ROTAX 618 MAG CHECK

by yanis karvas in 2 Stroke Technical Questions 11 years ago

Hello everyone, Nick? Bill? hope you all are well,
Is it normal on the run-up not to have any drop on RPM on MAG CHECK on this engine??
Any input will be appreciated,
Regards
Yanis

Re: ROTAX 618 MAG CHECK

by itemprop='name' » 11 years ago

0 0 0

My 618 has more drop on one coil then the other I find you least get 150 rpm drop but the taco,s are pretty poor quality so will be hard to get a got reading . Cheers dan

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Re: ROTAX 618 MAG CHECK

by Roger Lee » 11 years ago

Roger Lee

131 5.38k 5.44k

What rpm are you doing the mag check.? If you see little to no drop then you may be too low an rpm. Raise the rpm up higher then do a check. If you are using an analog gauge verses digital it may be harder to see low mag drops especially with low rpm. Last, it may just be your gauge.

Roger Lee
LSRM-A & Rotax Instructor & Rotax IRC
Tucson, AZ Ryan Airfield (KRYN)
520-349-7056 Cell

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Re: ROTAX 618 MAG CHECK

by yanis karvas » 11 years ago

yanis karvas

12 39 0

Hello Lee and the rest as well, thank you for the input, I usualy do the mag check at 3000rpm If I pay a lot of attention I may notice by ear a minor drop but I don't rely on the Tachometer as there is no indication, I was expecting at peast 50 rpm drom as usuall take place in GA aircrafts,
Regardsto all
Yanis

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