Table of contents This chapter of the Maintenance Manual contains general and safety information concerning the operation of the aircraft engine. ���6���R���]axp������B�`�N}�L��^���B��a��ϐ��?~8�"�] ybvQ%_��P�Q�3��W^ں;'! 0000002099 00000 n 0000001596 00000 n 0000001990 00000 n This compares favorable to typical Lycoming engines, although Continental’s large displacement six-cylinder engines can approach 0.39 BSFC when running lean of peak. 0000006815 00000 n Additionally, when choosing this engine option, MAP and fuel pressure gauge are standard equipment. 0000003053 00000 n Octane rating. 0000007630 00000 n NOTES: The ROTAX 912 Series includes all engines such as the 912 A, 912 F, 912 S, 912 UL, 912 ULS and 912 ULSFR. 0000002949 00000 n Note: it is not possible to upgrade to this kit from a Rotax 912 ULS 100hp, but only from a 912 UL 80hp purchasing an additional firewall forward kit. I'm interested in expert opinions with respect to the Rotax 912. Rotax-Owner.com 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. 0000006794 00000 n Merlinspop Posts: 998 Joined: Mon Apr 08, 2013 7:48 pm 0000003844 00000 n 0000004520 00000 n Additionally, when choosing this engine option, MAP and fuel pressure gauge are standard equipment. This section describes this maintenance of engine type ROTAX 912 Series. 912 ULS 3 engine pdf manual download. 1.4) Subject Replacement of fuel pumps for ROTAX® engine type 912 (Series). 0000011910 00000 n Additionally, when choosing this engine option, MAP and fuel pressure gauge are standard equipment. u�����3l3�R��(�+� �̪c�r|���`�!�g��K� /oTa! 0000002266 00000 n Accordining to the chart the Typical Fuel Consumption for Rotax 912 UL engine is: 19.2 L/h at 75% power (5000RPM 27.2 MAP) while at 65% is 4800 RPM 15.8 L/h. 10% ethanol auto fuel in the Rotax 912UL, ULS and the 912is engine is just fine to use and far better than 100LL. ��ƐX%#��}H�塚�ڥG�˂�� �Xe��Cr���W�R�8�,x����4ר�����r��[email protected]#�B�܆g���p?����Q�ww����}?�λm�f���$��r��� endstream endobj 20 0 obj 577 endobj 21 0 obj << /Filter /FlateDecode /Length 20 0 R >> stream Fuel. h ) at 5,500 rpm (maximum continuous power) Power-to-weight ratio : 980 W/kg 0000001362 00000 n 0000006151 00000 n When I was at Aero Expo I was told that the carbs on the Rotax 912 DO NOT compensate for altitude. {q|qx"�x��ޘ�6h��Sѻo�����]�) /P -60 /V 1 /Length 40 >> endobj 9 0 obj << /S /GoTo /D [ 10 0 R /Fit ] >> endobj 36 0 obj << /S 36 /L 103 /Filter /FlateDecode /Length 37 0 R >> stream Like. On the 912A, F and UL the standard reduction ratio is 2.27:1 with 2.43:1 optional. Best fuel to use for your Airplane Light Sport Aircraft ROTAX engine is unleaded auto gas, premium (91 octane) for 100 HP 912S and 115 HP 914 turbo, but regular (87 octane) is OK for 81 HP 912. The electronic fuel injected Rotax 912iS is a recent development. 0000007609 00000 n 0000001000 00000 n Also for: 912 ul, 912 f, 912 s, 912 a. Re: Rotax 912 uls fuel pump gauge? The Rotax 912 A/F/UL engines require a minimum octane rating of 87 AKI, commonly referred to as “regular” while the Rotax 912 S/ULS/ULSFR and 914 F/UL require a minimum of 91 AKI (“premium”). the turbine (original Rotax), a KN air filter for the turbine, a modification to the carburators. When Rotax surprised us last year with the rollout of its new 912 iS engine, we were skeptical of a claimed 20 percent improvement in fuel economy against the old standby 912 ULS. I run a 912uls without an electric backup pump and I do have a fuel pressure gauge. They tried to keep all other factors constant: The same airframe, similar speed, the same atmospheric conditions and temperature, the same fuel volume, and even the same pilot. 