Today's Message Index:
----------------------
0. 12:15 AM - Reminder (Matt Dralle)
1. 04:25 AM - Re: Kitfox Remote Oil Pressure Kit (lucien)
2. 05:51 AM - Re: Restarting a Stored 912ul (Thom Riddle)
3. 08:05 AM - Re: Restarting a Stored 912ul (Ron Hoyt)
4. 12:19 PM - Re: Kitfox Remote Oil Pressure Kit (ruruny@aol.com)
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Dear Listers,
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Subject: | Re: Kitfox Remote Oil Pressure Kit |
JMO,
The only real drawbacks of the Rotax that I've found over the years:
- They're foreign-made. That's mostly what leads to the crazy parts prices, like
the $60/meter water hose and $270 oil pressure senders for the 912, etc. You
have that long dealer chain and foreign exchange rates, etc., that contribute
to that. Not like the Lyc/Cont. engines have cheap parts either; they pay hundreds
of bucks for little scraps of rubber too. But the Rotax is at least as bad
and sometimes worse when it comes to parts prices.
- The 912 is (or was) practically a disposable motor at overhaul time. The 2-strokes
were still usually worth it to rebuild when they finally did wear out (unless
you really had to replace everything inside it), but the 912's overhaul
cost was always so bad that it was best to just throw it away and get a new one.
I believe Rotax now has a short-block option for the 912 that (finally) makes zero-timing
a runout motor a cost-effective option (Roger and Thom may know more
about this?), putting it around 50 to 60% of new.
Otherwise, some of the Rotax motors you can't do better. The 503 is still the best
deal in aviation for 50hp to crank a prop on an airplane, nothing else comes
even close in terms of purchase price, gearbox options, field experience on
setup and use, etc. The 912ULS is probably about as good as you can do in the
100hp range at the current time. The new lightweight O-200 still weighs a ton
and a half, costs about the same and I don't think it's even available yet for
general purchase (?). The Jabiru is limited in terms of prop options because
of the direct drive/high-ish speed operation. So it's not a good alternative
in many light aircraft applications, such as lower speed planes like trikes, etc.
And now with the 2000 hour TBO and (I've heard?) the short-block option,
it's overall cost is a good deal for 100hp.
So it's kind of a mixed bag. The 582, for example, isn't really cost effective
anymore. Its purchase price with a gearbox is too high and there are competitors
now that are a better deal (the Jab 2200 and HKS) unless you really need the
power/weight. The 447 was one of the best motors Rotax ever made, but sheer
market forces have apparently killed it at the current time. The 912UL is a little
heavy for its power output and is only about $1500 cheaper than the 100hp.
For me, it's not a slam-dunk for Rotax, it'd depend on the type of plane I was
going to fly. But for LSA class planes it's probably still about the best choice
overall plus or minus....
LS
--------
LS
Titan II SS
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=318293#318293
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Subject: | Re: Restarting a Stored 912ul |
There was no mention that you removed the plugs and cleaned them after storage.
Every time I've stored an engine according to manufacturer's instructions, I
had to clean the plugs thoroughly to get it started. AND that is all I had to
do if it was running fine before storage.
--------
Thom Riddle
Buffalo, NY (9G0)
Kolb Slingshot SS-021
Jabiru 2200A #1574
Tennessee Prop 64x32
Everyone is entitled to his own opinion, but not his own facts.
Daniel Patrick Moynihan
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=318301#318301
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Subject: | Re: Restarting a Stored 912ul |
Richard
Thanks for the info. I thought there was something like that.
Tom
I pulled a plug and it was Carmel colored and dry. I will clean all the
plugs and see if it works.
Thanks
Ron
On 11/4/2010 3:15 PM, Richard Girard wrote:
> Ron, Yes there is. Get an inline ignition spark checker and plug it into a
> spark plug wire between the wire and the plug. The checker has a nice bright
> light and is easy to see in all but the brightest mid day sun. Harbor
> Freight has them (pn 36258) as does Sears, Snap On, Matco, etc. HF sells
> them for about $3. Snap on for about $20. The rest are some place in
> between.
>
> Rick Girard
>
> On Thu, Nov 4, 2010 at 12:38 PM, Ron Hoyt<rrh@rrhoyt.com> wrote:
>
>> --> RotaxEngines-List message posted by: Ron Hoyt<rrh@rrhoyt.com>
>>
>> The engine ran fine when it was removed from the aircraft. It was prepared
>> for storage according to Rotax operating instructions about 4 years ago. I
>> can't get it to restart when remounted on an aircraft.
>>
>> There is fuel in the float bowls. The A and B mag switches ground the mag
>> circuits at the junction on the engine. The starter provides 250 rpm and
>> maximum fuel pressure around 5 psi. The throttle is at minimum and the choke
>> is on maximum.
>>
>> The carburetor throats are dry after cranking the engine enough to get 50
>> psi of oil pressure. (The filters were removed)
>>
>> I would like to verify that the ignition is working before I rebuild the
>> carburetors. Is there a safe/recommended way (Propeller avoidance) to
>> verify the spark at the plugs?
>>
>>
>>
>>
>>
>
>
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Subject: | Re: Kitfox Remote Oil Pressure Kit |
I just ordered this kit from Kitfox for my Zenith 701. Having same issues
as others with OP. I also put on order for $41 from kitfox
a new VDO sender with - and + terminals.
I was really happy to find the kit because I was not thrilled about shoppi
ng around and figuring out what was needed.
I called kitfox and ordered by phone, when asked what model kifox I owned
I said the CH-701 model. they joked that the price was double for a 701.
They were helpful and friendly.
Here is a link to some pics of the kit from the teamkitfox forums.
http://www.teamkitfox.com/Forums/showthread.php?p=11042
The parts look good quality and cannot say what the total individual parts
would
cost if you put this together yourself.
Brian
http://www.701builder.com
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