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Author Topic: List your Brian Gardner LA46 setup  (Read 2309 times)

Offline Chris Fretz

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List your Brian Gardner LA46 setup
« on: April 20, 2018, 07:14:52 PM »
I'm interested in hearing how everyone is running their Brian Gardner ABC LA46.  Prop, venturi, plug, rpm, NVA's, what head shim, fuel.


I've been bench running mine. I had a Merlin 2005 plug in it but when I pull the glow igniter off it loses close to 600rpm, tried 2 different new Merlins with same results. Tried a OS A3 and it doesn't lose nearly as much just a little.

Anyway hoping to eliminate some trial and error here.

Thanks
Chris
« Last Edit: April 21, 2018, 08:50:19 AM by #Liner »
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Offline RandySmith

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Re: List your Brian Gardner LA46 setup
« Reply #1 on: April 20, 2018, 08:39:00 PM »
tight  ABC SETUPS WILL DO THAT AS THEY ARE  braking  in,  the  ST 46s  I have setup  with his  P/S  do that at first
You should be  breaking in on the bench or  holding the plane, then just turn the needle in aboutr 1/4 turn
you can also use the  2004 Merlin  it is the hottest,  but  a drop in  RPMs  on breakin  hurts nothing  as   YOU  control the  needle

Randy
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Offline David Ruff

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Re: List your Brian Gardner LA46 setup
« Reply #2 on: April 21, 2018, 06:45:49 AM »
I have a new Enya BB that I am breaking in.  It was so bad that when I removed the glow starter the engine quit.
So, I left the igniter on the plug for the first few runs.
After several runs like that, I could remove the glow igniter.
Now it runs fine.
Randy is right.
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Offline Chris Fretz

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Re: List your Brian Gardner LA46 setup
« Reply #3 on: April 21, 2018, 07:33:36 AM »
Quote from: RandySmith on April 20, 2018, 08:39:00 PM
tight  ABC SETUPS WILL DO THAT AS THEY ARE  braking  in,  the  ST 46s  I have setup  with his  P/S  do that at first
You should be  breaking in on the bench or  holding the plane, then just turn the needle in aboutr 1/4 turn
you can also use the  2004 Merlin  it is the hottest,  but  a drop in  RPMs  on breakin  hurts nothing  as   YOU  control the  needle

Randy
Just out of curiosity why does the tight fit cause the Merlin to do this?

Chris
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Offline badbill

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Re: List your Brian Gardner LA46 setup
« Reply #4 on: April 21, 2018, 07:34:56 AM »
Chris,
              How many head shims are you running? I haven't run mine yet, but am debating on one shim or two. Compression feels too high with just one.
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Offline Dan McEntee

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Re: List your Brian Gardner LA46 setup
« Reply #5 on: April 21, 2018, 07:37:52 AM »
Quote from: #Liner on April 20, 2018, 07:14:52 PM
I'm interested in hearing how everyone is ruining their Brian Gardner ABC LA46.  Prop, venturi, plug, rpm, NVA's, what head shim, fuel.


  I think you should go back and fix how you wrote this line, change "ruining" to "running"", if that is what you meant. Although there are some out there that just may be ruining a good P/L set! Brian sent instructions with the parts, so just follow those to the letter. Tons of other information on the list here on how to break in engines of all kinds, especially ABC type engines.
   Type at you later,
  Dan McEntee
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Offline Chris Fretz

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Re: List your Brian Gardner LA46 setup
« Reply #6 on: April 21, 2018, 08:49:21 AM »
Quote from: Dan McEntee on April 21, 2018, 07:37:52 AM
  I think you should go back and fix how you wrote this line, change "ruining" to "running"", if that is what you meant. Although there are some out there that just may be ruining a good P/L set! Brian sent instructions with the parts, so just follow those to the letter. Tons of other information on the list here on how to break in engines of all kinds, especially ABC type engines.
   Type at you later,
  Dan McEntee
Uhg! These stupid smart phones and their auto correct!  Thanks Dan!
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Offline Chris Fretz

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Re: List your Brian Gardner LA46 setup
« Reply #7 on: April 21, 2018, 08:59:49 AM »
Quote from: badbill on April 21, 2018, 07:34:56 AM
Chris,
              How many head shims are you running? I haven't run mine yet, but am debating on one shim or two. Compression feels too high with just one.
Curenttly I just got it put together on Sunday and for now I'm just using the stock. 015 head shim, the one that comes with the ABC sets are thinner.  I guess it's a toss up whether to use both or just the stock one or just the one that comes with it.  I was hoping to get some feedback on this post but no luck so far.

