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Forum: Gas Engines

09-08-2013, 12:44 AM

Replies: 1,678

NGH 38CC 4 stroke

Views: 461,533

Posted By malcolmholt

Starting is temperamental at the best of times so...

Starting is temperamental at the best of times so it is difficult to isolate one particular cause. I'll keep tinkering and, hopefully, get the engine to a point where I have confidence in it. From...

Forum: Gas Engines

09-07-2013, 08:57 AM

Replies: 1,678

NGH 38CC 4 stroke

Views: 461,533

Posted By malcolmholt

Thanks for both your prompt replies. I know...

Thanks for both your prompt replies.

I know about hydraulic lock from using glow engines. My concern is that this engine seems to accumulate more oil in the cylinder head than I am accustomed to...

Forum: Gas Engines

09-07-2013, 03:16 AM

Replies: 1,678

NGH 38CC 4 stroke

Views: 461,533

Posted By malcolmholt

Although I have used glow engines for many years...

Although I have used glow engines for many years I am new to petrol engines.

I have an NGH 38 installed inverted. A few hours after running the engine I find that the spark plug is completely...

Forum: Gas Engines

06-18-2013, 01:30 AM

Replies: 1,678

NGH 38CC 4 stroke

Views: 461,533

Posted By malcolmholt

RE: NGH 38CC 4 stroke

Thanks for the replies. I have now run the engine in the airframe (with wings attached). There is less vibration but still much more than I consider acceptable so I return to my original question....

Forum: Gas Engines

06-09-2013, 07:33 AM

Replies: 1,678

NGH 38CC 4 stroke

Views: 461,533

Posted By malcolmholt

RE: NGH 38CC 4 stroke

Thanks for the reply. That's a new one on me but I'll give it a go in the airframe to see what happens. However, as a beginner it seemed wise to follow the manufacturer's instructions which recommend...

Forum: Gas Engines

06-09-2013, 04:47 AM

Replies: 1,678

NGH 38CC 4 stroke

Views: 461,533

Posted By malcolmholt

RE: NGH 38CC 4 stroke

I have had mine for about ten weeks and have had a number of problems but, in fairness to the engine, I am prepared to reserve judgment until I finally get it in the air. It is also only fair to...

Forum: Gas Engines

04-13-2013, 04:58 AM

Replies: 1,678

NGH 38CC 4 stroke

Views: 461,533

Posted By malcolmholt

RE: NGH 38CC 4 stroke

3136 and EARLWBThank you both for your helpful replies. I really appreciate your advice.

Forum: Gas Engines

04-13-2013, 02:35 AM

Replies: 1,678

NGH 38CC 4 stroke

Views: 461,533

Posted By malcolmholt

RE: NGH 38CC 4 stroke

I have used model glow engines for over fifty years so have a pretty good understanding of things which can go wrong but the NGH GF38 is my first model petrol engine and I seem to have fallen at the...

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