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Search: Posts Made By: earlwb
Showing results 1 to 25 of 38
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Forum: Gas Engines
02-13-2015, 11:19 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

ALFIEV, yes that is a bummer for sure. I don't...

ALFIEV, yes that is a bummer for sure. I don't see any solution for it. But maybe there is another flying field somewhere that you can visit too. Unfortunately if someone with a Lipo pack in their...
Forum: Gas Engines
07-18-2014, 10:46 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

I see no reason to change anything in the...

I see no reason to change anything in the engines, unless you just really want to. I would not use ceramic bearings as they are way too fragile for a RC engine especially a four stroke engine. Leave...
Forum: Gas Engines
07-18-2014, 03:30 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

That is pretty neat that Pardal machined a new...

That is pretty neat that Pardal machined a new connecting rod for the engine. Nice job then. it does look pretty good too. I can see that as being a good solution for a undersized crankpin and wrist...
Forum: Gas Engines
07-13-2014, 04:39 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

I am surprised they didn't have needle bearings...

I am surprised they didn't have needle bearings on the connecting rod. Although a bushed rod is fine, it is just that I thought it had needle bearings on the rod.
Forum: Gas Engines
07-11-2014, 03:22 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

Yeah I remember quite a few people with Ford...

Yeah I remember quite a few people with Ford Escorts having the cam drive belt fail at highway speeds with the obvious consequences of the pistons and valves making contact. For whatever reasons the...
Forum: Gas Engines
07-10-2014, 06:14 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

Well it is likely a toothed belt, so its highest...

Well it is likely a toothed belt, so its highest stress would be at idle. So the teeth on the belt would strip off at idle. I used to have a Chevy Chevette that like clockwork every 12,000 miles it...
Forum: Gas Engines
05-23-2014, 06:07 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

Well that is a bummer. Better to order more...

Well that is a bummer. Better to order more locally than overseas as I think the shipping may be less.

One could likely get a welder to weld the intake manifold back up. Then machine the flats for...
Forum: Gas Engines
05-23-2014, 08:12 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

HiModel was really good at getting NGH engine...

HiModel was really good at getting NGH engine parts for me. Contact them. They may not show the parts in stock, but they are right down the street from the NGH engines facility. So they have a great...
Forum: Gas Engines
05-19-2014, 01:37 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

I was thinking that the engine wasn't lubricated...

I was thinking that the engine wasn't lubricated well before it was test run. Thus the damage may have occurred mostly in the first engine run if the cam and lifters weren't oiled to start with. Hard...
Forum: Gas Engines
05-17-2014, 05:13 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

I think I would try to store the engine upright...

I think I would try to store the engine upright and nose down so that the oil would tend to migrate to the bottom end and crankshaft. But yes you are correct in that the oil would migrate to the...
Forum: Gas Engines
05-09-2014, 10:59 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

That is a really nice seaplane. Do let us know...

That is a really nice seaplane. Do let us know how it flies. post a video or two too.
You did a nice job, it turned out really good.
Forum: Gas Engines
05-07-2014, 07:49 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

One other thought is that if the engine is...

One other thought is that if the engine is suddenly acting up, you ought to check the valve gaps on the engine just to ensure they haven't changed too much. The valve gaps can quite easily change...
Forum: Gas Engines
03-01-2014, 07:48 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

That fuel spitting is normal. Pretty much all...

That fuel spitting is normal. Pretty much all engines will do it. They call it reversion. It is the cam shaft design, mainly the duration of how long the valves stay open causes it. The more...
Forum: Gas Engines
01-12-2014, 08:03 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

I usually use a 2100 mah LiFe battery pack for...

I usually use a 2100 mah LiFe battery pack for ignition purposes. With my engines and their CDI modules that works out to around three hours of flying time before I need to recharge it. In my...
Forum: Gas Engines
01-07-2014, 12:18 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

Usually with Himodel, if you place a order for...

Usually with Himodel, if you place a order for spares and they are on backorder, they can fill the order in a couple of days. HiModel, I think, it like just down the street a short distance from the...
Forum: Gas Engines
11-08-2013, 07:18 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

Hobby King has started selling the NGH 38cc four...

Hobby King has started selling the NGH 38cc four stroke engine now. So it will undercut the dealers more now too, as they are selling at a lower price than the dealers can.
HK is selling the 35cc...
Forum: Gas Engines
09-08-2013, 07:02 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

oops sorry wrong thread

oops sorry wrong thread
Forum: Gas Engines
09-07-2013, 04:23 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

With all inverted engines, if the engine stays...

With all inverted engines, if the engine stays inverted when not running for a while, the oil inside the crankcase will slowly migrate to the lowest point inside the engine. So you need to store your...
Forum: Gas Engines
04-13-2013, 03:46 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

RE: NGH 38CC 4 stroke

malcomholt, 
     you will need to get the pump in the carb primed before it'll start pumping and drawing fuel. I have simply squirted some fuel into the fuelinlet on the carb. Other times I have...
Forum: Gas Engines
04-01-2013, 06:28 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

RE: NGH 38CC 4 stroke

The newer carbs should be using better materials to make the diaphragms from. But there could be cost cutting with the low cost engines though. Fortunately they are using carbs that are compatible...
Forum: Gas Engines
03-21-2013, 04:07 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

RE: NGH 38CC 4 stroke

I don't think it really matters on whether the gasoline fuel has ethanol in it or not. But they do sell the ready mix gasoline at many stores, such as Home Depot or Lowe's, that doesn't have ethanol...
Forum: Gas Engines
03-19-2013, 07:00 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

RE: NGH 38CC 4 stroke

Ref http://www.southernskies.net/page_info/gas_mix.html

A 25:1 ratio would beusing 5.12 ounces of oil to a gallon of gasline.

What I do is I had a couple of 2.5 ounce oil containers that I got...
Forum: Gas Engines
02-17-2013, 09:07 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

RE: NGH 38CC 4 stroke

It makes me think that all one has to do is install two Frank Bowman rings on the regular version and it will very likely outperform the three ring "Pro" version then.  The only benefit I see to the...
Forum: Gas Engines
02-17-2013, 06:03 AM
Replies: 1,678
Views: 461,639
Posted By earlwb

RE: NGH 38CC 4 stroke

I saw that NGH now has two different 38cc four cycle engines for sale. The regular one being discussed in this thread and what they call a "Pro" version as well.  ref...
Forum: Gas Engines
02-15-2013, 06:43 PM
Replies: 1,678
Views: 461,639
Posted By earlwb

RE: NGH 38CC 4 stroke

Well I am pretty impressed with the fact that someone ran a NGH 38cc four stroke gasser engine on a 50cc P-51 Mustang plane and it worked out OK too. Maybe it is a little underpowered, but it really...
Showing results 1 to 25 of 38
 
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