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Type: Posts; User: steve111

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  1. Replies
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    482

    Sorry gents, but I think you're misunderstanding...

    Sorry gents, but I think you're misunderstanding David's process for making and fitting contrapistons. The contra is NOT installed from the top of the liner, as you assert, Chris. What the article...
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    482

    The very good engine builder I know will tell you...

    The very good engine builder I know will tell you that the contra must be pressed in from the BOTTOM, carbon crystals notwithstanding. The carbon threat is dealt with by careful cleaning.
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    388

    Jet A1 has various additives like antifungals and...

    Jet A1 has various additives like antifungals and FSII (Fuel System Icing Inhibitor), so I'd be a bit surprised if all kero sold here was Jet A1. But then I'm often surprised.

    I've used Jet A1...
  4. Thread: Fuel Blend

    by steve111
    Replies
    21
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    515

    Hope everything goes well with your wife, Dave.

    Hope everything goes well with your wife, Dave.
  5. Thread: iPhone tach?

    by steve111
    Replies
    15
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    397

    Good question. It'd be fair to say that it's an...

    Good question. It'd be fair to say that it's an expensive app but a cheap tach. For my purposes it completely replaces my regular tach (with a few additional advantages), and I'm entirely satisfied...
  6. Thread: iPhone tach?

    by steve111
    Replies
    15
    Views
    397

    Hi Brian, "yes" in both cases. It works a treat...

    Hi Brian, "yes" in both cases. It works a treat with YouTube videos; it's also interesting to tach your CL model in flight from the centre of the circle.
  7. Thread: iPhone tach?

    by steve111
    Replies
    15
    Views
    397

    "Engine RPM" (as per the first post). Not sure...

    "Engine RPM" (as per the first post). Not sure if there's an Android version or just iOS.
  8. Thread: iPhone tach?

    by steve111
    Replies
    15
    Views
    397

    Yes, it just listens to the engine. The display...

    Yes, it just listens to the engine. The display shows a waveform with big spikes where the harmonics are, and there are red index lines which lock onto the harmonics. (You may need to swipe l/r to...
  9. Thread: iPhone tach?

    by steve111
    Replies
    15
    Views
    397

    Yes, I use it all the time (in fact I don't...

    Yes, I use it all the time (in fact I don't bother with my regular tach any more since getting it). It gives identical readings to a good Fromeco tach that a friend has. It doesn't care about light...
  10. Thread: Fuel Blend

    by steve111
    Replies
    21
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    515

    Dave, I'm not sure it's possible for you to have...

    Dave, I'm not sure it's possible for you to have goofed on the fuel mix enough to cause that sort of drop in performance, unless maybe you reversed the kero and castor proportions. (You are...
  11. Thread: Fuel Blend

    by steve111
    Replies
    21
    Views
    515

    No worries Dave, it's natural to think that if...

    No worries Dave, it's natural to think that if something's adjustable, then you can adjust it to your heart's content. I didn't know better either, until I started flying with people like David Owen....
  12. Thread: Fuel Blend

    by steve111
    Replies
    21
    Views
    515

    Dave, it sounds like you might have been more...

    Dave, it sounds like you might have been more reluctant to adjust the needle setting than the comp, when it should really be the other way around. You really want to mess with the comp as little as...
  13. Replies
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    1,291

    Am I missing something, or are we discussing two...

    Am I missing something, or are we discussing two different things here? i.e. Isopropyl nitrate vs isopropyl nitrite​?
  14. Replies
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    2,016

    I've found all their Schnuerle diesels (CX11,...

    I've found all their Schnuerle diesels (CX11, SS25, SS30) to be similar when it comes to getting a good setting. My CX11 and SS25 are AAC (and a friend's CX11 Ultra is ABC), so I doubt that it's...
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    2,016

    Yes, I do.

    Yes, I do.
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    2,016

    I have the SS25DBB Al-Chro, and the SS30DBB. ...

    I have the SS25DBB Al-Chro, and the SS30DBB. I've done a lot of flying with the 25, and a very small amount with the 30. Both are beautifully built, with excellent fits. I find that compared with...
  17. Replies
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    1,421

    Dave Owen (the "O" in LOLA). The K&B Infant was...

    Dave Owen (the "O" in LOLA). The K&B Infant was used as the basis for it.
  18. Replies
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    1,421

    I haven't run one, but had a good look over one...

    I haven't run one, but had a good look over one that the designer happened to have at his place. I agree that the price is fairly steep, but the quality seemed excellent - they're made for PAL by...
  19. Thread: Paw 19

    by steve111
    Replies
    15
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    327

    I wonder if the issue is something other than an...

    I wonder if the issue is something other than an inherent vibration problem with the PAW 19. I've used a number of these extensively over the years, and have never had an issue with vibration, even...
  20. Replies
    11
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    452

    Hi Dave, Put the fuel pickup at the back of the...

    Hi Dave,
    Put the fuel pickup at the back of the tank in the vertex of the wedge (where you'd expect it to be). The uniflow also ends in the vertex of the wedge. How far along isn't that critical,...
  21. Replies
    11
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    452

    Hi again Dave, to answer your questions in order,...

    Hi again Dave, to answer your questions in order, I'd suggest:

    1. Yes - you are missing a golden opportunity to make a uniflow tank. They really do work well, and will help prevent your diesel...
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    Not that I'm aware of.

    Not that I'm aware of.
  23. Replies
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    313

    NV engines have taken up where Norvel left off,...

    NV engines have taken up where Norvel left off, and make a diesel head specifically for the 049/061. A friend of mine has one, and did an extensive write-up here:...
  24. Replies
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    591

    Dave, the top-level stunt fliers will rightly...

    Dave, the top-level stunt fliers will rightly insist that any competition stunter must have adjustable leadouts. These are people who can sense that they want a bit more tension in the 3rd corner of...
  25. Replies
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    Dave, don't stress yet. Your engine, if it weighs...

    Dave, don't stress yet. Your engine, if it weighs 6.35 oz, is only a third of an ounce more than a PAW 249 (which I think the model was designed for). The amount of tail weight needed to compensate...
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