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Help Support Home Model Engine Machinist Forum:
Ken I
Project of the Month Winner
Project of the Month Winner!!!
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71
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From
Cape Town, South Africa
Joined
Oct 31, 2010
Last seen
Mar 11, 2023
Messages
1,791
Reaction score
630
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Ken I
reacted to
Nerd1000's post
in the thread
Needle bearings in a model diesel ?
with
Like
.
For knocking to happen the fuel and air must be premixed. Diesels in theory don't do this, the fuel and air mix only as combustion...
Mar 2, 2023
Ken I
replied to the thread
Needle bearings in a model diesel ?
.
Green Twin - That "Dreaded Knock" is the IC engine going from ignition to detonation (from burn to explosion) - it wrecks petrol engines...
Mar 2, 2023
Ken I
reacted to
TonyM's post
in the thread
Needle bearings in a model diesel ?
with
Like
.
Just my two pennoth for what it's worth. I have seen needles used on a big end and have nothing to add in that regard. My thoughts are...
Mar 2, 2023
Ken I
replied to the thread
Needle bearings in a model diesel ?
.
Diesel fuel in the engine explodes - it detonates as opposed to simply deflagration burning - this imposes enormous shock loads. Shock...
Mar 2, 2023
Ken I
reacted to
Peter Twissell's post
in the thread
Making a distributor cap
with
Wow
.
Gordon, I have no doubt a model engine will work fine with a 3d printed cap in almost any plastic. However, my 2.3 litre radial is...
Feb 18, 2023
Ken I
replied to the thread
Making a distributor cap
.
Oooohhhhhh - pictures please - now you've got my interest piqued. Mentally I'm picturing something like a Morgan V-Twin but noisier and...
Feb 18, 2023
Ken I
posted the thread
Milling Hexagons
in
Tools
.
This is a hexagonal mount ER32 collet chuck I use for milling hexagons :- I just open the vice rotate the hex shank and continue -...
Feb 5, 2023
Ken I
reacted to
Steamchick's post
in the thread
Drilling Very Small Holes
with
Like
.
Good stuff Ken. I finally developed a process for setting the tailstock chuck accurately so very gently feeding with that works well...
Jan 28, 2023
Ken I
replied to the thread
Drilling Very Small Holes
.
I've posted this before... High speed drilling, sensitive drills? These are what I use for very small holes :- The upper one uses a...
Jan 28, 2023
Ken I
reacted to
a41capt's post
in the thread
3d Printed Double Acting Engine
with
Like
.
Thanks! It runs great too, but I haven’t plumbed it so I can get a video. Currently it takes two hands to get air to it and hold it...
Jan 26, 2023
Ken I
reacted to
awake's post
in the thread
Set Screw Advice
with
Sad
.
Of course, one does need to be sure it is not an acid-flux core type of solder!
Jan 20, 2023
Ken I
reacted to
Steamchick's post
in the thread
Set Screw Advice
with
Haha
.
I too have used a tiny brass plug, a blob of rubber, or cork, similarly to the aluminum, solder, etc above. Usually the more carefully I...
Jan 20, 2023
Ken I
replied to the thread
Set Screw Advice
.
I normally drop a piece of solder (just cut with side cutters) into the hole - the grub screw compresses it like a liquid and it holds...
Jan 20, 2023
Ken I
reacted to
Steamchick's post
in the thread
Reduce engine size.
with
Like
.
Thanks Ken 1. A salutary lesson, and that is what makes "experience". Been there, done it, forgotten the lesson... K2
Jan 18, 2023
Ken I
replied to the thread
Reduce engine size.
.
Steamchick - "feeling of confidence that my thumb was right" even that can set you up for a hard landing - I couple of years back I...
Jan 18, 2023
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