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  1. M

    ISO Prop

    What numbers were you getting with 54x50? I have an opportunity to buy Sensenich 54x50. Isnt it too aggresive for 80hp? Recommended for Sonex and Aerovee is 54x44.
  2. M

    Propeller wanted

    How did your test go? I am buying an Aerovee 2.1 for my Sonerai 2 project and the seller has also Sensenich 54 x 50. I see that Sonex recommends 54 x 44 for Sonex with Aerovee 2.1 and 54 x 50 for Aerovee Turbo. I will operate from a 600 m (2000 feet) field so probably 54x50 too aggresive...
  3. M

    Is it time to give up on VW engines?

    16 weeks is not that bad. Did you check lead time on Continentals and Lycomings? The article below from Oct last year mention delivery time of one year. https://airpowerinc.com/why-should-you-order-aircraft-parts-engines-sooner-than-later
  4. M

    Sonerai 2 in Europe? Sit inside yours before building my own?

    Yes, I want to scratch build Sonerai 2 in Sweden but would like to sit inside before committing. The plan is to be able to use it as a two-seater. Both me and my wife are short (172cm, 5’’7.5in) but S2 are known to be uncomfortable in the front seat. An alternative is to build the stretched...
  5. M

    2L 2135 vw Ontario

    Any chance you know a good source for 4130 tubing in EU also? Seems like the chiepest option is to order it from aircraftspruce in US. You can also buy tubing at aircraftspruce.eu but it is more or less the same price even when the delivery and customs charges are added.
  6. M

    VW engine failure on Take Off

    I am not even close to being an engine expert but your theory on the drop of manifold pressure is probably wrong. Check comments on previous page. The air supply system consists of a filter, hoses, throttle, manifold and ending with the intake valves. The pressure in the system before the...
  7. M

    Electric Hybrid

    Even though I agree with you that there might be better ways to decrease the emissions, it is not that easy to just blame the other polluters and do nothing in the aviation. Every area should take its own responsibility and try to decrease the emissions. There are really no low hanging fruits...
  8. M

    Electric Hybrid

    The first thing you need to ask yourself is what the aim of the electric planes is? The obvious answer is greenhouse emissions reduction. The whole movement with electric planes just went from that statement and the good experience with electrification of cars and started to investigate how we...
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