More power — less weight. Spare parts Kits ULRead Software . Did they dump the UL's or are they still a good option? I like being able to burn mogas but in the long run the best engine will be the best. I installed a brass nipple just aft of the intake scoop opening. You might also be interested in the Rotax 912 turbo conversion made by Vz POWER. They saw the airplane leveling, then slightly turning to the right, A couple of problems, technical issues, lack of good props, lack of the option for hydraulic constant speed prop makes the UL Power less interesting than any other engine. Contact . Witnesses reported that they heard the engine stopping abruptly when the airplane was about 2/3 of the length of the runway. The NTSB did their thing, and after a thorough investigation, it was found that the ECU was mounted on the Firewall. That means a 60-64" prop. No, I don't mean SAE, I'm referring to correctly installing the engine, cooling ducts, ECU, and air filter. The engine's performance and lack of communication and also the faith in UL Power engines sink to a minimum level. UL, Jabiru, Corvair all have the problem of producing rated power only at high speeds which require small props in order to keep the tip speed subsonic. UL definitely needs to look at their pricing if they want to complete with the Titan. If you have a small airframe that can get out of the way of the stream tube of such a prop, fine. Weight up front was not an issue for that plane. I'm assuming the later because I also. This may have been due to a slight suction on the port, but more likely was due to a small change in the mixture. I spoke to Harrison Smith at Sun and Fun 15 when he flew the UL power superstol XL down and he seemed very pleased with it. Forum for homebuilt experimental & light sport aircraft pilots, owners, & builders. The engine that Just has on their blue demo plane weighed 259 from the factory. It doesn't take much to get a perceptable vibration. According to Gary, Troy, and Harrison at Just, along with the prop manufacturer, the UL engines were not making quoted rated power. I figured it must be some things that people weren't liking. After a normal take-off run with flaps up, the airplane took-off. Sales centers . The Titan pulled over 780 pounds of thrust with 355 ft/lbs of torque during test runs at Just. Engines . When I spoke with them about the different engines in June they said the Titan way outperforms the UL. ~Several years ago, a Sonex builder took off with his new UL Power engine and experienced total engine failure above the runway. I have to agree with Winston, even though my UL was running better and more power then it ever had(after I corrected a bad valve grinding issue and did an upper end overhaul), I would definitely take the Titan over the UL for the simple reason of Lycoming history. UL Power light aircraft engines. Instead of forging the flange as an intregal part of the crankshaft, UL has a short (less than 1/2") spline on the end of the crankshaft that engages a spline on the prop flange which is held in place with a large bolt that threads into center of the end of the crank shaft. I recently swapped out my UL 350iS for a Rotax 912 ULS because of the way UL attaches the prop flange to the end of the crankshaft. The engine that Just has on their blue demo plane weighed 259 from the factory. During flight testing I noticed a slight decrease in Static RPM, but as the aircraft began rolling down the runway, the RPM would recover. to the air coming into the engine. ULPower Aero Engines Simply the best engine to power your airplane! Weight up front was not an issue for that plane. Forum for homebuilt experimental & light sport aircraft pilots, owners, & builders. Didn't get details. Are you going to run a prop that operates efficiently at 3300 rpm? http://www.forum-ulm-ela-lsa.net/viewtopic.php?f=443&t=3239, http://corvus-hungary.com/en/sa_ultra_l ... am_26/t_UL. Prior to seeing the statement above I tried plumbing this sensor to various locations, attempting to get a proper pressure reading to match the outside air pressure. I just wonder if the UL power develop some problems that I never heard about or if they just like Titan better. More power – less weight. I just ordered the Titan option for my own reasons. The asymetrical loading on the prop (I was running a 2 blade Cato, 74 x 34) causes this connection to loosen up, both stretching and wearing the bolt threads and the spline teeth, especially on the flange. Then they changed over to the Titan. According to Gary, Troy, and Harrison at Just, along with the prop manufacturer, the UL engines were not making quoted rated power. The idea was to take a pressure reading from a location that would be virtually. This guy was lucky to walk away from the crash site. News . Witnesses reported the take-off preparation, with engine power-up as being normal. I want to address each one in detail, so get comfortable. Homebuilt Experimental Aircraft & E-LSA Forums. The aircraft crashed and was totaled. Out of the several locations, my first attempt was by far the most successful. For general discussion of the Just Aircraft family of aircraft.
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