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Operating Manual 

UL

POWER

 

UL260i  UL260i

F

  UL260i

S

  UL260i

SA

 

MO 260A01 Revision No: 6 

Date:  

2014-09-15

 

Page: 1 of 22 

Preface 

Thank you for deciding to use a ULPower engine. 

Before  starting  the  engine,  carefully  read  this  manual.  The  Manual  will  provide  you  with  basic 
information on the safe operation of the engine. 

If any passages of the manual are not completely understood or in case of questions, please contact 
a ULPower authorised representative. 

We  hope  you  will  have  much  pleasure  and  satisfaction  flying  your  aircraft  powered  by  a  ULPower 
engine. 

Remarks 

The images in this manual show the typical construction. They may not represent in full detail or 
the exact shape of the parts which have the same or similar function. 

Specifications  are  given  in  the  SI  metric  system  with  the  USA  equivalent  in  parenthesis.  Where 
precise accuracy is not required, some conversions are rounded off for easier use. 

In addition to this Operating Manual, please refer to the following: 

 

Installation Manual 

 

Maintenance Manual 

Please make sure you have the latest version available of the applicable manual. 

Modifications 

The  information  and  components/system  descriptions  contained  in  this  Operating  Manual  are 
correct  at  the  time  of  publication.  ULPower,  however,  maintains  a  policy  of  continuous 
improvement  of  its  products  without  imposing  upon  itself  any  obligation  to  install  them  on  its 
products previously manufactured. 

ULPower reserves the right at any time to discontinue or change specifications, designs, features, 
models or equipment without incurring obligation. 

Engine serial number 

On  all  enquiries  or  spare  parts  orders,  always  indicate  the  engine  serial  number,  as  the 
manufacturer makes modifications to the engine for further development. 

Repeating symbols 

This manual uses the following symbols to emphasize particular information. These indications are 
important and must be respected. 

 WARNING

 

:

 

Identifies  an  instruction  which,  if  not  followed,  may  cause  serious  injury 
including the possibility of death. 

 

Attention

 

:  Denotes an instruction which, if not followed, may  severely damage the engine 

or other components. 

Note

 

:  Indicates supplementary information which may be needed to fully complete or 

understand an instruction. 

 

Summary of Contents for UL260i

Page 1: ...UL26Oi UL26OiF UL26OiS UL26OiSA Operating Manual MO 260A01 Revision No 6 Date 2014 09 15...

Page 2: ......

Page 3: ...Please make sure you have the latest version available of the applicable manual Modifications The information and components system descriptions contained in this Operating Manual are correct at the...

Page 4: ...heel as this will inevitably cause engine damage and present a hazard of explosion Propeller flywheel and its attachment with a moment of inertia in excess of the specified value must not be used and...

Page 5: ...loose equipment or tools are properly secured before starting the engine When in storage protect the engine fuel lubrication induction and exhaust system from contamination and exposure Never operate...

Page 6: ...gement system 10 Cooling system 10 General operating limits 11 Speed 11 Running in 11 Performance ISA 11 Acceleration 11 Oil pressure 11 Oil level 11 Oil temperature 11 Cylinder head temperature 11 Ma...

Page 7: ...al running on ignition check 20 Sudden engine stop 20 Nearing maximum engine speed 20 Exceeding of max admissible cylinder head temperature 20 Exceeding of max admissible oil temperature 21 Oil pressu...

Page 8: ...cooled cylinders and cylinder heads Integrated AC generator external rectifier regulator Electric starter Electric fuel pump and pressure regulator Specifications UL260i UL260iF UL260iS UL260iSA Disp...

Page 9: ...and spark plugs Intake manifold throttle and air filter Electric starter motor Integrated AC generator Propeller flange In addition to the basic standard engine assembly following external items are...

Page 10: ...Operating Manual ULPOWER UL260i UL260iF UL260iS UL260iSA MO 260A01 Revision No 6 Date 2014 09 15 Page 8 of 22 Engine views Dimension for standard prop flange l 55 Different prop flange are available...

Page 11: ...iting the pressure at cold starts or in the event of blocked oil lines Note A pressure sensor should be installed to measure the pressure in the oil gallery while a temperature sensor should be instal...

Page 12: ...old starts Note Since the engine is managed electronically and a current is needed to generate the sparks and operate the fuel pump the engine cannot run without a working electrical system The engine...

Page 13: ...97 hp 3300 Rpm Maximum continuous power 87 hp 2800 Rpm b UL 260is Maximum for 5 minutes 107 hp 3300 Rpm Maximum continuous power 95 hp 2800 Rpm Acceleration Limit of engine operation at zero gravity...

Page 14: ...nk angle Value to which the wet sump lubrication system warrants lubrication in positive g flight situation Max 30 Electrical power Min 12 VDC Be sure the battery is completely loaded before take off...

Page 15: ...80 200 220 240 260 280 300 Torque Nm Power 260IS HP Torque 260IS Nm 30 40 50 60 70 80 90 100 110 1500 1700 1900 2100 2300 2500 2700 2900 3100 3300 RPM Power HP 150 160 170 180 190 200 210 220 230 240...

Page 16: ...The curves show the performance at 3300 2800 2500 and 2200 rpm at full throttle UL260i 0 10 20 30 40 50 60 70 80 90 100 110 0 2 000 4 000 6 000 8 000 10 000 12 000 14 000 16 000 18 000 20 000 Density...

Page 17: ...ge 15 of 22 At deviation of temperature conditions from standard atmosphere conditions the engine performance to be expected can be calculated from the performance indicated multiplied by standard tem...

Page 18: ...n system will increase Lubricants High quality full synthetic or semi synthetic multi grade oil should be used to guarantee the quality of lubrication on all moving and rotating parts of the engine No...

Page 19: ...n Difference in oil quantity between min and max level is 0 8 litres Inspect exhaust system for damage leakage and general condition WARNING Do not release the engine into service before rectification...

Page 20: ...s operation normally on both ignition coils separately RPM difference between running with coil 1 with coil 2 or both may not exceed 5 of nominal RPM Take off Climbing with the engine at maximum take...

Page 21: ...ce periods we recommend the following to protect the engine against corrosion Let engine run until warm then change oil Remove the air inlet filter and insert approx 30 cm3 1 Fl oz of corrosion inhibi...

Page 22: ...noise indicated internal damage to the engine try to restart the engine otherwise conduct power off emergency landing Before restarting the engine check the following sufficient fuel level open fuel t...

Page 23: ...If oil cooler and oil lines are not blocked oil filter should be inspected and changed If problem remains the engine should be sent for inspection overhaul to a ULPower authorised service centre Excee...

Page 24: ...not a sensor malfunction send the engine to a ULPower authorised service centre for inspection overhaul Knocking Reduce engine power setting to the minimum necessary and keep engine temperatures well...

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