Thruster88 Posted Friday at 05:54 AM Posted Friday at 05:54 AM (edited) I see jabiru are releasing the 432 twin jab with 2x 2200 80 hp engines. Engine cowlings are now somewhat easier on the eye than previous examples. Specifications are on the Jabiru Australian site, cruise speed is only marginally better than a single 230 at 125knot TAS and fuel burn is much higher. Single engine performance is not mentioned? With fixed propellers and under carriage I don't see this as a viable twin trainer even with VH registration. What is the market? Put that same 160hp but in one engine, a turbocharged Rotax 916, in that excellent airframe and then you would really have something that people would buy rather than maybe a Sling tsi. An expensive premium model. The drag from having two lumps out there compared to one engine in the nose will not fly in the market place as I see it. What say you all? Edited Friday at 05:55 AM by Thruster88 1 1 1
facthunter Posted Friday at 06:25 AM Posted Friday at 06:25 AM It was for a particular use In Africa. "Synching' the Engines will drive you nuts and It won't fly on ONE without feathering. 1
RocketShip Posted Friday at 06:50 AM Posted Friday at 06:50 AM Totally agree. A Rotax 915 or 916 in the 230 Airframe. That would be the best, and like you say they would sell very well. I don't understand why it isn't offered. 1
BrendAn Posted Friday at 07:23 AM Posted Friday at 07:23 AM i don't think the twin will take off, no pun intended. like my idea for a turboprop xair. 1 2
Area-51 Posted Friday at 08:40 AM Posted Friday at 08:40 AM Does this mean when it hits a hangar it will now get through to the other side and keep flying? 🤷🏽♂️🤔✈️ 2
KRviator Posted Friday at 09:00 AM Posted Friday at 09:00 AM (edited) A 916 would cost more tan the entire airframe, yet alone two! A pair of 914's would be a far better choice. Much cheaper, aftermarket EFII is available, critical altitude of FL160 and did I say cheaper than a 916? EDIT: Just saw the same MTOW of 760, so only 280kg payload. You couldn't even put 4 people in before you're over MTOW, so WTF's it good for? Edited Friday at 09:03 AM by KRviator 1 1
Thruster88 Posted Friday at 09:15 AM Author Posted Friday at 09:15 AM A Rotax 915 would do the job at $69k aud or the 916 at $81k aud. Less the jabiru engine price it is not much more to add for a premium performance personal transport machine. 2
Area-51 Posted Friday at 12:16 PM Posted Friday at 12:16 PM If you visit a graveyard, any graveyard, you will find so many great ideas... graveyards are overflowing with great ideas all over the world... its an unending problem, but somehow the ideas do find a place to be stored for later use.... 2
facthunter Posted Friday at 11:56 PM Posted Friday at 11:56 PM Next to the "Indispensable People", There was also the One where Beethoven was De Composing. Nev 1
Red Posted yesterday at 06:32 AM Posted yesterday at 06:32 AM The thing with Jabiru engines Is doubling the amount of them fitted probably halves the likelihood of someone buying😁 2
facthunter Posted yesterday at 06:47 AM Posted yesterday at 06:47 AM Boom Boom. The engines now are NOT THAT BAD. Nev
onetrack Posted yesterday at 07:22 AM Posted yesterday at 07:22 AM 50 minutes ago, Red said: The thing with Jabiru engines Is doubling the amount of them fitted probably halves the likelihood of someone buying😁 Is this the new aviation maths?
facthunter Posted 22 hours ago Posted 22 hours ago The MORE engines the more chance of having one fail, IF it wont fly on ONE, what use is it? Take a look at what the Plane IS with one engine stopped But NOT feathered It's VERY Assymetric. (Hard to control) and the best you could achieve is an extended Glide for all your good work. On top of that you have the annoying out of SYNCH Inevitable without CS Props in normal flight. Constant fiddling with the throttles. Nev 1 2
Flightrite Posted 2 hours ago Posted 2 hours ago Whilst Jab are free to do what they want but one has to ask, do they really need the extra attention when these contraptions start killing people? Ugly is one thing but crazy decisions are another! 1
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