL-LESS MACHINE
Back to work now but your answers might stimulate some interest