Hey Hooty;
Have you tried to get a hold of Linberg?, I know that Revell/Monogram, MRC & Marco Polo will send the missing parts to you for free if you contact them, you may want to try this route first, and if no luck then you could try to buy one of the after market props at a local hobby shop,
Ugly Butt Deadly Effective Hawgs
cuda
84 of 795 1/72 Aircraft Competed for Lackland's Airman Heritage Museum
Was a Hawg Jet Fixer, now I'm a FRED Fixer
'Cuda