Rotax 912is problems. by Timin 912iS Technical Questions. I now keep one at the hanger. Our tanks are coated to seal against any effect from the ethanol and no more ethanol in the US it isn't an issue for aircraft or engine. Most of my work with the 912iS has been with folks having issues with the So start the engine, check oil and gauges and after about 30 sec. Based on the proven concept of the 100HP Rotax 912 S/ ULS engine the 912 iS SPORT engine offers all well known advantages of the Rotax 4-stroke engine series complemented by additional features, e. My cooler is 4. The ECU Timer records the time that the Lanes are powered. EMS says Ignition Fault Cylinder 1/2. This isn't a sputter, cough thing, it just completely shuts down as if you turned off the key. 4 years ago. When I got home and let the engine cool, I opened the coolant cap and it was full to the top. If the Generator is putting out AC volts but the Regulator is not. Has the reliability of the gearbox improved in more recently manufactured engines, since I understand the gearbox Optional Cooling Air Baffle for ROTAX® Aircraft Engines. I then begin a descent, simulating engine out failure. ROTALK is a web based support system which provides a common access point for locating key Information - Education - Support for their Rotax Aircraft Engines such as the Rotax 912, Rotax 914, Rotax 912 iS, Rotax 915 iS, Rotax 503 and Rotax 582. 60psi is way out the norm and 90 psi is the fuel pump's internal safety pressure limiters opening. Little over 40 hours of flight time with NO problems, when during a Takeoff roll, the engine just quit. Making 45+15 = 60psi the highest pressure you should ever see with a 100% blocked filter. I have run diagnostics on the ignition system (Dr Rotech), replaced Rotax Wizard. First, it turns out Rotax was purely innocent. It has the specs for ohming out the pin connections. Operate the engine until the temperatures have stabilized for a period of 5 min (engine oil temperature between 50 to 70 °C (122 - 160 °F). Rotax installation manual clearly warns NOT TO connect lane A/B together to a single instrument. from yellow wires (Should be 18-20 AC volts) c. The engine has no leaks. Improper oil change procedures. The exhaust gas temperature (EGT) on a Rotax 912 series of engines with both ignition circuits active should read 1470 degrees F (800 degrees C) and should not exceed 1560 degrees F (850 degrees C) . North Ridgeville, OH, USA. The easiest way to find the Fault common to BOTH Lanes and the Fuel Pumps is to connect the BUDS Software Dongle and query the Fault causing the Lane Lamps to light. LSRM-A & Rotax Instructor & Rotax IRC. If outside the USA, seek out your nearest Rotax distributor for assistance. Re: Interpreting BUDS fault logs. by Jeff B» 2 years ago. Apr 26, 2018 · It does come with a few costs, as did the 912iS fuel injected engine compared to the 912ULS carbureted engine. •Avoid operation below normal operation oil temperature (190-230° F) as possible formation of condensation water in the lubrication system badly influences the oil quality. Ground taxi at the same RPM (1700) feels higher with the new prop. by Roger Lee» 10 months ago. Recently received my airworthiness for my STOL CH 750 and yesterday was my first flight. Apr 23, 2023 · BRP-Rotax has bumped up the juice on the 912iS. 3. My error, the prop is a 68", taper tip, 3-blade. This is all normal for the 912is. I'm still working on the installation of the 912iS on my MCR-4s. Rotax 912 is engine,when we flight 100 hours,The lane B have some problems. » 10 years ago. Follow Us. 97k. The 912 iS is claimed to be much smoother running with lower vibration. Also, the clamp is wet, if it was leaking past the clamp and out the end of the hose, coolant would not be traveling uphill. 96k. 6v, the battery is Discharging. Unfortunately about an hour into the flight I experienced a low battery alarm and landed to investigate. 76131. 5" x 9" (40in^2) and it is more than adequate. putting out more than battery voltage (12V) the Regulator is faulty. From 12. The second is the Garmin CAN which connects the Garmin G3X to its remote units. Also difficulty with magnetic plug, 3 voltage regulators, required tubing changes. We check all of the connectors,they don't loose. Once the engine starts operation is normal. I can understand the ECU being proprietary. If the battery, capacitor, and AC voltage check out OK, it's probably the regulator. First off, you are using the wrong plug wires! Those types of plug wires (Solid core) WILL cause the coils to fail, so until you change them to the proper type, expect the problems to continue. I also paid 195. 