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Beaver Valley


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#1 Duffy

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Posted 18 November 2014 - 12:24 PM

By popular demand from some variously-popular guys: a thread about this chassis and some of the ways it can be done up.
 
WAR BEAVER got its start as this year’s chassis in Retro East’s annual six-hour Enduro. We tried to come up with a frame that would deliver satisfying performance and would be durable enough to survive the race in a wide range of conditions.  Several participants in that event remarked that the effort was successful on all counts. Based on the enthusiasm and a lot of requests, we tooled up a complete kit.
 
This chassis may be ideally suited to kitting. It was engineered to be simple and straightforward to build and to maintain, and as such it’s well within reach of any reasonably careful builder; a couple of small mods from the original Enduro cars were made to make the assembly even easier, and with the detailed instructions supplied it’s possible to go from kit bag to finished chassis in an hour and a quarter.
 
In this thread we’ll talk a little about the engineering thought that went into the basic WAR BEAVER, and also show some of the variants from the original that have come along so far.
 
113van 01.jpg
 
We tend to call anything with divergent rails “Tripods,” and often they really aren’t; this one aren’t. But, the triangles formed by the parallel center section with the two divergent “spread” rails, all locked solid together, makes for a very rigid structure that still twists nicely. The most important bit here is in how the axle tabs in the nosepiece are bent to align with the spread rails, so that they can be joined along that edge without having to bend back into line. Lapping the rail in this way gives us a stronger joint and eliminates the need to add extra braces to the nosepiece, and also eliminates having to bend the wire back parallel to the center rails: that second bend would make a vulnerable stress point in a head-on impact, an unsupported place that would try to crumple. We saw some proof of that thinking at our June Enduro, where at least one racer took a full-punch wallshot and drove away chuckling.
 
The other thing you see here is the attempt to mount the pan hinges with a minimum of bendy fuss: the intent is to run hinge wires along the front and rear edges of the pan, making it necessary to make only one bend per side up to the top surface of the brass, and that one’s got plenty of room to bend in.
 
The standard BEAVER performs ably, and I hope a couple of guys who’re driving them now will chime in here with their comments; at the same time, there’re always fellows who just can’t resist playing around a little…
 
IMG_2320.JPG
 
Here’s Joe Neumeister’s tonyp-built car, with .055" wires and cut-down pans. This  appeared at last month's Sano, and would have competed but for a last-minute discovery that too-soft fronts were scrubbing off speed in the bank. It'll be under a Coupe this week at HVR, and we shall see –
 
TonyP 10-rail 01.JPG
 
- And here'sTony’s own, using .047" rails. I believe this was sold right at the race after this pic, and he's got another now. Notice the little crossbrace on the center section, by the motor bracket: that bracket’s Dremeled out and the wire is soldered straight across the inside of the motor face. It's a great help with unwanted twist in these multi-rail cars.
 
Wally Beev 03.jpg
 
Duffy mounted a Wallenda perimeter to the standard center, to make – what else? “Wally And The BEAVER.” Jersey John took this one, tore the Brady pans off and dropped the axles, and pressed it into service in Can-Am Plus; did pretty well with it, too.
 
So – what’s next?


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#2 Tex

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Posted 18 November 2014 - 04:47 PM

I can't repeat what I'm thinking. Yes, to answer the question/remark you haven't asked/said yet.


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#3 tonyp

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Posted 19 November 2014 - 08:55 AM

Here is one I made to a customers specs for a RetroPro. Came out at 34 grams...

 

IMG_0122.JPG

 

IMG_0123.JPG


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#4 JerseyJohn

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Posted 19 November 2014 - 07:26 PM

Rabid Beaver By JJ Chassis. 53 grams of pure animal...

WP_20141119_001.jpg

 

WP_20141119_003.jpg

 

WP_20141119_005.jpg


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#5 tonyp

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Posted 20 November 2014 - 02:39 PM

IMG_2441.JPG

 

I see your Beaver and raise you one.


"And if my thought-dreams could be seen they'd probably put my head in a guillotine. But it's alright, Ma, it's life, and life only." - Dylan

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#6 tonyp

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Posted 20 November 2014 - 03:05 PM

IMG_2181.jpg

 

A trio of Beaver.


