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Old 01-20-2021, 09:27 AM   #221
Frank Klenk
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Re: Engine running


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Mike I sent you a pm on the PAW 60 too.
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Old 01-20-2021, 11:02 PM   #222
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Re: Engine running

Thanks Frank, I got it. Not sure what to come back with yet, will get back to you.

Here is a brief, finger-numbing run of the KMD 2.5cc diesel this afternoon. This is definitely a pre-1990's version, not sure how many iterations there were. 8-4 APC. Not only did the NV still want to creep out despite tweaking the collet a bit tighter this run, but I could barely turn the compression screw by the time I got to that point, my fingers were so cold and I was using a now very oily quarter to turn it in the icy slipstream. But it showed 14,750rpm on this run when I had both near optimum. The 2004 test of a newer version, copied in the Sceptreflight website reported 15,500 on the same prop. This one has very little run time so far.

https://youtu.be/ZsNHGZI0EkA
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Old 01-22-2021, 11:59 AM   #223
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Re: Engine running

Here's the PAW factory tour video if it hasn't already been posted: https://youtu.be/akPsZdK490s
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Old 01-22-2021, 02:24 PM   #224
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Re: Engine running

Guys
having a question about storing the byron nitro fuel in a cold garage
, if it affects the caster because I feel the fuel looks thicker now
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Old 01-22-2021, 03:45 PM   #225
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Re: Engine running

Hashim:
The castor oil in your fuel will thicken or become more viscous as the temperature drops, that is normal. Suggest you warm your fuel a bit before use and be sure to give it a shake. Don't store your fuel on a cement floor. On a shelf or on a piece of wood and out of direct sunlight is best.
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Old 01-26-2021, 10:28 AM   #226
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Re: Engine running

In my cold basement workshop, I have styrofoam on the floor where things like fuel and paint sit.
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Old 01-26-2021, 10:33 AM   #227
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Re: Engine running

Here's a not diesel for a change - a recently acquired Sport Jett .40, that has spent some time pulling Quickie 500's around the local race circuit. I don't want to admit what a deal I got in it and a fresh Rossi .61 RE..

I loosened it up with a shot of mineral spirits down the throat, flushed the carb, and mounted it up. It still pinches at TDC, and the piston looks like a freshly run-in engine.

And looky here - it turns right up to spec, using an MA 10-6 here because seems I am out of APC 10-6's. They are supposed to hit 16,500 on an APC 10-6 before leaving the factory. I have an SJ50 already, it tops this by about 1000rpm on the same props. Both are monster engines.

https://youtu.be/onkahwSdFrg

No fingers were frostbitten or chopped off in the making of this video.

p.s. an APC 9-7 showed close to 17,300.
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Last edited by MJD; 01-26-2021 at 04:32 PM.
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Old 01-27-2021, 04:50 PM   #228
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Re: Engine running

Quote:
Originally Posted by MJD View Post
Thanks Frank, I got it. Not sure what to come back with yet, will get back to you.

Here is a brief, finger-numbing run of the KMD 2.5cc diesel this afternoon. This is definitely a pre-1990's version, not sure how many iterations there were. 8-4 APC. Not only did the NV still want to creep out despite tweaking the collet a bit tighter this run, but I could barely turn the compression screw by the time I got to that point, my fingers were so cold and I was using a now very oily quarter to turn it in the icy slipstream. But it showed 14,750rpm on this run when I had both near optimum. The 2004 test of a newer version, copied in the Sceptreflight website reported 15,500 on the same prop. This one has very little run time so far.

https://youtu.be/ZsNHGZI0EkA
It runs great Mike! Are your fingers thawed out yet LOL.
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Old 01-27-2021, 04:57 PM   #229
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Re: Engine running

Makes my fingers ache to watch that!
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Old 01-28-2021, 08:51 AM   #230
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Re: Engine running

I wish I could afford one of very engine Dub Jett makes.. $%$& they are just the best. I flew the same thin wing delta on a West .50 (the hotsy-totsy Magnum engine) on an open pipe set up for 20.5k, and a "regular" Sport Jett side exhaust .50. The Jett was clearly a bit faster. And the delta was faster than a Magnum R in case anyone is wondering, they don't go 200 even though the ads said so.

Now that we are at the end of January into February, and the temps drop and the snow on the back deck is getting deeper.. it is going to take some serious curiosity to get me outdoors at the test stand again!
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