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Author Topic: fox 59 vs. La46  (Read 3675 times)

Offline John KruziK

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fox 59 vs. La46
« on: January 08, 2011, 11:23:47 AM »
I found my dads old fox59 paper work indicates it has about 1 hp. I thought an La46 had more power than that. I was thinking of putting either one of these in a stuntwagon. This is going to be a sport plane not any kind of competition. Looking for suggesions Thanks John
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Offline Gene O'Keefe

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Re: fox 59 vs. La46
« Reply #1 on: January 08, 2011, 11:51:55 AM »
IMHO ,  sell the FOX .59 on Ebay and for sure use the  LA .46 (very good engine...easy to start...ample power)
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Offline Phil Bare

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Re: fox 59 vs. La46
« Reply #2 on: January 08, 2011, 12:31:53 PM »
Both engines will fly the plane, the Fox .59 will be somewhat uniqe while the LA .46 will be very mundane. I would opt for the Fox .59 myself.

Online Jim Kraft

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Re: fox 59 vs. La46
« Reply #3 on: January 08, 2011, 05:09:56 PM »
The LA 46 is a great engine from all I've heard. Having said that, the Fox 59 has chrisma. I have 2 of them, and they will pull very hard. IMHO I think it would make a dynamite stuntwagon engine. They are a bit noisey if that is a concern where you fly. They run well with an 11-7 to a 13-6 prop, and at least 25% oil mostly castor. They run a lot like a "BIG" Fox 35 stunt.
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Offline Bill Little

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Re: fox 59 vs. La46
« Reply #4 on: January 08, 2011, 07:31:57 PM »
Hi John,

There will be no problems associated with using a Fox .59 in a Stuntwagon 60.  Charlie Reeves did just that, and IIRC, won OTS at the NATS with his.  Tommy Luper, another outstanding OTS pilot has used th eFox .59 with success.  Charlie also uses a Fox .59 Long Shaft in the Big Job he published in FM.  And I will do the same when I get to build my Big Job (if my buddy ever sends me my Fox .59 Long Shaft!  what's three years among friends! I think it is just a matter of slow travel from the West Coast...... LOL!!)

For you purposes "I" would rather use the Fox .59!  Be warned, however, IT IS LOUD!!!!!!!!!!

If it is a "long shaft" version, it will benefit from a support around the front bearing area built into the nose ring.  Charlie did that on his Big Job.  It is a removable thin aluminum plate with an "O" ring inside for the end of the shaft to ride it.

If is the "normal" Fox .59, no such means are necessary.  Very easy engine to run, no harder to use than the OS .46LA.

Big Bear
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Offline John KruziK

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Re: fox 59 vs. La46
« Reply #5 on: January 08, 2011, 09:51:31 PM »
looks like I need to run the 59 on the bench, see if it needs any work. I did like the idea of using the fox, now I'll give it a go!!  Thanks John
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Offline Bill Little

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Re: fox 59 vs. La46
« Reply #6 on: January 08, 2011, 11:16:50 PM »
looks like I need to run the 59 on the bench, see if it needs any work. I did like the idea of using the fox, now I'll give it a go!!  Thanks John

Hi John,

Please make sure the wrist pin is not stick to the con rod before you run it!

Big Bear
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Offline John KruziK

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Re: fox 59 vs. La46
« Reply #7 on: January 09, 2011, 06:16:04 AM »
Bill
   Should I just take off the back cover to see if anything is sticky, or should I pull it apart to check wrist pin? Thanks John
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Offline Bill Little

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Re: fox 59 vs. La46
« Reply #8 on: January 09, 2011, 09:36:54 AM »
Bill
   Should I just take off the back cover to see if anything is sticky, or should I pull it apart to check wrist pin? Thanks John

Hi John,

I am not sure on the Fox .59 if you can tell from removing the back plate, only.  If the pin is stuck to the rod, bad things will happen in a hurry.

Bill
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Online Jim Kraft

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Re: fox 59 vs. La46
« Reply #9 on: January 09, 2011, 10:56:15 AM »
What I do is remove the 3 long screws that hold the cyl to the case, and use a heat gun on it to release the cyl. gasket, and then rotate the engine so that compression will pop the cyl. off. The heat gun will keep from ruining the gasket most times. Once the cyl. is off, you can check for back and forth movement of the piston on the rod. If it is stuck, you may have to take it apart. I have had success using a heat gun and something to penitrate the crud build up on the wristpin rod. Some of the early lapped 59's had a brass eyelet in the crank pin to keep the rod from moving back in the case. One of mine is a later ringed one, and it does not have the eyelet.
Jim Kraft