17343. Sodium Filled Exhaust Valves. With about 5000 hours on various 912iS I have been through 4 coils now. Bill Hertzel. The Rotax regulator has to have a load to operate properly. 5. If you have a filter bypass valve, it typically bypasses the filter at 1bar (15psi). The XPS oil testing has shown great ability on the 916 design to be used with auto or unleaded fuel. •To avoid possible accumulated condensation water, at least once a day 212° F must be reached. Starting at S/N 74000 Rotax added an oil spray nozzle to the 912iS gearbox. The 5600 is wired to come on when the master switch is activated. and with ethanol. Checked plugs, checked caps, checked air sensors, increased idle setting on throttle. The battery was just under a heavy load and need a charge. Jan 1, 2019 · At 5200 RPM the engine would set up a resonance that would send the ADHARS offline. 26k. DC volts. MAINTENANCE MANUAL LINE. 3-If all you engine wires are bundled together remove the tach wires and run them separately. 50psi would be a reasonable alarm point. This episode illustrates how to isolate the source of complex aircraft vibrations. 2. Below 5000 rpm, The Lane B is ok. I believe this was to address the early wear problems some folks were having with the 0-degree dog hubs the iS engine uses. Run the engine up to 3000 rpm for a second or two and then back down to warm up rpm. To save $ on sensor replacement once you know the sensor type/functionality and scaling you can usually find a replacement/Chinese knockoff on eBay for a 10th of the cost. 06 liter/hour maximum. Should be 14. A low voltage light at IDLE just after starting is to be expected. Most people have problems with LOW Oil temps so your airflow may be the real problem. This Kitfox owner has struggled over the past two years trying to locate the source of a troubling vibration. 4. 2 years ago. Eccleston Aviation, North West UK Lancashire based On-Site & workshop Rotax Maintenance, Servicing, Repair and Rotax Troubleshooting fully-equipped mobile workshop. Look in the Heavy Maint. Some of the faults on the 912iS engine are caused by a poor connection exacerbated by engine vibration. BRP-Rotax has long been quite conservative with their initial numbers. It tends to Over-Cool during the winter. on, EFIS to engine page, hold start power switch on, lane A and B on, check fuel pressure above 41 PSI and battery above 12 volts, press starter switch and engine is running. S. Perhaps mounting stiffness, motor mounts, prop or any combination. The engine and my home-built aircraft (VM-1) both have 170 hours on them. If you connect the battery to this terminal, the EMS will be powered no matter what. The higher oil temperatures of the 916 were a concern so that drove the testing. Additional. On the iS engine the starter relay is controlled by the Rotax Fusebox / ECU via the HIC-B connector. SB-915 i A-004/SB-915 i B-004 Replacement of Oil Pump Housing. On the throttle body of the injected engines you should be aware that adjustment of the idle speed is done from the factory. When oil is at 70 deg C or more, the engine starts normally. New wires. This is what "Dean said". With no significant differance. Tucson, AZ Ryan Airfield (KRYN) 520-349-7056 Cell. While flying today, the Lane B warning light came on. There were Low Fuel Pressure and Low Oil pressure warnings as the engine quit but then all the engine gauges were inop (red X’s). 00 each for these (at a different vendor) and I too have lost 3 of 4 probes within 300 hours. There could be another split on the backside that you can't see. I use mogas primarily and 100LL only rarely. Fit the oil dipstick and tighten the oil tank cover (1) by hand. MANIFOLD AIR PRES. 591. 14k4. Other estimates put their market Reinstall yellow wires, run engine at idle and check output. As previously posted here, we installed a Rotax 912iS on a KF-IV. Apr 26, 2021 · 912iS Sport Specifications. ULS requires higher maintenance cost as well as higher fuel cost. This may require waiting a few seconds for the pressure to stabilize, or modifying your checklist to energize the fuel pumps a few checklist items earlier. The engine ROTAX® 912 iSc Sport is intended for use in certified aircraft. Just like when the 912iS first came out and the connectors on the back side of the airbox caused faults. Page 30 BRP-Rotax MAINTENANCE MANUAL LINE INTENTIONALLY LEFT BLANK Page 18 Effectivity: 912 i Series September 01/2018 Edition 2/Rev. May 9, 2021 · This is a problem I've had since the first start of my RV-12iS with a Rotax 912iS Sport engine. Only the old 665612 have failed on me so far. See SI-912-016, current issue. Do you know the problem. 