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912 ULS parts
 
 

Do you know your ROTAX 912/914

Answers at the bottom of the page

1- The 912 series consists of 912 A, 912 F, 912 S, 912 UL, 912 ULS and 912 ULSFR Which ones are certified engines?

a) 912 ULS et 912 ULSFR

b) 912UL

c) 912 A , 912 F and 912 S


2- What does the letter S mean on the 912 S?

a) Super

b) Advanced System

c) Synchronized System


3- In the Maintenance Manual (Line) available on line, Rotax asked that an inspection be carried out every 100 hrs. How do we calculate those hours?

a) 100 hrs of flight by the time the aircraft left the ground and touched down

b) 100 hrs by the time the engine started and it stopped

c) 100 hrs of flight time except if the aircraft does less than 25 hrs in the year


4- What is the approximate dry weight of our 912 UL engine before installation?

a) 122lbs ( 55kg)

b) 152 lbs (69 kg)

c) 187 lbs (85 kg)


5- As per BRP-Rotax recommendation who can intervene on a Rotax 912 series engine?

a) Only a Transport Canada inspector

b) A friend who has an engineering degree

c) Only people who have successfully completed the approved training from BRP pertaining to the scope of work they are performing


6- Can we get a 912 engine to run without a propeller?

a) Yes, but no more than 5 minutes

b) Never

c) Yes, if there is nobody around the engine


7- On the 912 ULS (100 HP), can we mix 100 LL with Avgas?

a) Yes

b) Only in a ratio of 50 % or 1 : 2

c) Yes, if the octane rating is higher than 152


8- Why is there a gearbox on a 912 UL?

a) So we can install different types of propeller

b) So we can get the propeller to turn faster than the engine

c) So we can get the propeller to turn at a lower speed then the engine


9- What has to be done if we want to use a Rotax 912 as a pusher engine?

a) Install a pusher type propeller

b) Modify the CDI system so it will turn in the other direction

c) Reverse the polarity of the battery


10- Is it mandatory to install an oil cooler on a Rotax 912?

a) Yes, otherwise the warranty will be void

b) No, the decision rests with the aircraft builder

c) Yes, but the surfaces of the radiator must be at least 100 square inches (6.45 cm)



Answers
1=c 2=a 3=b 4=a 5=c 6=b 7=a 8=c 9=a 10= b