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"And if my thought-dreams could be seen they'd probably put my head in a guillotine. But it's alright, Ma, it's life, and life only." - Dylan

1965 "Evil Bucks Racer" Team
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American King track single lap world record holder & 40 minute total lap record
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#7 Noose

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Posted 20 November 2014 - 03:07 PM

Let's call this "Sano Beaver".  It was my back-up car at the Sano. Recent changes to the type of front tires has made this a "go to car" for me. 

 

SanoBeaver.jpg


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#8 Half Fast

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Posted 20 November 2014 - 03:34 PM

Nice work, guys.

 

I have always liked to see pictures of Beavers!

 

Cheers,


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#9 Tex

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Posted 20 November 2014 - 04:42 PM

I can't stand it any longer! Beaver Valley! Beaver Valley! Beaver Valley! Beaver! Beaver! Beaver! oh. oh! Oh! OH! OOHHHH!!!

 

Aaaahh.

 

Whew. Had to get that out.

 

Back to your regularly scheduled programming. Sorry for the interruption.


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Richard L. Hofer

Remember, two wrongs don't make a right... but three lefts do! Only you're a block over and a block behind.

#10 Duffy

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Posted 20 November 2014 - 04:45 PM

It's the title of a Disney nature film from like '54 or thereabouts.


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#11 Half Fast

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Posted 20 November 2014 - 05:09 PM

... and here I thought it was more like a Russ Meyer flick. :)
 
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Bill Botjer

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#12 Duffy

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Posted 20 November 2014 - 06:01 PM

Gentlemen, try to maintain a little decorum here. I know I haven't made it all that easy, but please at least make a convincing show of it.


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#13 The Number of

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Posted 20 November 2014 - 07:29 PM

Well, you started it what is next? Angry beaver, blind beaver, a lightweight shaved beaver? STOP THE MADNESS!
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#14 Tex

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Posted 20 November 2014 - 07:29 PM

It's the title of a Disney nature film from like '54 or thereabouts.

 

Oh, it's SO much more than that.


Richard L. Hofer

Remember, two wrongs don't make a right... but three lefts do! Only you're a block over and a block behind.

#15 Half Fast

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Posted 20 November 2014 - 07:56 PM

Duf-
 
I'm sorry I started this thread on the road to perdition.
 
Cheers,
 
PS: The Road to Perdition was a Bob Hope movie I think! :) (Special obscure reference for Duffy.)
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Bill Botjer

Faster then, wiser now.

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#16 Duffy

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Posted 20 November 2014 - 07:56 PM

Well - right now we're tossing various names around for the upcoming F1 kit. Included on the short list is STEAMER DUCK. Y'like?
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#17 Half Fast

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Posted 20 November 2014 - 07:58 PM

I am going to have to work hard to make something out of that name. Sounds like a Bada$$ Bird.
 
Cheers,

Bill Botjer

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#18 The Number of

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Posted 20 November 2014 - 08:01 PM

Sofa King Steamer Duck?
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#19 Duffy

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Posted 20 November 2014 - 08:23 PM

Oh, behave.


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Michael J. Heinrich
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#20 Tex

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Posted 21 November 2014 - 08:00 AM

You have GOT to be kidding!? We're slot car guys! :laugh2:
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Richard L. Hofer

Remember, two wrongs don't make a right... but three lefts do! Only you're a block over and a block behind.

#21 Duffy

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Posted 21 November 2014 - 08:38 AM

Oh. Right. I forget sometimes.


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#22 Tex

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Posted 21 November 2014 - 08:55 AM

I'll be good now. I just HAD to get that other thing out of my system. I'm better now. The doctor said so.


Richard L. Hofer

Remember, two wrongs don't make a right... but three lefts do! Only you're a block over and a block behind.

#23 Duffy

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Posted 21 November 2014 - 09:08 AM

See? Obamacare works.


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Michael J. Heinrich
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#24 gas

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Posted 21 November 2014 - 10:42 AM

TonyP's with the motor in it is a Mountain Beaver.


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#25 CoastalAngler1

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Posted 22 November 2014 - 12:04 AM

Podium threat.

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