024. That gives me about 0. Last week the weather was relatively hot (32C/ 90F) and humid. 5301 downloads. Marc Becker summarized, “The 915iS is about 12 kilos (26 pounds) more for the engine only; 40-50 more pounds when installed and about €3,000 ($3,750 at today’s exchange rates) more than the 914. The complete package presents the latest technology in the aircraft engine industry and will enhance the As far as the small Continentals are concerned—well, the replacement is here. It’s a bit of a time investment, but worth it. Rotax-powered Sling aircraft from The Aircraft Factory, the AVMAP Navigation and engine monitoring system, and the Rotax powered Tucano Experimental and Light-Sport Aircraft. Re: 912 misfire after take off. 131. Re: Rotax 912 Reliability. These problems include: Wear on the gearbox (gear profile and contact faces) Jun 17, 2022 · Phil Lockwood and Dean Vogel provide a detailed look at some essential first steps in troubleshooting ROTAX 912 and 914 engines for potential ignition system problems. Effectivity: 912 i Series BRP-Rotax Page 7-13 Edition 2 / Rev. . The back pressure at takeoff should be Product Review - 912iS Redundancy. End. I have a new 2022 912iS engine on RV12 with 75 hours. by Av8r3400 . I have a question about the wiring of the Lane A/B CAN buses to the G3X GEA24 EIS. When I went to the Rotax maintenance course at Lockwood with Dean Vogel I complained LOUDLY about this issue and the iS engine. one year ago. The RPX Technologies team recently helped a Kitfox owner with a Rotax 912 engine troubleshoot a complex vibration problem. 0 ROTALK is a web based support system which provides a common access point for locating key Information - Education - Support for their Rotax Aircraft Engines such as the Rotax 912, Rotax 914, Rotax 912 iS, Rotax 915 iS, Rotax 503 and Rotax 582. Before starting any maintenance work, please read the Maintenance Manual completely as it contains important safety relevant information. Instead of removing the hose and adding some sealant; try removing the hose and replacing it. In the FAULTS page it read the following message : LANE B SENSOR STATUS. when engine run 5000 RPM,the Lane B light,and RPM up about 5200 quick. Terminal #2 is the Start Power Connection. Rough first start, engine for first 10 sec is working like without one or two cylinders. Refer to Installation Manual Section 24-00-00 Page 8. The pre starting procedure is as the manual and both A & B lane lights cycle and extinguish. 05 MB) Datasheet_912iS_Printpreview_rev1. 91 oct. new spark plugs gap . 30145298. You can see in this video that after reaching 2500 RPM (once Feb 18, 2022 · Lockwood said Rotax is the undisputed leader powering the light sport industry today, with an estimated 80 percent market share in new LSA models sold in the U. Having a BUDS Dongle readily accessible is not an option if you are the owner of a Rotax 912is or 915is engine. I can create an EGT 3 Sensor Fault by flying at night and reducing throttle to Idle. by Rotax-Owner» 4 years ago. Hey Guys, . Av8r3400 . Maybe Lane A incorporates EGT information into the injector mapping, but B does not. Report. This is an interesting problem. pdf. I have consumed 3 liters of extra oil for the 75 hours in total. 50F air temp, 160F coolant temp. The ECU has 2 clocks. I have a Rans S-6-ES Coyote II, the engine is a Rotax 912 ULS 2002. During runup ignition check it will completely shut down on the right ignition. Forum Rules. New resistor caps. 76 inches (70 mm) down stream of the exhaust flange. The 30 amp Gen Bus fuse and 5 amp DC power fuse were also blown. The Rotax 912iS Installation Manual has a thorough explanation of the electrical system, see chapter 24-00-00. Temporarily install a mechanical gauge to confirm your suspicions. Oil pressure must be measured at idle at an oil temperature of minimum 50 °C (120 °F). 912284. We installed the coolant radiator under the belly of the plane, with and without the scoop. Comments. BACKUP Power is connected directly to the EMS power bus without any intermediate components. It is not unusual for the ECU timer to be dozens of hours ahead of the Engine (Hobbs) Timer. I will also install a Garmin G3X touch. Hopefully the new part number 665613 is improved. Then one fuel pump. 11 years ago. I have a similar problem with my RV-12iS. Takeoff I'm showing 500-5100 at initial application of full power. 