Glow engine

I'm starting the glow engine
I have a question, With a beginner: Should do engine with contra piston or with Glow plug hot ??
Thanks !

 

Glow plug engines are a lot easier to operate. Their fuel is also easier to get and/or mix. I would start with a proven, simple design.

Lohring Miller

 

For a beginner, you have a much better chance of success with a glow-plug. Diesels require a very good piston to cylinder fit that can only be achieved by lapping. The process is exacting and time consuming, requiring tools that most beginners don't have in their shops. See this page to get an idea of what's required: http://adriansmodelaeroengines.com/catalog/main.php?cat_id=178

WOB

 

Thanks Lohring Miller , WOB !
And WOB , thank you for sharing, i learned something in this link.

 

Do you have a design in mind? Two strokes can be very simple and still perform well.

Lohring Miller

 

Thanks for your question.
Yes , i have a design in mind .
I will do the plan in this thread
https://www.homemodelenginemachinist.com/threads/mp-3-2cc-glow-engine.26858/#post-294448
But I will change some details to fit the way I do it.

 

That's an excellent beginners design that should have reasonable power. The iron piston in a steel sleeve works very well when built as described. If you want to run it in a radio controlled vehicle, there are standard carburetors that can be substituted for the intake with minor modifications. By the way, glow plugs use a 1/4-32 tap. That should be easy to get on line. If not, I have extras

Lohring Miller

 

Lohring Miller !
"" there are standard carburetors that can be substituted for the intake with minor modifications."" : I'm learning about how it works.
"" If not, I have extras "" If you talk about those plans of engine, that's great !!

 

A carburetor like this from ASP should work well. Do you need a 1/4-32 tap?

Lohring Miller

 

Hi I am considering building this engine, is it possible to move the hole for the Venturi towards the front about 4 mm to make room for a throttle carburettor? I am asking because I was thinking it might weaken the crankshaft so the transfer hole would be that much longer. Many thanks for the design,I will post here when finished but that might be a few months

 

I would angle the carb forward and try to keep the crankcase hole in the same position.

Lohring Miller

 

Don't go to small on your first one. A slightly larger engine is a bit more tolerant on tolerances. You might take a look at the .60 size 2 stroke that I loaded to the download section a few years back.

Okay, now that I look around, where did the downloads go??? Or is it me???

If you would like a copy I can email you one. DWG or PDF?

 

Hi lohring !
I have answered you, but it goes away - maybe I forgot to send! I'm sorry
With 1 / 4-32 tap: I bought it
With link for carburetor: I will buy it when the engine runs

Hi kf2qd ! All information is good for me. If you can, send me the link or copy DWG and PDF , or one file PDF .
Thanks

 

If you could send p d f on the 10cc engine would be great. k.j.whiddett@gmail.com

 

If you could send p d f on 10cc engine would be great to k.j.whiddett@gmail.com. Many thanks

 

.. nothing ...
I decided with the plan : https://www.homemodelenginemachinist.com/threads/mp-3-2cc-glow-engine.26858/#post-294448
With some modify

 

Keith you might like this one: http://modelenginenews.altervista.org/mecd/3584.img.html#521
Castings are available at http://www.hemingwaykits.com/acatalog/Jones_605___Colin_Jones.html

I built it a few years ago, and it is a screamer. Powerful and loud.

WOB

 

Have made a start, bucket full of swarf later!!!

 

Hi thanks for the info, perhaps my next engine