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    Tail Height to Accommodate Larger Propeller for Rotax 912

    - No it is a Sonerai 1 with low wing. No change to fuselage length. - The cowl was made to fit the plane. - Empty weight is 588 pounds. The aluminium skins are riveted to shallow steel "u" shaped channels welded to the longerons. Have attached a picture showing a couple of channels and also...
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    Tail Height to Accommodate Larger Propeller for Rotax 912

    It is a Sonerai 1 with low wing and no canopy parts for a Sonerai were used.
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    Tail Height to Accommodate Larger Propeller for Rotax 912

    Yes the front section of the (RV3) canopy is fixed. It is a long time (25 years) since the fuselage tubes were cut and welded but I can't remember any deviations. It is possible there may be slight differences between my plans and yours. Today I measured from the top of the floor tubes to the...
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    Tail Height to Accommodate Larger Propeller for Rotax 912

    Yes - first flight was 2 years ago and the plane currently has 42 hours. In my experience the general handling of the Sonerai is much like a Corby Starlet (very good handling). Rudder authority is powerful. Several experienced aerobatic pilots have flown it and no negative handling...
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    Tail Height to Accommodate Larger Propeller for Rotax 912

    - The prop is a Bolly and ground adjustable pitch. Not in-flight variable pitch. Performance is outstanding anyway. Bolly is the manufacturer of the Scimitar prop for Jabiru. - The 5 inch gear extension was decided after assessing the deck angle of several aerobatic taildraggers. My original...
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    Tail Height to Accommodate Larger Propeller for Rotax 912

    I wasn't sure whether you wanted a picture of the seat or undercarriage so here are pictures of each that I had. If you want more detail I will be going to the airport later this week.
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    Tail Height to Accommodate Larger Propeller for Rotax 912

    While some people have increased tail height I wouldn't agree that it is necessarily longstanding best practice. That's just what people have done and I assume because it seems easier. I went the other way and moved the seat down and moved the elevator push rod to get more than adequate torso...
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    SII LS/J3300 2019

    Thanks for the info on Carter fuel pumps. Will be interested to see your comments on how the pump performed after you get back into the air. I saw today that there is a K&N pump that also has 1-2 psi and will deliver 15 gph. Any comments on K&N pumps?
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    SII LS/J3300 2019

    Wow - a cowling in 3 weeks! That's a real achievement. Your first post mentions installing a 0-2 psi pump. What kind of pump did you install? Is it a Facet cube pump? Have not been able to find Facet part number 40298 in Australia so am currently using a 4 psi pump with an automotive pressure...
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    582 Rotax

    190 knots with RPM above the recommended max. 180 knots at 3300 continuous.
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    582 Rotax

    I'll add my 2 cents in support of the Jabiru engine. The 2200 is well suited to the Sonerai and when setup correctly it is smooth and gives few problems. Here is a link to a short video of another Sonerai 1 "down under" in South Australia but with a Jabiru 3300. https://youtu.be/QXISyi0ZOFc
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    Fabric top coat paint

    Thanks for info Bill - I will call the guy at Sonex.
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    Aluminum sheet skin?

    Our S1L was built with aluminum skin. The only fabric is the horizontal stab, elevator and rudder. Empty weight is 570 pounds with a Jabiru 3300 which I believe is slightly heavier than most VW engines. Downsides are a lot of extra work and some oil canning on the rear fuse at high power. Looks...
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    Fabric top coat paint

    Bill - which model of Aeroinjector do you have on your J3300 and which needle are you using? I think the Aeroinjector on our J3300 might be too large (it was intended for a larger capacity engine than the J3300) and needs to run with the mixture about half way to idle cut-off. The engine runs...
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    SONERAI • ACCEPTING OFFERS

    I believe it is a Cosim variometer.
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    Barnstormert Sonerai 2 LTS - Seeking Advice

    Our project got started when I bought a rusty oxy welded fuselage frame. It has been perfectly okay and this is how it looked when some welding was done on it. The frame was sand blasted several years after the picture was taken and it came up like brand new.
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    Why Sonerai?

    I do think the Jabiru Sonerai in Australia(?) is possibly the Ultimate Sonerai II - a regular SII on steroids... but it wouldn't have met the less than $20k goal! I'm not sure if mhflyit was referring to our Sonerai 1 with Jabiru 3300 in South Australia or the Sonerai 2 in New Zealand with a...
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    Low wing Sonerai 1

    I think the photo you are referring to was taken when I was first thinking about going low wing. At that stage the wing had no dihedral. The spar box was subsequently changed to give 1 degree of dihedral but that was purely for aesthetic reasons. From head-on a wing with no dihedral can appear...
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    Thrust Line

    Our Sonerai 1 is powered by a Jabiru 3300 and 1 degree of offset was built into the engine mount. It flies straight and the offset is not apparent.
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    Low wing Sonerai 1

    The aircraft in the video link mentioned in ifida's post (number 5) is a Sonerai 1. It started out as a stock standard Sonerai 1 but in 2000 the decision was made to convert to a low wing and to power it with a Jabiru 3300. A number of modifications have been made but apart from the change to...
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