Chris
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Offline RandySmith

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Re: List your Brian Gardner LA46 setup
« Reply #8 on: April 21, 2018, 11:15:58 AM »
Quote from: #Liner on April 21, 2018, 07:33:36 AM
Just out of curiosity why does the tight fit cause the Merlin to do this?

Chris

It;s  not the plug doing it, and on breakin, you only need to turn the needle in, lean out a little and all is fine, after  the piston is seated and run in,  the  engine should act normal.  But  in general applications with  Glow Plugs, if the  RPM is  dropping when you remove the battery, you have  either a  bad or weak plug, or a very hot battery. If the plug does that new it is  too cold for the motor.
The  Merlin 2004 is one of the hottest plugs you can get and is excellent for Stunt engines,  I have sold  north of 500 of them

Randy
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Offline Chris Fretz

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Re: List your Brian Gardner LA46 setup
« Reply #9 on: April 21, 2018, 11:28:57 AM »
Quote from: RandySmith on April 21, 2018, 11:15:58 AM
It;s  not the plug doing it, and on breakin, you only need to turn the needle in, lean out a little and all is fine, after  the piston is seated and run in,  the  engine should act normal.  But  in general applications with  Glow Plugs, if the  RPM is  dropping when you remove the battery, you have  either a  bad or weak plug, or a very hot battery. If the plug does that new it is  too cold for the motor.
The  Merlin 2004 is one of the hottest plugs you can get and is excellent for Stunt engines,  I have sold  north of 500 of them

Randy
Ok I see what you mean now.  Thanks Randy!

Chris
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Offline Al Ferraro

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Re: List your Brian Gardner LA46 setup
« Reply #10 on: April 21, 2018, 09:39:54 PM »
Quote from: #Liner on April 20, 2018, 07:14:52 PM
I'm interested in hearing how everyone is running their Brian Gardner ABC LA46.  Prop, venturi, plug, rpm, NVA's, what head shim, fuel.


I've been bench running mine. I had a Merlin 2005 plug in it but when I pull the glow igniter off it loses close to 600rpm, tried 2 different new Merlins with same results. Tried a OS A3 and it doesn't lose nearly as much just a little.

Anyway hoping to eliminate some trial and error here
Thanks
Chris

https://stunthanger.com/smf/engine-set-up-tips/jaguar-powered-with-a-gardner-la46-pl-kit/
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Offline Chris Fretz

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Re: List your Brian Gardner LA46 setup
« Reply #11 on: April 22, 2018, 08:42:15 AM »
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Offline Dennis Moritz

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Re: List your Brian Gardner LA46 setup
« Reply #12 on: May 07, 2018, 10:39:35 AM »
Great run. Thanks for the info and video.


Sent from my iPad using Tapatalk
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Offline RandySmith

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Re: List your Brian Gardner LA46 setup
« Reply #13 on: May 07, 2018, 12:06:36 PM »
Quote from: badbill on April 21, 2018, 07:34:56 AM
Chris,
              How many head shims are you running? I haven't run mine yet, but am debating on one shim or two. Compression feels too high with just one.

I have setup several of them, and  I put in  1 stock gasket  and  1 of the gaskets  Briam supplies,  high comp  engine  and it runs very well that way

Randy
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Offline badbill

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Re: List your Brian Gardner LA46 setup
« Reply #14 on: May 07, 2018, 01:32:53 PM »
Thanks Randy
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Offline Bootlegger

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Re: List your Brian Gardner LA46 setup
« Reply #15 on: May 09, 2018, 03:48:29 PM »

  Chris I sent ya a P/M..
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Offline Brian Gardner

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Re: List your Brian Gardner LA46 setup
« Reply #16 on: May 09, 2018, 07:13:20 PM »
Remember fellas these are stunt timed etc, so they run the way we want and will be flexible. You can now try things that didn't work with the stock setup like bigger venturies for more grunt - and  more nitro :-)
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