0000006130 00000 n Note: it is not possible to upgrade to this kit from a Rotax 912 ULS 100hp, but only from a 912 UL 80hp purchasing an additional firewall forward kit. 8.3) Fuel consumption Fuel consumption in l/h (USgal/h 912 UL / A / F 912 ULS / S at take-off performance 24,0 (6,3) 27,0 (7,1) at max. 6 0 obj << /Linearized 1 /O 10 /H [ 1415 201 ] /L 14329 /E 12025 /N 1 /T 14092 >> endobj xref 6 32 0000000016 00000 n About us. Note: it is not possible to upgrade to this kit from a Rotax 912 ULS 100hp, but only from a 912 UL 80hp purchasing an additional firewall forward kit. In comparison to the 80 hp version of the Rotax 912 series the 100 hp product line offers more power while keeping the weight. Lubrication is dry sump, and fuelling is via dual CV carburetors or fully redundant electronic fuel injection. Today (2019), the experience of around 22 aircraft manufacturers using the Rotax engine is indicating improvements in fuel consumption of up to 36 percent (compared with the previous 912 ULS model). New Flyers Association 2,556 views. Auto gas with up to 10% alcohol tested and approved by ROTAX. prevent possible problems with the fuel system, the fuel pumps have to be replaced. 0000001415 00000 n xĒ�֣�p|2?xE�� k�@–7�#����[email protected] ��l/��yd���FTl���C��G�tL��I�!k(Z#i���*�.N��|�[�TFƹ}qe�LV�[8zv&)��5�2��@>83�ԔԊ�\���K^�,����k�z2�`��^�>�`S���Iyȇ���^vzES'�c�H�w,�/�����W>d_$:����WO!I%�g����$H�qb��/�b��cm{QU��_���#�����^���I�cA�ڿ�"���hȮ�f-bá�a�#�cJ^{�O����s���r�|�� m�X��7˃��#@���� g٭Y�SAk����U������R�8��E5��[email protected]���{9��"��Tj��%b��������鹋:ɺ ������橇��}�9��0湪 X]&�gs���dB���)��ərx�����w�"�Q}z�_!�u�]�x)fw+�c�$Ä�f�n�y����=��%��h�Ig�W�� rotax 912 specific fuel consumption, the turbine (original Rotax), a KN air filter for the turbine, a modification to the carburators. 0000003074 00000 n 0000002138 00000 n rotax 912 specific fuel consumption, the turbine (original Rotax), a KN air filter for the turbine, a modification to the carburators. 1.5) Compliance - At the next scheduled maintenance event. 0000005349 00000 n View and Download Rotax 912 ULS 3 operator's manual online. Also exists in certified versions: Rotax 912 A, Rotax 912 F. 4 - November 26, 2020 continuous performance 22,6 (5,6) 25,0 (6,6) at 75 % continuous performance 16,2 (4,3) 18,5 (4,9) specific consumption at max. Loading ... Rotax 912 ULS soft start demo on Flight Design CTLS - Duration: 3:45. Best fuel to use for your Airplane Light Sport Aircraft ROTAX engine is unleaded auto gas, premium (91 octane) for 100 HP 912S and 115 HP 914 turbo, but regular (87 octane) is OK for 81 HP 912. Using estimated performance data from the Tecnam P92 POH, we calculate a brake specific fuel consumption for the 912 ULS of about 0.44 pounds per horsepower/hour. 0000001822 00000 n - A replacement of the fuel pumps according to the instructions in section 3 has to be carried out May 01 2014 at the latest. 