3d printed 5 cylinder radial engine

3 weeks Mon-Fri 9-5, almost non stop printing. By far the biggest and most complex thing i'v printed. I highly recommend this print. I've learned so much and am WAY more confident in my printer now. Its awesome. =D Heres the model- http://www.thingiverse.com/thing:52769

First print, 6 hours

all the white pieces done! Onto the grey!

first batch of grey, starting to assemble

why part cooling is important, even with PLA

a piston... need 5 of these.

the cam housing almost done printing.

starting to look like an engine!

at this point i can spin the rod and watch it dance. Way cool.

the timing gear and cam fit perfect, smooth too. Really impressed.

this is why i avoid grouping stuff, 17 hour print failed. At least i still got the rocker arms out of this group.

these survived the 17 hour failed print... so i guess it wasn't a complete failure. The brim is way thin.

the brim is tissue paper thin... almost.

so, back to individual 5 hour prints. This is 5 seconds of real time printing. Was moving at 120mm/s plus i had the speeds turned up to 150% from the LCD

Its finished!

this has the rods on. The rods, however, they are a little too short and fall out when the engine spins. I'll fix em... eventually.

i like watching this piece dance as the engine is cranked.

Sitting on the bed of my RigidBot Big.

here is the engine being cranked. Once i fix those pesky rods, the valves will even move =D