Today's Message Index:
----------------------
0. 12:08 AM - Value of the List... (Matt Dralle)
1. 01:37 PM - Cold Start (BobbyPaulk@comcast.net)
2. 02:22 PM - Re: Cold Start (Pete Krotje)
3. 02:35 PM - Re: Cold Start (MacDonald Doug)
4. 02:46 PM - Re: Cold Start (H Lee Berrier)
5. 05:22 PM - Re: Cold Start (Gerald A. Applefeld VMD)
6. 05:48 PM - Re: Cold Start (Garth Knowles)
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| Subject: | Value of the List... |
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Message 1
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Guys
I should have said cold NOT start.
When the outside temp is under 55 degrees my Jab 3300 will not start. I hav
e tried jumper cables, chargers with 50 amp boost and a new battery. The en
gine spins very fast There is spark at the plugs and fuel dripping onto the
nosewheel pant. I even tried starting fluid, choke on, choke off, throttle
cracked, throttle wide open - nothing After about 45 minutes of this and l
etting it sit while the battery was recharging I decided to give it one mor
e try. I tried it ( choke out - throttle closed) and it started right away
as though nothing had been wrong. No flooded black smoke, no miss firing ju
st a smooth run. Let it run until the oil temp show a small rise and shut i
t down. Put the cowl back on and it started immediately with no jumpers. I
was a little apprehensive about leaving the field for a 90 mile lunch trek
but went anyhow - it started right up after sitting on the ramp for an hour
and a half and again when we stopped for a short visit at another field. I
t has never failed to start after the first start of the day. My choke has
not been drilled out to the 1.2mm. Could that be part of the problem. I am
also wondering how the fuel got on the wheelpant?? I turn the key ( mag swi
tch ) off while working on it and back on before spinning the starter - cou
ld it be the switch grounding both coils intermittently.
I have heard of a newer coil for the left side that would allow propping or
at least a lot more spark at a lower start RPM. Has anyone tried it?
Out of ideas.
Bobby ( age 76 )
Zodiac 601 XL "B"
Jabiru 3300 S/N 1141
Sensenich 64" x 51" Prop
Bing Carb 260 Main & 290 Needle Jet
Status - Flying 235 hrs.
Do Not Archive
Message 2
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Bobby,
When your engine is warm what is your idle rpm?
Pete
From: owner-jabiruengine-list-server@matronics.com
[mailto:owner-jabiruengine-list-server@matronics.com] On Behalf Of
BobbyPaulk@comcast.net
Sent: Wednesday, November 19, 2014 2:53 PM
Subject: JabiruEngine-List: Cold Start
Guys
I should have said cold NOT start.
When the outside temp is under 55 degrees my Jab 3300 will not start. I
have tried jumper cables, chargers with 50 amp boost and a new battery.
The engine spins very fast There is spark at the plugs and fuel dripping
onto the nosewheel pant. I even tried starting fluid, choke on, choke
off, throttle cracked, throttle wide open - nothing After about 45
minutes of this and letting it sit while the battery was recharging I
decided to give it one more try. I tried it ( choke out - throttle
closed) and it started right away as though nothing had been wrong. No
flooded black smoke, no miss firing just a smooth run. Let it run until
the oil temp show a small rise and shut it down. Put the cowl back on
and it started immediately with no jumpers. I was a little apprehensive
about leaving the field for a 90 mile lunch trek but went anyhow - it
started right up after sitting on the ramp for an hour and a half and
again when we stopped for a short visit at another field. It has never
failed to start after the first start of the day. My choke has not been
drilled out to the 1.2mm. Could that be part of the problem. I am also
wondering how the fuel got on the wheelpant?? I turn the key ( mag
switch ) off while working on it and back on before spinning the starter
- could it be the switch grounding both coils intermittently.
I have heard of a newer coil for the left side that would allow propping
or at least a lot more spark at a lower start RPM. Has anyone tried it?
Out of ideas.
Bobby ( age 76 )
Zodiac 601 XL "B"
Jabiru 3300 S/N 1141
Sensenich 64" x 51" Prop
Bing Carb 260 Main & 290 Needle Jet
Status - Flying 235 hrs.
Do Not Archive
Message 3
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Bobby, we are dealing with a similar issue up hear in the recently "Great W
hite North" of Northwestern Ontario.=C2- As a solution on my buddy's STOL
750/3300 we took a small 6"x10" ceramic heater and modded up some galvaniz
ed ductwork and a five inch flex hose to=C2-work as a rudimentary engine
pre-heater.=C2- After running the heater for about 45 minutes last night
at a temperature of about 18F the engine fired right up just like at the pe
ak of summer.=C2- We also put an old sleeping bag on top of the cowl to k
eep most of the heat in.=C2- The cylinder fins were not hot but I'm guess
ing they were in the 60F range.=C2- We were not even really trying to sta
rt the engine=C2-(just seeing how fast it turned) but it fired right up.
I guess these=C2-engines from Australia don't like our cool North America
n temperatures.
Doug M=C2-
=C2- From: "BobbyPaulk@comcast.net" <BobbyPaulk@comcast.net>
To: "Server, JabiruEngine-List Digest" <jabiruengine-list@matronics.com>
Sent: Wednesday, November 19, 2014 2:53 PM
Subject: JabiruEngine-List: Cold Start
Guys
I should have said cold NOT start.
