Wayne Delisle wrote:

> Have you looked at Mark L.'s spinner page?

That spinner page is at http://www.n56ml.com/spinner/.  It happens that 
I made a spinner last weekend, and another one yesterday.  I had to make 
the second one because the first one was floppy (2 layers of 5.85 oz "KR 
cloth"), and I neglected to put deck cloth on the outside.  Both took 
about 2.5 hours to make, although they are only fiberglass and not 
nearly as gorgeous as Jeff's carbon fiber one.  I  thought about making 
them out of carbon fiber, but carbon fiber is more stubborn about 
following compound contours (like the nose) in a wet layup, and the CF 
would be more difficult to match drill to the existing backing plate's 
nut plates (can't see through it!).  And I was a bit more concerned 
about the tearout at the fasteners, as CF doesn't wear well when thin 
(although I'd have done like Jeff did...cover it with a fiberglass tape 
to help with that).

The one I made for N56ML lasted just fine the last thousand hours I flew 
N56ML, with no signs of wear.  It weighs just 235 grams, and is two 
layers of RA5277 9 ounce fiberglass with no other reinforcement.  The 
one I built yesterday is just like it, with a layer of deck cloth on the 
outside to smooth it all over and reduce the finish work on it.  It'll 
probably take me an hour to smooth it out with micro and sanding, and 
another hour to fit the blade cutouts (I have a head start with the old 
spinner) and another hour to match drill the backing plate.  As it turns 
out, Steve Glover sent me a fiberglass fiberglass backing plate that 
fits the contour of this new spinner, so I'll be using that and saving 
more weight. See the enclosed photo for the weights and the spinner 
examples (mine are in the foreground, and the "molds" are in the back). 
  And again, the rest of the story is at http://www.n56ml.com/spinner/. 
  I did get a little more professional about it this time and waxed and 
PVA'd the spinner rather than duct tape.  Note from the enclosed photo 
that my new spinner (far right) is a less than a third of the weight of 
the white mold that it was made from.

Mark Langford
ML at N56ML.com
http://www.n56ml.com

-------------- next part --------------
A non-text attachment was scrubbed...
Name: spinners.jpg
Type: image/jpeg
Size: 141641 bytes
Desc: not available
URL: 
<http://list.krnet.org/mailman/private/krnet_list.krnet.org/attachments/20150413/fb30ebe5/attachment.jpg>

Reply via email to