Offline Phil Bare

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Re: fox 59 vs. La46
« Reply #10 on: January 10, 2011, 07:55:25 AM »
I think that if you remove the back plate first, and bring the crank to BDC that you can then see if the rod will slide on the wrist pin.
Some times, if it is stuck, the heat gun can be directed in such a way as to losen it without removing the cylinder. Also, with the back plate removed, the ol crock pot will work wonders.    Phil

Online Brett Buck

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Re: fox 59 vs. La46
« Reply #11 on: January 10, 2011, 11:20:12 AM »
I think that if you remove the back plate first, and bring the crank to BDC that you can then see if the rod will slide on the wrist pin.
Some times, if it is stuck, the heat gun can be directed in such a way as to losen it without removing the cylinder. Also, with the back plate removed, the ol crock pot will work wonders.    Phil

   Heck, just put it in an oven at about 275 for a while. I don't think there are any plastic parts, so it won't hurt it. Failing that, a crock pot/antifreeze, as you mention, will certainly do it.

    Brett

Offline Phil Bare

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Re: fox 59 vs. La46
« Reply #12 on: January 10, 2011, 11:45:09 AM »
Yep, Brett, many ways to do it no doubt. I like taking the back plate off first thing to determin if the rod is stuck to the wrist pin or not. What ya do from there is personal preference or what happens to be handy.  My heat gun resides beside my crock pot so heat gun is first shot, then crock pot. Wife guards her oven.        :-)

Offline Robert Zambelli

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Re: fox 59 vs. La46
« Reply #13 on: January 10, 2011, 01:20:17 PM »
Definitely the Fox 59.
If for no other reason, it's in "spirit" with the plane. OTS plane, OTS engine.

That was going to be the "back-up" engine for the Viking if the OK Super 60 did not pan out.

I have a new-in-the-box ringed version that has never been run. I plan to break it in and put in on an OTS plane - I just have to decide which one.

Bob Z.

Online Jim Kraft

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Re: fox 59 vs. La46
« Reply #14 on: January 10, 2011, 03:47:23 PM »
I agree Phil; But if you get one with the eyelet on the crankpin, it does not give the rod any movement. I had to destroy the eyelet on mine to get the rod out as it is a press fit in the shaft. Never had a problem with the later ones, as they don't have the eyelet. Heat in one form or another will work on most of them. I did have one that nothing would work. I heated it, soaked it, crockpotted it, and finally had to press the pin out. This was on a Fox 59 that had never been run. Turned out to be one of my best 59's, and has a lot of air miles on it. I had to make a new rod retainer for the crank pin, as I could not find an eyelet that size.
Jim Kraft

Offline Phil Bare

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Re: fox 59 vs. La46
« Reply #15 on: January 10, 2011, 05:45:51 PM »
Hi Jim, you are absolutely correct and I was not thinking of the eyelet keeping the rod from moving.  For those .59s with it, ya gotta take the cylinder off. Anyway, a Fox .59 is a sweet engine and I have to say that it would be hard to do better IMHO.    Phil

Offline John KruziK

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Re: fox 59 vs. La46
« Reply #16 on: January 10, 2011, 06:38:58 PM »
So I'm going to use the fox, now if I need parts where do I get them.
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Offline Bill Little

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Re: fox 59 vs. La46
« Reply #17 on: January 10, 2011, 06:44:27 PM »
So I'm going to use the fox, now if I need parts where do I get them.

Hi John,

A good source is usually posting a "I need a Fox .59 "xyz" in the title on the various C/L sites.

Ebay can be really hit or miss. 

And, Fox Manu. "might" just have some of the parts left.  I have been amazed at what they can find in the "parts bins" if you can get hold of the "right" person!

Big Bear
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Offline Al Burczycki

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Re: fox 59 vs. La46
« Reply #18 on: January 12, 2011, 05:55:26 PM »
By all means use the Fox 59. I have one with a lapped version and it flies beautifully. I use a Tatone "Calumet" muffler #EM-6 which is a little heavy but I needed nose weight.  I fly on 67ft. X .018 lines. As an aside, if you need wrist pin pads, Amazon.com has Teflon in .030 thickness in 6in X 6in size for about $6.00. Sharpen a piece of brass tubing of the proper size and your in business. Amazon has a wide array of Teflon in various shapes in convenient sizes.
Cheers, Al B.

Offline John KruziK

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Re: fox 59 vs. La46
« Reply #19 on: January 13, 2011, 04:50:47 PM »
Thanks for all the info. I guess its time to get started with this.
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