Engine basics > Engine set up tips
More Engine setup tips or 9 steps...
Allan Perret:
Good Stuff. Thanks Randy and others.
Already printed out and going on my flying clipboard.
proparc:
9. And don't set the valves too tight on the Saito. :)
RandySmith:
--- Quote from: Motorman on December 24, 2012, 03:25:47 PM ---If I were to make a set of venturis for a Brodak 40 how close in size should they be and how many would be useful?
Same with head shims, should I just use factory gaskets or thin shims for finer adjustment.
Thanks,
MM
--- End quote ---
10 thou for restrictor types and 3 thou for true venturies
Andrew Tinsley:
Hello Randy,
I note that your sage advice is for a 4-2-4 break, bearing in mind that a lot of people use say a 2-2-2 set up, is there anything different that you need to consider?
Regards,
Andrew.
RandySmith:
--- Quote from: Andrew Tinsley on March 29, 2014, 01:51:32 PM ---Hello Randy,
I note that your sage advice is for a 4-2-4 break, bearing in mind that a lot of people use say a 2-2-2 set up, is there anything different that you need to consider?
Regards,
Andrew.
--- End quote ---
"These are just ***** basic ******suggestion to help you tune your engine, and by no means covers it all. There are literally thousands of engine setups that would take volumes to cover, But I hope you can use this as a basic guide to helping get a better engine run."
Maybe you should read the whole article. Even a 2-2 is a cycling run, so I made no blunders here
Some people run a 2-2-2 and to do that, normally you just set the engine in a rich 2 cycle, then it will cycle back n forth between a rich and leaner 2 cycle run, this is much simpler, and is the reason most do it that way, some do this to get enough power to fly the airplane well.... Other I have seen run a 2-2-2 in and over lean setup where it sags lean and slow at the top of things... some even feel that is a great run.. I would recommend staying away from the later.
Regards
Randy
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