When the outside temp is under 55 degrees my Jab 3300 will not start. I hav
e tried jumper cables, chargers with 50 amp boost and a new battery. The en
gine spins very fast There is spark at the plugs and fuel dripping onto the
nosewheel pant. I even tried starting fluid, choke on, choke off, throttle
cracked, throttle wide open - nothing=C2- After about 45 minutes of this
and letting it sit while the battery was recharging I decided to give it o
ne more try. I tried it ( choke out - throttle closed) and it started right
away as though nothing had been wrong. No flooded black smoke, no miss fir
ing=C2- just a smooth run. Let it run until the oil temp show a small ris
e and shut it down. Put the cowl back on and it started immediately with no
jumpers. I was a little apprehensive about leaving the field for a 90 mile
lunch trek but went anyhow - it started right up after sitting on the ramp
for an hour and a half and again when we stopped=C2- for a short visit a
t another field. It has never failed to start after the first start of the
day. My choke has not been drilled out to the 1.2mm. Could that be part of
the=C2- problem. I am also wondering how the fuel got on the wheelpant??
I turn the key ( mag switch ) off while working on it and back on before sp
inning the starter - could it be the switch grounding both coils intermitte
ntly.=C2-
I have heard of a newer coil for the left side that would allow propping or
at least a lot more spark at a lower start RPM. Has anyone tried it?
Out of ideas.
Bobby=C2- ( age 76 )
Zodiac 601 XL "B"
Jabiru=C2- 3300=C2- S/N=C2- 1141
Sensenich 64" x 51" Prop
Bing Carb 260 Main & 290 Needle Jet
Status - Flying=C2- 235 hrs.
Do Not Archive
Message 4
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Hey Bobby
I have a Lightning with a 3300A Jabiru and its also hard to start in
cold weather. Your idle speed should not be over 900rpm Before you
pre-flight turn on ele pump to fill carb bowl. Then turn over engine 6
or 7 times by hand mag off, to suck fuel in engine.
Do your preflight. Then to start fuel pump on to fill bowl. Throttler
off Choke full on and start. After start choke in some and add throttle
for proper RPM 1100 or so to warm engine. Mine will start using this
procedure. Jabiru recommends per heat at 40F and below. I have a
ceramic heater around $25 that I use and it takes 20mins to heat the
engine so it will start. Important don,t give it any throttle or it
will not start.
Tell me about the new coil I have not heard of it.
My name is Lee Berrier from Central NC and am 75 years old. I have a
Arion Lightning that I built with 115hrs on it. Am getting ready to put
the new thru bolt nuts on. Have you changed yours or you got a later
engine. Effects sr# 637 thru 2391.
On 11/19/2014 3:53 PM, BobbyPaulk@comcast.net wrote:
> Guys
> I should have said cold NOT start.
> When the outside temp is under 55 degrees my Jab 3300 will not start.
> I have tried jumper cables, chargers with 50 amp boost and a new
> battery. The engine spins very fast There is spark at the plugs and
> fuel dripping onto the nosewheel pant. I even tried starting fluid,
> choke on, choke off, throttle cracked, throttle wide open - nothing
> After about 45 minutes of this and letting it sit while the battery
> was recharging I decided to give it one more try. I tried it ( choke
> out - throttle closed) and it started right away as though nothing had
> been wrong. No flooded black smoke, no miss firing just a smooth run.
> Let it run until the oil temp show a small rise and shut it down. Put
> the cowl back on and it started immediately with no jumpers. I was a
> little apprehensive about leaving the field for a 90 mile lunch trek
> but went anyhow - it started right up after sitting on the ramp for an
> hour and a half and again when we stopped for a short visit at
> another field. It has never failed to start after the first start of
> the day. My choke has not been drilled out to the 1.2mm. Could that be
> part of the problem. I am also wondering how the fuel got on the
> wheelpant?? I turn the key ( mag switch ) off while working on it and
> back on before spinning the starter - could it be the switch grounding
> both coils intermittently.
> I have heard of a newer coil for the left side that would allow
> propping or at least a lot more spark at a lower start RPM. Has anyone
> tried it?
> Out of ideas.
>
>
> Bobby ( age 76 )
> Zodiac 601 XL "B"
> Jabiru 3300 S/N 1141
> Sensenich 64" x 51" Prop
> Bing Carb 260 Main & 290 Needle Jet
> Status - Flying 235 hrs.
>
> Do Not Archive
> *
>
>
> *
Message 5
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I agree with what Lee has written with one addition. My battery is a 18
AH gel cell. It turns the engine well in warm weather but can't turn
the engine to proper speed to fire the mags if the battery becomes cold
soaked. I use two 1600 watt hair driers with scat tubing attached then
aimed under the back of the cowl to preheat. 15-20 minutes really warms
well but if I aim one at the battery (Bat. is on firewall engine side)
and warm it, I get full cranking amps and starts every time.
Jerry
On 11/19/2014 5:45 PM, H Lee Berrier wrote:
>
> Hey Bobby
>
> I have a Lightning with a 3300A Jabiru and its also hard to start in
> cold weather. Your idle speed should not be over 900rpm Before you
> pre-flight turn on ele pump to fill carb bowl. Then turn over engine
> 6 or 7 times by hand mag off, to suck fuel in engine.
> Do your preflight. Then to start fuel pump on to fill bowl. Throttler
> off Choke full on and start. After start choke in some and add
> throttle for proper RPM 1100 or so to warm engine. Mine will start
> using this procedure. Jabiru recommends per heat at 40F and below. I
> have a ceramic heater around $25 that I use and it takes 20mins to
> heat the engine so it will start. Important don,t give it any throttle
> or it will not start.
>
> *
>
> *
Message 6
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I believe the "new coil" you guys may be referring to is the Rotec electron
ic ignition, refer to this link:=0A=0Ahttp://www.rotecaerosport.com/product
s/jab/ign/=0A=0AI just installed one of these on my 3300 and so far its wor
king as advertised. =0A=0AFYI=0A=0AGarth=0A=0ASent from Yahoo Mail on Andro
id=0A=0A
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