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Type: Posts; User: downunder

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  1. Replies
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    I have a test of the ABN (first) version of the...

    I have a test of the ABN (first) version of the Hanno at http://sceptreflight.net/Model%20Engine%20Tests/Hanno%20Special%20ABC.html which gives an indication of the red pipe length although neither...
  2. Yesterday I had to remove a prop driver from a...

    Yesterday I had to remove a prop driver from a second hand engine I'd just got and, as usual, it was extremely tight and relatively gentle methods of persuasion didn't work so I used whatever tools I...
  3. It's not too much of a problem unless it fell...

    It's not too much of a problem unless it fell down into the crankcase when you were removing the liner. I'd check that fairly carefully before you put the liner back in. Otherwise you can eyeball the...
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    What's used in racing cars is ideal and cost...

    What's used in racing cars is ideal and cost should be around the same as for petrol. Remember to keep the container air tight when you're storing it.
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    First I have to ask, does everyone have to use a...

    First I have to ask, does everyone have to use a glow engine?

    If yes then consider using ethyl alcohol and not methanol. Make a moonshine still :). Methanol is deadly poisonous and not all of it...
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    560

    That sounds as though you've got (had :)) an old...

    That sounds as though you've got (had :)) an old OS 35 Max-S which has a cast iron piston running in a steel sleeve. Engines with this type of construction thrive on all castor fuel or fuel with at...
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    Just a caution on the crockpot/antifreeze method....

    Just a caution on the crockpot/antifreeze method. Antifreeze is a deadly poison as are the fumes so don't do it inside. Don't pour any antifreeze on the ground because it has a sweet taste that...
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    To be more specific, when the crankpin is ground...

    To be more specific, when the crankpin is ground to size it leaves a small radius where the pin meets the web. This is needed to avoid a stress raiser which could lead to the crankpin shearing off....
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    Glow engines are something of a contradiction in...

    Glow engines are something of a contradiction in that they're about as simple mechanically as possible but they get quite complicated when you dive into the nitty gritty of how they work and the tiny...
  10. Replies
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    1,692

    This is the trainer I built for my son many years...

    This is the trainer I built for my son many years ago. Wing is two lengths of 1/2" sheet balsa butt glued together and sanded to what might laughingly be called a symmetrical section (mainly to...
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    I have a web page with a few :) model engine...

    I have a web page with a few :) model engine tests at http://sceptreflight.net/Model%20Engine%20Tests/Index.html and the tests on the G15 may give some clues about the G15/19 seeing it's based on the...
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    451

    From what I understand, if it has a 5mm...

    From what I understand, if it has a 5mm crankshaft then it's definitely got a front bearing. If it's got a 1/4" crankshaft then this was done to accept common flywheels for car use but there's not...
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    451

    This is one of my G15/19's with its original flow...

    This is one of my G15/19's with its original flow through "muffler". Randy Smith at http://www.aeroproduct.net/ is worth a try for one of his very light weight CNC mufflers if you can't find anything...
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    451

    I'm not certain but I think the ST needle valves...

    I'm not certain but I think the ST needle valves from Stuka Stunt use a different (American) thread to the original ST needle. Best I can find on a search is this one which is for an ST G51 but ST...
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    Maybe seize the lapped piston? :) Within...

    Maybe seize the lapped piston? :)
    Within reason, oil content as no effect on revs.
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    Definitely made in Russia, in fact it's even cast...

    Definitely made in Russia, in fact it's even cast into the side of the RH mount lug :). Yours is the same as mine with the first type head button that a Cox spanner fits.
  17. Thread: Club Enya

    by downunder
    Replies
    2,279
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    162,502

    This may or may not work but you've got nothing...

    This may or may not work but you've got nothing to lose :) so try running the engine with about 3-5% acetone added to the fuel. You may have to use an electric finger at first but take note of how...
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    Those shavings probably aren't going to cause too...

    Those shavings probably aren't going to cause too many problems (if any) because it obviously uses a cast iron piston in a steel liner and there's no ball races to worry about. What intrigues me...
  19. It could do if the low speed needle is wound much...

    It could do if the low speed needle is wound much too far in where it can be inside the spray bar hole and that would show up by not being able to richen the high speed needle.
  20. Thread: Club Enya

    by downunder
    Replies
    2,279
    Views
    162,502

    I think you'll find it really is chrome but Bob...

    I think you'll find it really is chrome but Bob will correct me if I'm wrong :).
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    Probably the best reason is by looking at the...

    Probably the best reason is by looking at the comparison between the Cox Olympic 15 and the Tee Dee 15. Both are virtually identical except the Olympic uses a reed valve with the Tee Dee being...
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    Actually it's all rather funny. Here he is...

    Actually it's all rather funny. Here he is complaining about all the oil squirting out of the front bearing but if you go to his web page you'll find he's flogging off some magic thing that stops air...
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    Ordinarily I keep away from arguments especially...

    Ordinarily I keep away from arguments especially when it's over something as minor as a bit of oil leaking from a bearing but when some AH talks about crickets and sends a PM saying "maybe stick to...
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    This is incorrect. I generally run engines in a 4...

    This is incorrect. I generally run engines in a 4 stroke (which I suspect you'd call pig rich) and, when running in some engines, have them so rich they'll barely keep running yet they don't lose...
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    I'm guessing it's a II because mine has a III...

    I'm guessing it's a II because mine has a III stamped on the edge of the LH mount. I'm a bit hazy on internal changes but the original 60X had a 15mm crankshaft and a different front end casting.
    ...
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