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Hi deere guy I use a system similar to Marv,s but I try to always use a left hand spiral, right cut end mill. The left hand spiral causes a downward force on the part and wont pull it up off the pin, but you still need end stops to keep it from grabbing at the corners. Ivy McNeil

Heres photos of the boat, it will be twin engine powered. Ivy

Hi Guys zeusrekning I downloaded a program at www.mh-aerotools.de/airfoils/ a gentleman by the name of Martin Hepperle wrote the program and offers it free. Hi deere_guy I silver soldered it with high temp. silver solder. This is one of the things that is keeping me from the Edwards 5 Engine. Ivy

Hi Guys Here's some photos of 1 of 2 .21cc engines I am building for a outrigger boat. Also a slideshow of a tuned exhaust pipe for the same engines. Ivy McNeil

I am waiting for needle bearings for the other strut. The props work independent of each other each has its own eng. Ivy

I will be using Octura Flex cables. Ivy

Hi Guys I thought I would share some photos of my boat rebuild and the nitro engines I am building for it. I am putting 2 .21 c.i. engines in it, I have 1 finished and working on #2. I am also making new running hardware for the boat, rudder and propeller struts. Here's what I have so far. Ivy...

This is a photo test IvyMcNeil

Hi Mel I am a ret. Machinist/Toolmaker/Moldmaker/Tool and cutter grinder and floor sweeper. I started in the shops in 1959 and retired in 2002, I thought it would never end "LOL". 23 years were spent in the Aerospace Indus. I started building I.C. engines in 1975 and built several...