Looking at roddies home-built custom muffler

roddie shared one with me awhile ago to check out.

Neat as with all of roddies creations.

 Flexible tight fitting material provides a perfect seal over the exhaust ports.  Optional tubing helps keep the hot castor off the model.   I just pinned it to the fuselage right through the devils face.    I like it, it's found a home on this model however when it comes around to testing I will remove the tube and  test it on a stand.  Wish I had a DB meter.  Maybe my son has one.  

As I said it's a perfect fit.  Tight it will never fly off.  Flexible enough to fold back and fuel or refuel the tank but best to fuel before running.  With the tube on priming might be a problem.  

I mentioned to roddie that sewing the two halfs together might provide a better seal, but a lot more trouble to do.  The staples work, but with the exhaust coming off the right side (conventional) the the bitter side of the staples show up, just me being picky.  I would staple it from the other side providing a neater presentation.  Easily done.  

I like it roddie and as I said, it's found a home on the "Red Devil".