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Author Topic: O S L A 46  (Read 3799 times)

Offline Bootlegger

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O S L A 46
« on: December 07, 2015, 11:45:22 AM »

  What is the stock head shim thickness for this engine?  Thanks...
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Offline Tim Wescott

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Re: O S L A 46
« Reply #1 on: December 07, 2015, 12:39:38 PM »
Just perfect for a stunt run, AFAIK.
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Offline Mark Scarborough

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Re: O S L A 46
« Reply #2 on: December 07, 2015, 12:50:36 PM »
Quote from: Tim Wescott on December 07, 2015, 12:39:38 PM
Just perfect for a stunt run, AFAIK.
while this is most decidedly true Tim,,
you should take care ,, soon you will be lumped into the same basket with me ( that being smart a$$) ,,
then next thing you know they will lump all us NW guys into that basket,,
and while its likely true to a great extent,, i would rather make them meet us to figure it out ( see attendance at the regionals jump until the figure out who we really are)

All that said,, I am a bit perplexed by this question,, if you are running an LA 46, take the head off and measure it?
if you are not running one, uh,, ??
I guess perhaps if you have one that you suspect has been modified this might be relevant ,,

I am not home, and like Tim, I have no undying need to pull the head off one of mine so sorry,, I cant help,,
but I thought Tim's comment warranted a witty reply,, sorry to clutter upyour thread,,
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Offline Joe Yau

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Re: O S L A 46
« Reply #3 on: December 07, 2015, 01:35:04 PM »
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Offline Mark Scarborough

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Re: O S L A 46
« Reply #4 on: December 07, 2015, 01:51:19 PM »
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Offline Bootlegger

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Re: O S L A 46
« Reply #5 on: December 08, 2015, 07:32:21 AM »

   Well, the reason for the question is the fact that all of the la 46 engines that I have the shims have been changed and I don't have any way of knowing what the stock one was.

  But I say thank you Joe, I 'ppreciate the answer...
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Offline Chris Wilson

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Re: O S L A 46
« Reply #6 on: December 08, 2015, 04:27:41 PM »
Begs the question as to why the shims were changed, and indeed what else was done along with it?

But the answer (minus the painfully circuitousness route) is 0.3mm.
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Offline Tim Wescott

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Re: O S L A 46
« Reply #7 on: December 08, 2015, 04:40:18 PM »
Quote from: Bootlegger on December 08, 2015, 07:32:21 AM
   Well, the reason for the question is the fact that all of the la 46 engines that I have the shims have been changed and I don't have any way of knowing what the stock one was.

Sorry for the smart-ass answer, then.  I thought you were fixin' to murder an engine or two.

If they're shimmed and you don't know their provenance then Chris has a good point -- you may want to inspect them for timing mods, or inquire of former owners.
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The problem with electric is that once you get the smoke generator and sound system installed, the plane is too heavy.

Offline Mark Scarborough

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Re: O S L A 46
« Reply #8 on: December 08, 2015, 06:13:16 PM »
Quote from: Tim Wescott on December 08, 2015, 04:40:18 PM
Sorry for the smart-ass answer, then.  I thought you were fixin' to murder an engine or two.

If they're shimmed and you don't know their provenance then Chris has a good point -- you may want to inspect them for timing mods, or inquire of former owners.
its all your fault Tim,,
If YOU hadnt been a smarty pants, I would have kept my fingers off the keyboard LOL, so there
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Offline Tim Wescott

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Re: O S L A 46
« Reply #9 on: December 08, 2015, 07:14:47 PM »
Quote from: Mark Scarborough on December 08, 2015, 06:13:16 PM
its all your fault Tim,,
If YOU hadnt been a smarty pants, I would have kept my fingers off the keyboard LOL, so there

Yes, we all know that you're totally incapable of being a smart-ass unless someone prods you.
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AMA 64232

The problem with electric is that once you get the smoke generator and sound system installed, the plane is too heavy.

Offline Mark Scarborough

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Re: O S L A 46
« Reply #10 on: December 08, 2015, 07:18:46 PM »
Quote from: Tim Wescott on December 08, 2015, 07:14:47 PM
Yes, we all know that you're totally incapable of being a smart-ass unless someone prods you.
well yeah
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Online Brett Buck

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Re: O S L A 46
« Reply #11 on: December 08, 2015, 10:10:32 PM »
Quote from: Joe Yau on December 07, 2015, 01:35:04 PM
http://www3.towerhobbies.com/cgi-bin/wti0001p?&I=LXCM65#tech

  Unfortunately, that does not seem to be correct. I just measured two of mine, brand new out of the box, and they are 0.4mm/0.016". That's enough different from 0.013 as asserted in the link that it will probably make a small difference in the way it runs, but it's probably not critical.

     Brett
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Offline Chris Wilson

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Re: O S L A 46
« Reply #12 on: December 09, 2015, 12:48:21 AM »
Wonder if all the deck heights are going to be within that production tolerance Brett?
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MAAA AUS 73427

You have enemies? Good. That means you've stood up for something, sometime in your life.
 Nothing in life is so exhilarating as to be shot at without result.  It's not enough that we do our best; sometimes we have to do what's required

Online Brett Buck

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Re: O S L A 46
« Reply #13 on: December 09, 2015, 01:04:34 AM »
Quote from: Chris Wilson on December 09, 2015, 12:48:21 AM
Wonder if all the deck heights are going to be within that production tolerance Brett?

 One would certainly hope so!

    Brett
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