0000006741 00000 n %PDF-1.4 %���� To gain real-time experience, Rotax replaced a 912 ULS with the new 912 iS and flew it for 260 hours. By MichaelP - Mon Nov 01, 2010 4:39 pm. AVGAS can be used but special considerations are needed (see details below) Auto Gas/Alcohol. Page 67 Benzinverbrauch fuel consumption 5800 2500 3000 3500 4000 4500 5000 5500 Drehzahl/Engine speed [1/min / rpm] Figure .5: Performance graphs Motor 912 S/ULS Effectivity: 912 Serie BRP-Rotax Page 5-5 Edition 4 / Rev. Auto gas with up to 10% alcohol tested and approved by ROTAX. Rotax 912 Fuel Consumption #908892. 0000002245 00000 n 912 Series. ;�W�������,� l� /��T2&�Zg�m�����G��ƕ.�1~gY��Ut��Q��JFI��X; �D{$�v$��E�1��� �+�]��{&p��H��҄�A��V��/�Y,7��x��E6H�ƹFO�͢3�r�{����ԛ ?���Q}�`Yr�,�b~C���K��禮n����� A further derivative, the 135 hp (101 kW) Rotax 915 iS was announced in July 2015. In a four-cylinder, high-RPM geared engine, that sounded like an overpromise. Specific consumption at max continuous performance = 285g/kWh Fuel flow at take-off performance = 27 lt/h Fuel flow at max continuous performance = 25 lt/h Fuel flow at 75% continuous performance = 18.5 lt/h In the performance data section of the manual I … 0000001616 00000 n This engine series offers a time between overhauls of 2,000 hrs and the best power to weight ratio in its class ‒ no surprise that this engine is … To gain real-time experience, Rotax replaced a 912 ULS with the new 912 iS and flew it for 260 hours. endstream endobj 37 0 obj 90 endobj 10 0 obj << /Type /Page /Parent 4 0 R /Resources 11 0 R /Contents [ 16 0 R 19 0 R 21 0 R 23 0 R 25 0 R 27 0 R 30 0 R 32 0 R ] /MediaBox [ 0 0 595 842 ] /CropBox [ 0 0 595 842 ] /Rotate 0 >> endobj 11 0 obj << /ProcSet [ /PDF /Text ] /Font << /F1 14 0 R /F2 12 0 R /F3 17 0 R >> /ExtGState << /GS1 35 0 R >> /ColorSpace << /Cs6 13 0 R /Cs8 28 0 R >> >> endobj 12 0 obj << /Type /Font /Subtype /Type1 /Encoding /WinAnsiEncoding /BaseFont /Helvetica-Bold >> endobj 13 0 obj [ /ICCBased 33 0 R ] endobj 14 0 obj << /Type /Font /Subtype /Type1 /Encoding /WinAnsiEncoding /BaseFont /Times-Italic >> endobj 15 0 obj 605 endobj 16 0 obj << /Filter /FlateDecode /Length 15 0 R >> stream AVGAS can be used but special considerations are needed (see details below) Auto Gas/Alcohol. 0000001212 00000 n ROTAX 912 ULS - DCDI 4-Cylinder, 4-Stroke liquid/air cooled engine with opposed cylinders, dry sump forced lubrication with separate 3 liter (.8 gal US) oil tank, automatic adjustment by hydraulic valve tappet, 2 CD carburetors, mechanical fuel pump, electronic dual … High pressure lines and fittings. Roger Lee Tucson, Az. Fly 120hp! Fuel. Two Pierburg fuel pumps. The Rotax 912 A/F/UL engines require a minimum octane rating of 87 AKI, commonly referred to as “regular” while the Rotax 912 S/ULS/ULSFR and 914 F/UL require a minimum of 91 AKI (“premium”). d01115 MOTORLEISTUNG / ENGINE PERFORMANCE Motordrehzahl / engine speed [rpm] 30 35 40 45 50 55 60 65 70 75 3000 3500 4000 4500 5000 5500 6000 40 50 60 70 80 90 100 0000008370 00000 n This engine series offers a time between overhauls of 2.000 hrs and the best power to weight ratio in its class - no surprise that this engine is … d01115 MOTORLEISTUNG / ENGINE PERFORMANCE Motordrehzahl / engine speed [rpm] 30 35 40 45 50 55 60 65 70 75 3000 3500 4000 4500 5000 5500 6000 40 50 60 70 80 90 100 0000004541 00000 n Some may have noticed that the Rotax manuals mention ratings of 90 and 95 respectively. (520) 349-7056 (Cell) Top. LSRM-A, Rotax Instructor & Rotax IRC (520) 574-1080 (Home) Try Home First. This is our standard conversion of the 912 ULS, ... Max fuel consumption 35 l/h at 5800rpm – 120hp (as 914) TBO ... Rotax oil pumps (1 standard + 1 for turbine) Fuel Pressure regulator. FADEC control). Fuel consumption at 75% continuous power: 4.9 gph Engine TBO (Time Between Overhaul): 2,000 hours 4-stroke, 4 cylinder horizontally opposed, dual spark ignition engine, one … This also leads to a drastic reduction in emissions. ����vXXS۩�=�8q^�g �e|&�e=�X��Q�{D���H�8LB�s����7�v��!