Today's Message Index:
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1. 05:44 PM - Can the 912ULS be hand started? (Mike M)
2. 05:53 PM - Re: Can the 912ULS be hand started? (Roger Lee)
3. 06:24 PM - Re: Can the 912ULS be hand started? (Sacha)
4. 06:43 PM - Re: Can the 912ULS be hand started? (John Hauck)
Message 1
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| Subject: | Can the 912ULS be hand started? |
I recently landed at a remote dry lake in my RV-4 with a Lycoming engine. When
I attempted to start, my starter would not engage. Luckily I was able to hand
prop the engine to get it started. If a similar situation occurred with my
ROTAX 912 ULS powered RANS, would I be able to hand prop to get the engine started?
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Mike Marker
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=426401#426401
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| Subject: | Re: Can the 912ULS be hand started? |
It isn't supposed to be done and can get you hurt. I did see a video once where
someone pulled it off, but that was a rare exception. This is not a Lycoming
or Conti. with a low compression ratio and loose tolerances with mags.
We have almost 11:1 compression and a CDI ignition which requires the engine to
rotate at a certain speed to cause the trigger coils to fire enough energy to
cause a spark and then we hope that compression doesn't kickback and break our
hand.
--------
Roger Lee
Tucson, Az.
Light Sport Repairman - Maintenance Rated
Rotax Repair Center - Heavy Maint. Rated
Home 520-574-1080 TRY HOME FIRST
Cell 520-349-7056
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=426402#426402
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| Subject: | Re: Can the 912ULS be hand started? |
Hi I Mike
Never done it myself but there is a guy on YouTube who has hand propped a 91
2....
http://www.youtube.com/watch?v=-JUBrHYsh4E
Sacha
> On 9 Jul 2014, at 18:43, "Mike M" <mjwings@msn.com> wrote:
>
>
> I recently landed at a remote dry lake in my RV-4 with a Lycoming engine.
When I attempted to start, my starter would not engage. Luckily I was able
to hand prop the engine to get it started. If a similar situation occurred
with my ROTAX 912 ULS powered RANS, would I be able to hand prop to get the
engine started?
>
> --------
> Mike Marker
>
>
>
>
> Read this topic online here:
>
> http://forums.matronics.com/viewtopic.php?p=426401#426401
>
>
>
>
>
>
>
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Message 4
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| Subject: | Can the 912ULS be hand started? |
Mike M/Folks:
Prior to my first flight to Alaska in 1994, I hand propped
my 912 80 HP. There wasn't a 912UL designation in 1994. I
hand propped the 912 once to insure I could if the need
arose when I was on the ground in a remote location.
Biggest problem hand propping was the Warp Drive Prop with
very thin, sharp blade edges. A major consideration hand
propping the 912 when alone in a remote location was the
possibility of injury. Was the gamble of injury worth
getting the 912 started, or wait until someone came along
with jumper cables.
My current engine, a 912ULS, has never been hand propped and
I do not intend to attempt it. The increased compression
ratio would make it difficult to hand prop, especially
equipped with the Warp Drive. Not worth the chance of
getting injured. If it was a life or death situation, I
might give it a try. Gloves would help to pull the prop
through.
john h
Kolb MKIII
White Sulphur Springs, Montana
**************************************
I recently landed at a remote dry lake in my RV-4 with a
Lycoming engine. When I attempted to start, my starter
would not engage. Luckily I was able to hand prop the
engine to get it started. If a similar situation occurred
with my ROTAX 912 ULS powered RANS, would I be able to hand
prop to get the engine started?
--------
Mike Marker
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