95k7. Paul Mather of M-Square reported, “Rotax’s latest 912iS now offers 105 horsepower. Plus, one of the replacements failed within 50 hours. At wot, I can over rev the engine in level flight. My 912S (TT 360 hours) is very difficult to start after 3 to 4 days of inactivity. It has a Rotax 912iS engine with about 75 hours. Doing so, you loose redundancy, and in case of problem on one Rotax-powered Sling aircraft from The Aircraft Factory, the AVMAP Navigation and engine monitoring system, and the Rotax powered Tucano Experimental and Light-Sport Aircraft. Re: CRANK SENSOR FAULT. SB-915 i A-005, SB-915 i B-005 Inspection of turbocharger assy. RotaxOwner Admin. 62k. ”. Check output from B+ terminal of Regulator. You have a 70psi sender and the EMS thinks it is a 150psi sender all reading will be halved. with the opposite wire. hello, i have a problem which was described in one topic on this forum. New RV-12iS with Rotax 912iS Sport Engine. by Bill Hertzel» 2 years ago. There are different versions of the dongle which each unlock different capabilities of the software. All Flight Design aircraft can use auto fuel. Terminal #3 is the 12 Volt Power Bus Connection. People filled it up with Aeroshell If there is a connection nevertheless, then rest assure, Rotax has no clue what the bug should eventually be. All flying has been done by me and the engine has never previously had an issue. Data shows the Rotax 912 has better reliability than the traditional workhorses. Engine still runs better than new! Because I recently converted to EFI, fuel economy is even better now. Pulled 6 and 4 pin plugs apart and took each individual wire out of its socket, checked for contact . I was flying and the LANE B light turned on steady. Please leave it alone and use your throttle system if you wish to have a higher idle speed. by Paul Hamilton» 2 years ago. 6. 15k4. by Bill Hertzel» 3 years ago. 24k. Once you get the system purged, the cooler will work in any position, It is just easier to purge the cooler if it is installed I was told that because the OAT was above 100 degrees in SoCal, the coils were overheating and failing. In case of doubt the regulations of the national authorities or the respective sportive federations have to be observed. First the easy one. If the voltage from the regulator cannot be absorbed by the battery or go to ground through the capacitor, it can Until oil temperature reaches 120° F. 1265. 3 (Fuel Injection Control) of the Rotax 912iS OM the second paragraph states: “Key input variables are throttle valve position, engine speed signal, intake air temperature, ambient air pressure, manifold pressure, and exhaust temperature”. Introduction of new double ignition coils and new wiring harnesses for ROTAX® Engine Type 912 i (Series), 915 i (Series) and 916 i (Series) Maintenance task add-on for engine suspension frame assembly SI Biggest installation problem is getting oil into the cooler if the fittings are on the bottom. g. I am having problems with a recently built Skyranger Nynja with a 912iS engine. Jun 11, 2020 · I've owned one plane with a 912iS and one with a 912ULS. While the information is not published, it's possible that certain conditions must be met before the Rotax magic boxes will engage the starter relay. Yes, I did do the mount modification per the Kitfox SB. Free Videos. The grounding system is well explained starting on Page 6 of this chapter and there are some typical wiring diagrams that help clarify how the system works. When the autopilot was engaged the plane would bank and dive. For many years the fuel pump issue was a hot topic in class. 0 January 01 2019 Nov 17, 2017 · Richard: As one who had my own lane A/B issues (when the 912iS was very new; problems have since been remedied), I urge you to communicate this with Aerotrek, assuming you are in the USA. You name it I tried it. Hard to start mostly. Failure to do so may result in personal injuries including death. That happened a lot to the Tecnam (certified) in the club. In flight temps are perfectly fine; about 100-110F over ambient at high cruise. Rotax-Owner. Thanks. Re: 915is Low oil pressure troubleshooting. manual. For some time now, we have had a desire to rewrite the curriculum surrounding the fuel pumps used on the Rotax 912. Re: Oil pressure sensor. 