/�E�=�qAd?n��>q>��g��=>BZ'�R��!"�">����HƐ���{l���� lk�ꋎ�o��`E�nO>w��M�����k,E_"Q�΀p�D�n����7K麓&0c��0�!1y��OE���|̪��m�x�#���Ke���B�Q~�2C����a%5�0W΢[/�����K��i��}̣݀����{X�����P)����w�������>S��Y�#��[a%�~B׌��۶���S���毚��,ϱ`;�Ti~ L��o��3H���P}����18/�e� endstream endobj 17 0 obj << /Type /Font /Subtype /Type1 /Encoding /WinAnsiEncoding /BaseFont /Helvetica >> endobj 18 0 obj 692 endobj 19 0 obj << /Filter /FlateDecode /Length 18 0 R >> stream 0000005328 00000 n 0000011048 00000 n Description. Find out the advantages and specs of our 120hp Rotax 912 turbo conversion! A 70 percent reduction in fuel consumption! Rotax 912, Rotax 912 ULS, Rotax 914 aircraft engine fuel and torque specifications and data. ALTO ROTAX 912 ULS fuel pressure gauge test Pavel Simek. The Rotax 914 is a turbocharged version of the Rotax 912 engine, and the new Rotax 912iS engine is the latest engine from Rotax, with fuel injection and an engine management system (ie. The new 912 UL S is a 100 HP* version of the certified 81 HP 912 engine, with the same external dimensions as the standard Rotax 912. Benzinverbrauch fuel consumption 5800 2500 3000 3500 4000 4500 5000 5500 Drehzahl/Engine speed [1/min / rpm] 02002 fig. Some may have noticed that the Rotax manuals mention ratings of 90 and 95 respectively. trailer << /Size 38 /Info 3 0 R /Encrypt 8 0 R /Root 7 0 R /Prev 14083 /ID[] >> startxref 0 %%EOF 7 0 obj << /Type /Catalog /Pages 4 0 R /Metadata 5 0 R /PageLabels 2 0 R /PageLayout /SinglePage /OpenAction 9 0 R /ViewerPreferences << /HideToolbar true /HideWindowUI true /FitWindow true >> >> endobj 8 0 obj << /Filter /Standard /R 2 /O (?���m4��ۛg!�% �;���V�[email protected]�#) /U ( �! They tried to keep all other factors constant: The same airframe, similar speed, the same atmospheric conditions and temperature, the same fuel volume, and even the same pilot. Rotax 912 UL DCDI 81HP 4-stroke engine specially developed for recreational aircraft. 0000003865 00000 n Rotax 912 iS / iSC Sport 100 hp Based on the proven concept of the Rotax 912 S/ULS engine the new Rotax 912 iS Sport engine offers all well known advantages of the Rotax 4-stroke engine series complemented by additional features, for example, the engine management system. 13 page 10 - 7 Effectivity: 912 ULS / S BRP-Rotax Jan. 01/2007 OM Edition 1 / … Octane rating. Re: Cont -200 and Rotax 912 S/ULS fuel efficiency comparison My hamster told me that a 9.5:1 O-200 will run fine with no detonation on 92 octane mogas with alcohol as long as the fuel lines are suitable for alcohol. ROTAX 912 ULS - DCDI 4-Cylinder, 4-Stroke liquid/air cooled engine with opposed cylinders, dry sump forced lubrication with separate 3 liter (.8 gal US) oil tank, automatic adjustment by hydraulic valve tappet, 2 CD carburetors, mechanical fuel pump, electronic dual … 4�qP�Q�uz����Z. 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