RE: hobby city Turnigy HP 50 engine-any good?
I got mine a couple of days ago - the Turnigy HP50 (or TR-50HP) is a rotary valve engine as mentioned above (DA and DL are reed valve engines) and the measured weight is:
engine with no aux: 1370 g
muffler: 102 g
ign system: 96 g
stand-offs (4 pcs): 77 g
plug: 14 g
misc (bolts): 50 g
TOTAL: 1709 g (1 kg 709 g).
BR Jussi