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Reed types! What do you use? Babe_b10
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Post  FlyingGoats on Fri Jan 06, 2012 9:50 pm

Just wondering what type of reed everyone uses in there 049 and if you've experimented with the different ones. I've seen at least four or five types out there now so I'm curious if some perform better than others. I know a similar question was posted a while back but without much response so thought I'd try again. There must be some advantage to the different types or Cox would not have produced them.


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Post  Admin on Fri Jan 06, 2012 10:58 pm

https://sites.google.com/site/coxenginecollection/choosing-a-reed

I have some info on some of the reeds out there. I am currently gathering info on the woven Teflon reeds. I will also be posting info on how to make your own reeds out of floppy disks.
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Post  FlyingGoats on Sat Jan 07, 2012 12:42 am

Thanks for the info. I have new Mylar, Teflon, woven Teflon and a stainless reed that I want to try swapping in to see if there is any performance differences. I suspect for the most part there isn't. Some reeds were probably made because they were cheaper to produce, others simply lasted longer. Seems its worth investigating anyway.

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Post  GermanBeez on Sat Jan 07, 2012 2:59 am

It's really the user's preference.
I personally REALLY like copper-beryllium, because they keep working forever (that's probably why you'll find em in
all the old engines). I've got some mylar in black widows. the stainless steel ones, well...their performance is about en
par with copper, but that's just me (really like your avatar, by the way!)
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Post  nitroairplane on Sat Jan 07, 2012 5:12 am

I like copper and steel mainly because they are easy to re straighten.
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Post  GermanBeez on Sat Jan 07, 2012 6:04 am

that too.
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Post  Ivanhoe on Sat Jan 07, 2012 6:29 am

Admin wrote:https://sites.google.com/site/coxenginecollection/choosing-a-reed

I have some info on some of the reeds out there. I am currently gathering info on the woven Teflon reeds. I will also be posting info on how to make your own reeds out of floppy disks.

Now, the making of reeds from floppy disks is REALLY interesting! I have boxes of floppies that never get used these days, never realised it was possible, (though I always use sections of floppy as hinges for R/C models), hurry on the info!

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Post  Kim on Sat Jan 07, 2012 7:59 am

Ivanhoe wrote:
Admin wrote:https://sites.google.com/site/coxenginecollection/choosing-a-reed

I have some info on some of the reeds out there. I am currently gathering info on the woven Teflon reeds. I will also be posting info on how to make your own reeds out of floppy disks.

Now, the making of reeds from floppy disks is REALLY interesting! I have boxes of floppies that never get used these days, never realised it was possible, (though I always use sections of floppy as hinges for R/C models), hurry on the info!

Wilf

Yes...I'd like to hear about that also !
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Post  nitroairplane on Sat Jan 07, 2012 9:20 am

Same!
What is performance like?
May have I do some testing Smile
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Post  Mark Boesen on Sat Jan 07, 2012 9:26 am

Please open the link below, it was written by one of the best engine builders ever...I do what he does.


http://coxengineforum.forumakers.com/t753-the-revised-2011-gibeault-mouse-race-program

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Post  nitroairplane on Sat Jan 07, 2012 9:40 am

Cool
And it is great that he is now registered here!
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Post  microflitedude on Sat Jan 07, 2012 9:53 am

I use the mylar reeds, like Paul Gibeault. Sometimes I make my own from floppy disc material.
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Post  FlyingGoats on Sat Jan 07, 2012 1:53 pm

Mark, that link was excellent. A lot of really great info. And thanks Paul for sharing all your knowledge and experience. For a guy like you who competes, it's almost like the coach giving the play book to the other team. So I really appreciate what you've put together and shared here.
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Post  Big Al on Sun Jan 08, 2012 1:51 am

FlyingGoats wrote:Mark, that link was excellent. A lot of really great info. And thanks Paul for sharing all your knowledge and experience. For a guy like you who competes, it's almost like the coach giving the play book to the other team. So I really appreciate what you've put together and shared here.

Isn’t that great that we have pros willing to share!
It hsn’t always been that way but with sometimes surprising/amusing results. Back in the Dooling and Mc Coy tether car days the new .19 class started to gain popularity. A buddy and I went to a meet. He didn’t have a car so a friend offered an old tired Thimble Drome Arden .199 for him to enter. The fuel formula was the top secret at the time. Well as he didn’t have his own fuel he drained some from the ‘Panther Pi$$’ jug. (A waste disposal jug used for emptying tanks, dregs, etc. and who knows what else). Well his car won fist prize (a new McCoy 19 race car) but as far as I know he kept his fuel formula a top secret!
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Post  nitroairplane on Sun Jan 08, 2012 7:01 am

A while back there was a thread about fuel and someones friend was adding "secret ingreidinets" and said they were some sort of oil i forget and his friends tried it and damaged there engines.
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Post  microflitedude on Sun Jan 08, 2012 7:20 am

nitroairplane wrote:A while back there was a thread about fuel and someones friend was adding "secret ingreidinets" and said they were some sort of oil i forget and his friends tried it and damaged there engines.

"Lawn Boy" 2 stroke engine oil.
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Post  nitroairplane on Sun Jan 08, 2012 7:36 am

Yup that was it Smile
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Post  microflitedude on Sun Jan 08, 2012 7:38 am

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Post  nitroairplane on Sun Jan 08, 2012 7:39 am

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