15721. by RotaxOwner Admin» 4 years ago. we get 220°F coolant and 200°F oil 13 years ago. These readings should be taken by EGT probes located 2. The Problem. Consulted with several Rotax 'experts' about starting problem, followed almost all suggestions. Information on maintenance and spare parts planning for ROTAX® Aircraft Engines. In section 7. Garrett Wysocki. ULS is cheaper to purchase but ends up costing more over the life of the engine. There had been a significant number of problems related to the mechanical fuel pumps. : 899196. You should also be measuring blade track and testing the friction torque for the gearbox. 63k. pdf912iS Sport SpecificationsPopular. Battery Not Charging. Overhauled carbs, new plugs, idle adjustment, bigger battery, battery charging. Re: Ignition Cylinder 3/4 problem. Someone wrote here that cleaning rail and Aug 26, 2023 · Seeking advice on this problem please. Paul Hamilton. 5gph for the ULS, on a cross-country that can easily mean an extra fuel stop. There have been many problems with the fuel map in the 912iS engine as it runs in full lean mode even during taxi, so it runs hot on the ground and will overheat even during any short high power ground runs. Be sure the oil pressure does not go below minimum at idle. Gets worse the longer it runs. In the photo you posted, the GEA-24 shows as connected over the Garmin CAN, so that would point me towards the Rotax CAN as the problem. Looking just at the O-200, the Rotax 912 and the O-200 have nearly identical statistics. Now I keep a spare. Over 1,200 hours now. I've never opened the engine up for anything other than oil changes, plugs, etc. 1-Replace the tach wire with twisted shielded pair and ground the shield away from other grounds. The Engine Timer records the time that the engine is running. The problem was outside their product. troubleshooting and overheating issues Rotax failed to address. Engine test run is necessary: Engine test run Step Procedure Check the oil level and top up with oil as required. The first is the Rotax bus, which connects the ECU to the GEA-24 as per the diagram you posted. 17373. If your EMS setup is incorrect; ex. To fix the issue, all the coils were wrapped with insulation material and the problem went away. : MML-912 | PART NO. ROTAX's 915iS-powered Aquila A211 test aircraft, the Scheibe SF-25C Falke (first-ever 912-equipped aircraft!) and ROTAX factory in Gunskirchen In any case, it would be wise to confirm that your fuel pressure is nominal before the start attempt. Very exciting hearing the 912iS come to life and it ran flawlessly. M27500-20TG2T14 available at any avionics shop. This increase is not particularly unusual. The drawbacks of the 912 ULS as I understand it are: Page 77 The 912 iSc/iS Sport is equipped with 4 double ignition coils. Depends on the installation. ROTALK NEWS Episode 4. The reliability of the 912 iS design is of concern at this early stage in its life with little history. Check the battery and make sure it is OK and check the resistance across the capacitor. Many problems come up under this general topic, and to deal with each in detail would be an article in itself. I see the low end on the dipstick every 2-3 trips and adding oil to get the level up. Download (pdf, 1. Rotax SL912-010 speaks to the known vibration issues on the 912. The engine manual says oil consumption can be of the 0. The idle screw is put in with LOCTITE and if you break if there is NO REPLACEMENT from Rotax. DON'T MISS CRITICAL Poor Starting from cold - Starts, Runs for 1 - 2 secs then Stops - takes 4-5 goes before it runs OK. Engine has been thoroughly checked by competent mechanics and the ignition system is the main suspect. Aug 6, 2011 · If you exceed the specs, expect to pay the price, one way or the other, eventually. by Umiarin 912iS Technical Questions. We have been running a 912iS Engine for 4 years, this is our 2nd Engine the first one did 1240 hrs before we changed it due to high maintenance and the 2nd Engine has done 500 hrs. Before the 915iS was ready for market, the Austrian manufacturer said to expect 135 horsepower. The Dynon panel showed an ”X” on the Fuel Flow, Oil Pressure, and Oil Temp display. Double that for EGT probes. But the Wiring Harness and Fuse Box Info would sure help in troubleshooting Problems. Frustratingly we have been chasing this problem for a while. Now, during our phase 1 test flights we are having overheating problems, especially on the ground. There is enough info available on the X1 and X2 connectors that Pulling all the fuses and tracing the pins with an Ohm-Meter should not be overly difficult to reverse engineer. 