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Search: Posts Made By: gkamysz
Showing results 1 to 25 of 500
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Forum: Glow Engines
02-02-2012, 06:47 AM
Replies: 54
Views: 9,131
Posted By gkamysz

RE: Prop on a car engine

Testing a car engine for performance should be done on an inertia dyno. It's the quickest way to get a curve through the entire RPM range. A prop will only give data for one speed. Do the math and...
Forum: Gas Engines
02-01-2012, 10:34 AM
Replies: 155
Views: 16,127
Posted By gkamysz

RE: BOLD PREDICTION: Zenoah will eventually follow FUJI IMVAC down the crapper

The time has come. http://www.dieselrc.com/x/other/popcorn.gif

http://www.rcuniverse.com/forum/m_10938557/tm.htm

...
Forum: Engine Conversions
01-26-2012, 08:17 PM
Replies: 6
Views: 3,195
Posted By gkamysz

RE: E85 in the OS Bio-Ethanol engines

He's thinking of the Enya Gasoline glow plug engine.

It's been done with E85 and regular hot glowplugs. Just get several plugs and try, even four stroke plugs in a two stroke. Good luck. They...
Forum: Everything Diesel
01-19-2012, 12:00 PM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">This was an airplane engine.</span><hr style="font-family: Verdana, Arial; font-size: 13px;...
Forum: Everything Diesel
01-19-2012, 09:38 AM
Replies: 58
Views: 5,462
Posted By gkamysz

RE: OS 40FP with DDD

Dave, if the engine is set correctly, I agree. Our diesels are usually set near detonation on the side of normal combustion. If you're conservative on settings, the engine will be fine. Not every...
Forum: Everything Diesel
01-19-2012, 09:02 AM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<blockquote class="quote" style="border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid;...
Forum: Everything Diesel
01-19-2012, 08:23 AM
Replies: 58
Views: 5,462
Posted By gkamysz

RE: OS 40FP with DDD

There is less margin of error to get the actual ignition timing right. When the engine is turning slower it's much easier for the pressure rise in the cylinder to be very fast and this leads to high...
Forum: Everything Diesel
01-18-2012, 07:29 PM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<blockquote class="quote" style="border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid;...
Forum: Everything Diesel
01-18-2012, 10:56 AM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">You'd be surprised at how quickly the rod in my experiment became too hot too hold at only...
Forum: Everything Diesel
01-17-2012, 07:07 PM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">We can guess and assume many things and many different answers will come of it. You can guess...
Forum: Everything Diesel
01-17-2012, 03:52 PM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">BTW, Earl, thanks for the photos. I was sure somebody had used a groove like that. You must have a...
Forum: Everything Diesel
01-17-2012, 03:50 PM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">I have a Picco 3.5cc FISE with this kind of crank. The rod big end also has two holes in the normal...
Forum: Everything Diesel
01-17-2012, 11:51 AM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<blockquote class="quote" style="border-top-width: 1px; border-right-width: 1px; border-bottom-width: 1px; border-left-width: 1px; border-top-style: solid; border-right-style: solid;...
Forum: Everything Diesel
01-17-2012, 07:30 AM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">Pe, have you seen the cranks with an oil feed hole drilled through the intake passage to the crank...
Forum: "1/2 A" & "1/8 A" airplanes
01-17-2012, 07:26 AM
Replies: 288
Views: 30,447
Posted By gkamysz

RE: Mini F-16 vintage project consideration

OK, I see now. I've never seen a recessed Kress rotor. If you don't have a convenient source for the spacer, contact me. I'd make the rings from 1/8" aircraft ply. Leave a short lip on the ends of...
Forum: "1/2 A" & "1/8 A" airplanes
01-16-2012, 06:27 PM
Replies: 288
Views: 30,447
Posted By gkamysz

RE: Mini F-16 vintage project consideration

Did you get the venturi interference sorted?
Forum: RC Fuels
01-16-2012, 09:08 AM
Replies: 10
Views: 1,382
Posted By gkamysz

RE: How to keep castor from seperating in cold?

Typically the answer is synthetic oil.

How long has your castor been sitting around? I've had problems with old castor.
Forum: Everything Diesel
01-16-2012, 08:25 AM
Replies: 41
Views: 4,228
Posted By gkamysz

RE: Reaction to Diesel Fumes...?

I get a reaction to the oil in fuel, I think. It seems to happen no matter what kind of engine I run, glow, diesel gas, E85, plus whatever else I've tried. Usually only when there is no wind. my...
Forum: Everything Diesel
01-16-2012, 08:18 AM
Replies: 61
Views: 19,191
Posted By gkamysz

RE: Oil holes in conrods?

<span style="font-family: Verdana, Arial; font-size: 13px; background-color: rgb(251, 252, 255); ">This is not something 99% of us even need to be aware of, let alone think about. High performance...
Forum: "1/2 A" & "1/8 A" airplanes
01-12-2012, 09:21 AM
Replies: 288
Views: 30,447
Posted By gkamysz

RE: Mini F-16 vintage project consideration

I just typed rk709 and rk-709 in the google image search. One is from a french site the other from a classified ad here at RCU. Looks like the section didn't make it.
Forum: "1/2 A" & "1/8 A" airplanes
01-12-2012, 07:58 AM
Replies: 288
Views: 30,447
Posted By gkamysz

RE: Mini F-16 vintage project consideration

You do have the prop driver on there right? Props would hit the venturi too?

This is what the parts looked like. A couple photos from the net. There were a few versions it seems. Some with...
Forum: "1/2 A" & "1/8 A" airplanes
01-11-2012, 12:03 PM
Replies: 288
Views: 30,447
Posted By gkamysz

RE: Mini F-16 vintage project consideration

If the 8-32 will hold a prop it will hold the fan. The torque and power output of the engine is the same. I'd start with a simple bushing and see if the fan mounts square. What are you drawing with?...
Forum: Glow Engines
01-11-2012, 09:49 AM
Replies: 46
Views: 4,216
Posted By gkamysz

RE: Made my own glow fuel today

Yes, can of worms. Just chalk it up to experience. I have about a gallon of strange or wasted fuel mixes and I make small 100-200mL batches when testing different things. Most of it just stuff that...
Forum: Glow Engines
01-11-2012, 08:20 AM
Replies: 46
Views: 4,216
Posted By gkamysz

RE: Made my own glow fuel today

If you add that much gas the model lube might stay in solution. The trouble is your fuel probably will not work well. Gasoline will further reduce the power output and require even leaner needle...
Forum: Glow Engines
01-10-2012, 07:53 PM
Replies: 46
Views: 4,216
Posted By gkamysz

RE: Made my own glow fuel today

Chances are without the 12% acetone you already have in there all of the Model Lube would be at the bottom of the jug. I can't think of anything you could add that would result in a useable fuel. Yes...
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