Search found 36 matches

by IvyMcNeil
Sat Nov 24, 2007 11:00 am
Forum: Milling Machines
Topic: How To Bore Using a Mill by a Total Newb
Replies: 34
Views: 4550

seal killer My procedure is to adjust the set screws so there is some resistance to turn the dial. there is no need to lock the the head with the set screws. Just as you would not lock the cross slide on every cut on a lathe. As someone else said loosening and tightening the set screws there is a ch...
by IvyMcNeil
Tue Nov 06, 2007 9:03 pm
Forum: I.C. Engines
Topic: Started the Edwards Radial 5 (finally)
Replies: 2
Views: 3594

Hi deere_x475guy The cam is looking good, I have a suggestion about the bearings for the cam. The bearings B2 {.375 x .875 x .218} listed in the bill of materials from Boca bearings are 22.00 dollars each. I am going to use .281 wide bearing and c bore cam to same. this size bearing is about 1/3 the...
by IvyMcNeil
Wed Oct 24, 2007 4:00 pm
Forum: I.C. Engines
Topic: Edwards 5 Radial Engine
Replies: 64
Views: 49932

Hi Bob My Radial has been on hold for the last 3 Months, I have been tooling up and building 4 belt drive reduction units. I hope I can get back to it soon. I will start on the Cam or the rings next. Here's a photo of reduction units, they are for large scale R/C model aircraft. http://img.photobuck...
by IvyMcNeil
Wed Aug 29, 2007 4:50 pm
Forum: I.C. Engines
Topic: Belt Drive reduction unit
Replies: 10
Views: 6685

Here's some pics. The twin is a 40cc, it was the first engine I designed and built the other one is also 40cc . I had a fire several years ago from an unattened trash fire and burned down my storage barn and lost all os my engines, model boats,car,radio control. These engines were in the house and w...
by IvyMcNeil
Tue Aug 28, 2007 9:35 pm
Forum: I.C. Engines
Topic: Belt Drive reduction unit
Replies: 10
Views: 6685

Hi Harold 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 engines over th...
by IvyMcNeil
Mon Aug 27, 2007 5:05 pm
Forum: I.C. Engines
Topic: Belt Drive reduction unit
Replies: 10
Views: 6685

Hi Harold

The plane is still under construction, I will get a photo of the construction next time Im over there.

Here's some photos of my fixture and pulley.

Ivy
by IvyMcNeil
Sun Aug 26, 2007 7:16 am
Forum: I.C. Engines
Topic: Belt Drive reduction unit
Replies: 10
Views: 6685

Hi Harold It is going to power a WW1 Fokker tri wing, it has a wing span of 105". Yes I machined the pulleys, I ground a form tool on a hss lathe bit and mounted it in a fly cutter. I made an indexing fixture useing a shot pin for locating, and various other fixture's for the lathe so I cuuld make m...
by IvyMcNeil
Sat Aug 25, 2007 1:41 pm
Forum: I.C. Engines
Topic: Belt Drive reduction unit
Replies: 10
Views: 6685

Belt Drive reduction unit

Hi All

My latest project for friend, He flies 1/4 scale model aircraft and needed a reduction unit to drive a 30" prop., The engine is 62 cc .
Here's the results.

Ivy McNeil
by IvyMcNeil
Tue Jul 03, 2007 5:48 am
Forum: I.C. Engines
Topic: Edwards 5 Radial Engine
Replies: 64
Views: 49932

Hi Harold
The tubing is 9/32 O.D. I still have a small wrinkle in one area, If I cant get it out it wont be a big deal.

Ivy
by IvyMcNeil
Mon Jul 02, 2007 6:49 pm
Forum: I.C. Engines
Topic: Edwards 5 Radial Engine
Replies: 64
Views: 49932

Hi all

I got my tube bending figured out, I heated tube red hot then quench in water, filled with lead, then oiled tube before bending in tube bender.
Here's photo of part.

Ivy
by IvyMcNeil
Thu Jun 28, 2007 7:04 am
Forum: I.C. Engines
Topic: Edwards 5 Radial Engine
Replies: 64
Views: 49932

Hi Paddy Thats a nice looking shop you have. No I did not case harden the crank, I hope I dont regret it later. Your's is looking good also, dont feel bad about scrapping parts, I scraped a set of cylinders because I used some mystery alum. it was gumy and could not cut fins building up on tool and ...
by IvyMcNeil
Wed Jun 27, 2007 8:29 pm
Forum: I.C. Engines
Topic: Edwards 5 Radial Engine
Replies: 64
Views: 49932

Hi Bob

I dont have photos of setups,but if I get a chance I will try and recreate the setups and take photos for you.

Ivy