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Search: Posts Made By: makoman1860
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Forum: Glow Engines
12-21-2010, 07:57 AM
Replies: 16
Views: 1,808
Posted By makoman1860

RE: OS FS 91 surpass breackdown

Honestly gaskets only, and even then only if damaged. As long as everything is in good and serviceable condition their is no improvement to be had by replacement. Only in conditions where a part has...
Forum: Glow Engines
12-21-2010, 06:05 AM
Replies: 151
Views: 16,842
Posted By makoman1860

RE: Bad news from Webra

Well this is what happens when a society changes from one where people look to educate themselves, and invest themselves in an intrest, to one where people are looking for entertainment with minimal...
Forum: Glow Engines
12-20-2010, 08:45 AM
Replies: 3
Views: 2,406
Posted By makoman1860

Forum: Glow Engines
12-18-2010, 10:01 PM
Replies: 28
Views: 2,115
Posted By makoman1860

RE: What alloy for unbushed rod?

If one takes into account all the material properties with reguards to the specific application, believe it or not 2024 T3 turns out to be a pretty good compromise. The 7xxx series are great for...
Forum: RC Fuels
12-16-2010, 04:47 PM
Replies: 11
Views: 1,988
Posted By makoman1860

RE: Poll-What are you paying for Methanol, Nitro and Castor?

Around here Methanol is between 3 and 5 bucks a gallon. Nitromethane is about 35 a gallon, and oil varies on type. Castor is about 20 a gallon, and the better synthetics are around 30. So good ol FAI...
Forum: Glow Engines
12-06-2010, 09:12 PM
Replies: 11
Views: 1,416
Posted By makoman1860

RE: super tiger Broken crankshaft

I dont think oil or break-in has anything to do with it. From the fuzzy picture it looks like a classic torsional fatigue failure. Either a resonance condition exists because of your propeller...
11-17-2010, 10:46 PM
Replies: 24
Views: 3,495
Posted By makoman1860

RE: Diesel tuned pipe ?

I think many of us that have designed and built diesels would be more than happy to help. As for the tuning in the transfers, short answer is no. If you havent seen Rons website, check out...
11-17-2010, 06:26 PM
Replies: 24
Views: 3,495
Posted By makoman1860

RE: Diesel tuned pipe ?

Another key aspect is that unlike a glow or ignition engine, the "diesel" engines use up more of their expansive energy before exhaust opening, so there is much less available energy to generate a...
Forum: Glow Engines
11-17-2010, 10:51 AM
Replies: 35
Views: 3,925
Posted By makoman1860

RE: Cast Aluminum Question

Proparc,
I know what your asking, and you think its a simple question. It is not. Knowing the alloy used is 10% of the knowlege required to know the specifics and performance of a casting. It is...
11-11-2010, 01:24 PM
Replies: 7
Views: 1,023
Posted By makoman1860

RE: tee dee with a carb

I for one have never had the best luck with the cox diesel conversions, at least not as good as specific diesel engines. For what people pay for the teedee RC engines, you could sell it and buy a PAW...
Forum: Gas Engines
11-05-2010, 03:11 PM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

Well luckily for all of us poor guys, old technology is cheap and we can then afford our hobbies. Based on the wages of the average unskilled worker, a Brown Junior engine in 1936 would cost about...
Forum: Gas Engines
11-05-2010, 01:01 PM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

Exactly,
Which is why 1960 technology is fine for toy engines. Cheap, proven and performs well enough for the task at hand. Welcome to wal-mart :)
Forum: Gas Engines
11-05-2010, 11:23 AM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

Why not? The turbine guys do...........
11-05-2010, 09:36 AM
Replies: 29
Views: 3,138
Posted By makoman1860

RE: General port timing guidelines?

It sure does tell you. Time to do some math :)
Forum: Gas Engines
11-05-2010, 08:30 AM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

Hmmm that must be the issue then, I dont work at wal-mart! :) Usually by the time something finally gets to that stage, its out of date in the engineering world. At least until the time when you...
Forum: Gas Engines
11-05-2010, 08:06 AM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

Hmmm,
Our engines were full roller bearing in 1945, Stainless steel reeds are still popular and in most production engines, but we had composite reeds in the 50's. composite bore engines go back...
Forum: Gas Engines
11-05-2010, 07:29 AM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

I didnt say 1960's engines, I said 1960's technology. 1960's engines were made with 1940's or 1950's technology. I didnt say it was a bad thing either, no use re-inventing the wheel.
Forum: Gas Engines
11-04-2010, 11:39 PM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

Oh its not just you old people that prefer reading :). The sad thing is, about 3% of what is known about IC engine design is on the internet, and about 40% is even available to the public in one form...
Forum: Gas Engines
11-03-2010, 11:06 PM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

I was the one who said that "squish" itself was not what we once thought it was. Basicly the mechanism by which combustion systems would either be knock sensitive or not turned out to not be what we...
Forum: Gas Engines
11-03-2010, 08:26 AM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

Just to bring some people "up-to-date" here. Squish is really no longer considered a reliable lever in knock control. Simple elimination of trapped end gasses was the key, not a "jet" of gass coming...
Forum: Gas Engines
11-01-2010, 11:55 PM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

KillJoy? Well I hope not, more of a realist. Like I said, they probably got something to "work", but I can be put on record here doubting its performance. You cant run an engine on gasoline with...
Forum: Gas Engines
10-31-2010, 11:03 PM
Replies: 79
Views: 8,576
Posted By makoman1860

RE: New form of Gas ignition

Smartplugs, old idea that doesnt work in reality. The idea has been around for 60 years and tried by almost every engine company out there. Much like a glow plug, the ignition event is a...
Forum: Gas Engines
10-29-2010, 03:18 PM
Replies: 78
Views: 6,623
Posted By makoman1860

RE: E15 - More Ethanol Coming Our Way

Yeah...guys that dont like de-varnishing an engine, just wait until they have to deal with TEL deposits....... UL98 should be good though.
Forum: Gas Engines
10-29-2010, 08:14 AM
Replies: 78
Views: 6,623
Posted By makoman1860

RE: E15 - More Ethanol Coming Our Way

What fun would that be??? Anyone can talk RC......but it takes a lot more reservation to be able to talk about politics, fuels, oils, etc and not get in a huge argument.....:) :)
Forum: Gas Engines
10-28-2010, 11:53 PM
Replies: 78
Views: 6,623
Posted By makoman1860

RE: E15 - More Ethanol Coming Our Way

Hmm maybe some people will realize that part of the reason their fuel economy is suffering with E85, is the fact that their engine is designed for gasoline. You cant design an engine to be effecient...
Showing results 1 to 25 of 106
 


 
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