85k. Rotax Wizard. Jan 18, 2014 · Rotax are claiming 20 - 30% less fuel burn. Below is information from the Rotax installation and Heavy Maintenance Manual (Links at the bottom): Pitting in the gearbox can lead to high-frequency vibrations, causing various issues as the vibration is transferred through the engine to connected parts. 6 to 13. Re: 912iS Coil Reliability. ASB-915 i A-006, ASB-912 i-010 Inspection and/or replacement of fuel pump assy. Many of the problems were created by the operators, but a few were obviously Report. The ignition system is almost entirely wear-free, as the ECU generates and processes the ignition signal electronically. The problem arises only after 3 to 4 days of inactivity. I think the manifold sensor for LANE B failed and therefore the LANE B computer stopped its four injectors, leaving LANE A to double the flow, and therefore the fuel flow increased from 13 liters/hour This video describes how to view and access performance and diagnostic information from the Rotax 912iS Sport engine when installed on a Van's RV-12iS aircra Terminal #1 is the Backup Power connection. Rotax Service Letter SL-912-016 explains the concern in depth. However most of these posts seem to be from the middle 2010s soon after the engine was released. before you begin you may want to unscrew each spark plug cap and trim back each plug wire 3/8" and when you go to screw it back on place a dab of dielectric grease on the tip of each wire. by Garrett Wysocki» 4 years ago. ROTALK NEWS Episode 4 ROTAX's 915iS-powered Aquila A211 test aircraft, the Scheibe SF-25C Falke (first-ever 912-equipped aircraft!) and ROTAX factory in Gunskirchen, Austria. FOR ROTAX ENGINE TYPE 912 SERIES. Jun 24, 2015 · 6/24/2015. Actually the cover has a clear portion aligned over the row of fuses that allows for pretty easy inspection of whether a blown fuse indicator LED is lit or one of the fuses is displaced. 5. Published on 26 April 2021 Modified on 26 April 2021 By RotaxOwner AdminIn Engine Specifications. However on energising the starter and subsequent engine run both lane lights start flashing. Fuel burn for 912iS is 4 gph vs. 2-Move the tach ground away from other grounds. Airframe and engine 177 hrs. Mar 24, 2023 · Gearbox problems are usually due to running on leaded fuel or using wrong oil. 58k14k. Re: 912UL Running Rough. I have a 912iS sport with an Advanced 5600 EFIS. Roger Lee. Rotax 912is. 144771. It doesn't sound like an ignition module. The Return Oil line contains more air than oil, so a cooler there would be very inefficient. 0 Dislikes1 Like. 45k. More specifically, it was in a spade connector on a relay within the outside wiring. Apr 11, 2021 · It does not help that the 'window' is opaque, and that you cannot inspect the innards of the fuse box without removing the lid. Notices Gurgling Noise in Fuel System, near Fuel Pressure Regulator. When I installed mine, I oriented the cooler with fittings up and filled the cooler before hooking up the oil lines. I have a intermittent ignition failure on a 3 year old Rotax 912 ULS (approx 1200 hrs). Have a 912is powered Bristell with 390 hours on the engine and have been experiencing a Lane A dropout on final at idle speed. The basic dongle allows you to download the logfiles, the higher ROTALK is a web based support system which provides a common access point for locating key Information - Education - Support for their Rotax Aircraft Engines such as the Rotax 912, Rotax 914, Rotax 912 iS, Rotax 915 iS, Rotax 503 and Rotax 582. J. With the other engines, like the 912ULS and the 912iS, we have other issues. However, our “Continental” category suffered by lumping a number of different models together. Most of the CT's in the US use auto fuel with ethanol. I am just looking for any advice that anyone may have regarding a recent engine failure I had with my Rotax 912ULS. 04 liters/hour. engine management system. my problem is 400 rpm loss when I shut off lane b. In various forums 912iS Sport users have described premature gearbox wear and failure sometimes at rather low hours. Mar 3, 2013 · Regardless, we finally found a solution on the 912iS warm-start problem that developed about mid-way through my big cross-country trip (you may read above for details). Below 12. REF NO. 912is injectors cleaning. It turns out that this problem exists on "some" but not all 912iS engine installations. 8v, the battery is Floating. The iS dongle(s) may be ordered from your ROTAX dealer or distributor. 2230. Weights and performance for the Rotax 912 iS Sport 100 hp. Jeff B. Re: 912iS EGT Probe Type. ar my wu pq di yp ii fs re oq