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Type: Posts; User: steve111

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  1. Replies
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    Yes, there were some significant changes when...

    Yes, there were some significant changes when they changed over to the angled-venturi models - not just the obvious external stuff, but things like crankpin diameter (& hence conrods) as well. ...
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    Hi Jenny, 14000 with an 8x5 would be...

    Hi Jenny,

    14000 with an 8x5 would be reasonable for a good .15, but with a 9x5 it's beyond anything I could believe. I don't think even my 19TBR would get close. Even PAW only claim .34 bhp (I...
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    979

    I'm always pretty happy to see around 12000 on a...

    I'm always pretty happy to see around 12000 on a 9x4 with any sport .15 diesel. 11000 with a 9x5 would be in the same ballpark. If you've got a PAW .15 that used to do 14000 on a 9x5, you need to...
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    979

    In answer to your initial question, then, I don't...

    In answer to your initial question, then, I don't think there's any way you've got too little ether.

    Have you tried it with a bigger prop, something like an 8x6 or 9x4? It won't need as much...
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    Franchi, if you really want to see a diesel run...

    Franchi, if you really want to see a diesel run hot, going overcompressed is the way to do it. A lean setting will run a bit hotter than normal, but ultimately the misfire will cause it to be...
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    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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    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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    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...
  9. Thread: Fuel Blend

    by steve111
    Replies
    21
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    544

    Hope everything goes well with your wife, Dave.

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

    by steve111
    Replies
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    415

    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...
  11. Thread: iPhone tach?

    by steve111
    Replies
    15
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    415

    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.
  12. Thread: iPhone tach?

    by steve111
    Replies
    15
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    415

    "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.
  13. Thread: iPhone tach?

    by steve111
    Replies
    15
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    415

    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...
  14. Thread: iPhone tach?

    by steve111
    Replies
    15
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    415

    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...
  15. Thread: Fuel Blend

    by steve111
    Replies
    21
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    544

    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...
  16. Thread: Fuel Blend

    by steve111
    Replies
    21
    Views
    544

    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....
  17. Thread: Fuel Blend

    by steve111
    Replies
    21
    Views
    544

    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...
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    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​?
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    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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    Yes, I do.

    Yes, I do.
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    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...
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    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.
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    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...
  24. Thread: Paw 19

    by steve111
    Replies
    15
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    342

    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...
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    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,...
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