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Help Support Home Model Engine Machinist Forum:
L
LorenOtto
HMEM Supporting Member
Well-Known Member
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From
SW Oregon
Joined
Feb 18, 2012
Last seen
Saturday at 9:37 AM
Messages
99
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L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
Today I machined the new cylinder head. There are so many set ups required to build this cylinder head that I had to make a list of...
Friday at 7:51 PM
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
Today I got some time to finish up the rocker arm support plate and drill and tap the cylinder to attach it. Also finished and bolted...
Thursday at 9:03 PM
L
LorenOtto
reacted to
gbritnell's post
in the thread
Tiny V-block fixture for making fittings
with
Like
.
The rods used to fixture the fitting were then used to keep the wall from compressing when it was put in the vise to profile the flange...
Sep 27, 2023
L
LorenOtto
reacted to
gbritnell's post
in the thread
Tiny V-block fixture for making fittings
with
Like
.
Gentlemen, I made this fixture years ago and have had to use it to make an elbow fitting for the radial engine I'm building. I thought...
Sep 27, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
I've been working away in the background. My internet has been out for 30 hours and just came back on. Somebody dug up one of the main...
Sep 27, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
Today was spent finishing a bunch of plate work and bolting everything together for a "trial assembly". Everything fits, and I'm quite...
Sep 26, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
I always feel so good when my gears are cut, and they actually mesh when installed on the correct centers. I don't make that many gear...
Sep 20, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
For anybody who may wonder about cutting two gears with one set-up, this is a picture of me cutting two 30 tooth gears at one time. It's...
Sep 19, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
Werowance---Nothing so sophisticated. The gear blank is a flat plate bolted to the extended cam part. You are looking at the ends of the...
Sep 19, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
About 15 years ago I built the original "Rupnow Engine" and I used a complete CDI system from S & S Engineering for my ignition. The...
Sep 19, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
I spent yesterday and today making up gear blanks for the large timing gears, the stub-shafts which bolt to the large gears, and the two...
Sep 19, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
There is a little trick in making multiple gears. If you prepare the gear blank properly, you can cut two identical gears at a time. All...
Sep 19, 2023
L
LorenOtto
reacted to
Brian Rupnow's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
This morning I finished up the design, and I like it. I particularly like the new cylinder head. It is almost impossible to get a 10mm...
Sep 19, 2023
L
LorenOtto
reacted to
Jasonb's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
Posting that made me remember this video, with the flame lickers and sterling engines you need minimal friction, this is how long the...
Sep 19, 2023
L
LorenOtto
reacted to
Jasonb's post
in the thread
Vertical 4 cycle engine from recycled parts
with
Like
.
You could save a lot of work if youi had an atmospheric inlet, only one set of gears needed and you would have room to put a rocker post...
Sep 19, 2023
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