Today's Message Index:
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1. 02:02 AM - M14P cold starting (Phil Gower)
2. 05:57 AM - Re: Yak-18T Jacks (n395v)
3. 06:43 AM - Re: Yak-18T Jacks (LawnDart)
4. 10:08 AM - Re: M14P cold starting (psb777)
5. 04:13 PM - CJ 6 Hot Starts (Okanogan Lew)
6. 11:49 PM - CJ Placard Kit (Harv)
Message 1
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| Subject: | M14P cold starting |
Hello, following on from my inability to get the engine started on my
Yak18t recently in outback Australia where I was confronted by extremely
cold overnight temperatures, I have done some research into the problem
and if interested you can read about it by clicking on the link below.
To get a final working procedure I left my aircraft out overnight and
left it to 'soak' in the low overnight temperatures we have had
recently here in Toowoomba.
http://rappsystemscomau.melbourneitwebsites.com/auth/main/sb/preview/stag
e/files/starting_the_m14p_from_cold.pdf
Cheers, Phil (Gent from Australia - for Mark).
p.s. Next write up I am intending to do on the 'shower of sparks' with
hopefully meaningful test data to go with it.
Message 2
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| Subject: | Re: Yak-18T Jacks |
Contact me off list
bearcat (@) bearcataviation (dot) com
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Milt
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=306538#306538
Message 3
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| Subject: | Re: Yak-18T Jacks |
We use normal jacks however we have made adapters using rod stock and a large steel
ball
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=306542#306542
Message 4
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| Subject: | Re: M14P cold starting |
Phil, if the crankshaft is turned 720 degrees every piston has gone through each
of the 4 cycles of a 4-stroke engine. OK, in various orders, so double it,
if you really must. 1440 degrees, or 4 full rotations of the crankshaft. How
many (2-bladed prop) propeller blades is that? 4 * .6 = 3.2 prob rotations or
6.4 blades. Call it seven. In what way have you improved the priming of the
engine past the seventh blade? I wouldn't bother pulling 16 blades for priming,
as you suggest in your notes, as all that fuel-air mixture blown out the exhaust
valves cannot help do anything but start an (external to the engine) engine
fire.
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Paul Beardsell
HA-YAB http://beardsell.com/flying/ha-yab
Yak-18T http://beardsell.com/flying/yak18t
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=306583#306583
Message 5
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Hey Guys, the latest in the on going saga. I checked the points in "the shower
of sparks" unit & they were pitted & when activated showed a yellow spark & a
crackling sound. I spoke with Doug Sapp & he had a new set off of a defective
sparks unit. I installed those, wiping off the oil mist on the inside of my
unit. Also, the end of the electro-magnetic that pulls the bottom points down,
had a coating of surface rust that I removed with fine sandpaper. I used the
gap that was pr-set on the new unit. This I measured with a dial caliper from
the top of the adjustment screw(where the slot is) to the bottom of the brace
it screws into & the distance was .439 thousands. When activated this time,
I got a bright blue spark & a loud snap. Much much stronger. Today I parked
the CJ out in the sun for about 3 hours at 85 degrees, primed it three times
without pulling the blades thru & it wouldn't start. I gave it two more primes
& it fired, but didn't start. Two more primes got it started & running OK.
So, I think my problem was a weak spark from the starting ignition coil.
Thanks to all for your help.
ps Doug says he can't get any more points sets for the shower of sparks unit
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=306617#306617
Message 6
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Good morning
Would anyone know of a good source for a complete CJ6 placard kit in English?
I know each aircraft can vary slightly in its requirement but at this stage I'm
looking for a complete set of stock CJ placards includingl; the dimmer switch
rheostat backings, cowl gills, throttle controls, flap, gear, air, emergency
air etc.
Please let me know
Best regards
Martin
Read this topic online here:
http://forums.matronics.com/viewtopic.php?p=306640#306640
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