Author Topic: Visit to Thunderdome  (Read 147697 times)

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Offline Stainless1

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Re: Visit to Thunderdome
« Reply #90 on: July 14, 2008, 10:37:48 PM »
let Max know that we appreciate him being willing to share his build.  It is awesome.... the bike, the body, and the engines/supercharger and transmission.  I'm in awe,
Sum

Sum, not bad for an old guy working in his garage...  :-D  a lot of that going around these days, I hear there's a guy in Blanding building a lakester. 
I thought we did a good job packaging until I spent some time with Max, he has taken it to a whole new level.  You know I like to say if it ain't there it doesn't require any streamlining...  Max has a lot of scooter that is 0.00 coefficient of drag  8-)
Stainless
Red Hat 228.039, 2001, 65ci, Bockscar Lakester #1000 with a little N2O

Offline Stainless1

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Re: Visit to Thunderdome
« Reply #91 on: July 17, 2008, 01:15:02 AM »
Hey racefans, I took a break and ran by Max's today, good thing I did, remember the "busy side" of the Vincent motors that weren't started a couple of days ago, well Max had them done and almost ready to button up. 

A little closer look at the rear motor... the Vincents carry the cams high in the motor, the 2 sprockets on the top are the cams, driven by the little crank sprocket on the bottom through the large idler in the middle.  Max was checking the alignments when I arrived.  There are a series of keyways in the crank sprockets, and the cam sprockets are pressed on to the cams.  Max previously dialed the cams, and then welded the sprockets so now all he has to do is put the cams in the right spots and ensure the crank is in the right spot.  Then check the numbers.   Max's cams are the same profile that Brian Chapman developed for his Mighty Mouse 500cc blown single and his 1000cc Blown Twin Super Mouse drag race motors.  After Brian gave the go ahead to use his cam design, Gary Robinson ground the proprietary profile for Max.  Really short push rods go in these motors.

Here's the other side, buttoned up.  The heavy duty primary case supports the outboard crank bearings.  Yep that's one of the 3 breathers for the crankcase above the rear motor crankshaft.  The rear motor crankshaft has the blower belt drive pulley on it.  It is larger than the pulley I showed you on the blower, overdrives the blower 1.63:1.  The clutch installs on that empty rear shaft.

Kinda well thought out, more to show tomorrow, or should I say later this morning....
Stainless
Red Hat 228.039, 2001, 65ci, Bockscar Lakester #1000 with a little N2O

Offline Stainless1

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Re: Visit to Thunderdome
« Reply #92 on: July 17, 2008, 11:08:40 AM »
OK, back to the valve train... my darn camera's x-ray mode is not working, so here is what you can't see.  The cam followers are pivot arms, this allows radical cam profiles and fast actuation as well as a very light valve train.  The pushrods run up to the rocker arms in the head.  The rockers are forked and work in the middle of the valve, not above the spring.  The valves have stepped diameter stems and upper and lower valve guides. 
Disclaimer: This is a cutaway of the A motor, I couldn't find another... Max has a B motor in the rear and a C in the front.  The valve train concept is the same, but not exactly... it is like the same thing only different....  :roll:

Disregard any dirt you see, Max hasn't started cleaning up the heads but I wanted everyone to see a few things before they disappear.  The retainers are titanium, the keepers are hard to see here, but they are a wire ring clip that goes in a small groove in the valve.

The valves are a little larger than stock.  2 inch intakes and 1 7/8 exhaust.  Dual plugs, but that part will be in one of the next posts.
« Last Edit: July 17, 2008, 11:27:35 AM by Stainless1 »
Stainless
Red Hat 228.039, 2001, 65ci, Bockscar Lakester #1000 with a little N2O

Offline Stainless1

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Re: Visit to Thunderdome
« Reply #93 on: July 17, 2008, 06:36:02 PM »
The heads.... back in the day, the stock Vincent had an intake port that was about 1 1/16 inch, high performance mods made them 1 1/8... Max's are 1.5 inch.  The old big exhaust nut has been replaced with a 2 bolt flange.  OK, these are not your Dads old Vincent heads (unless you are little Max).  They are Dual plug specials cast by D V Godden to Max's specs using the same alloy that Cosworth used in their racing heads.  There is extra meat down the center between the fin sets and the plugs to add strength. 

The 4 bolts are standard, the extra 2 help with clamping.

The exhaust port has been given the D treatment for better flow. 
« Last Edit: July 17, 2008, 07:22:42 PM by Stainless1 »
Stainless
Red Hat 228.039, 2001, 65ci, Bockscar Lakester #1000 with a little N2O

Offline Stainless1

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Re: Visit to Thunderdome
« Reply #94 on: July 17, 2008, 07:19:49 PM »
Max is running a blown alcohol motor.  A couple of days ago I corrected the compression to 7:1 several posts back.  This is the the gasketless sealing system for the heads.  It is just like a big O-ring.  The  raised portion of the Max Spec'd LA Sleeve made cylinder mates to the recessed portion of the head with a couple of thousandths to spare.  Then the aluminum head is torqued to the iron sleeve.  It can't leak.

Here is the head recess.

Want to see Max's secret porting.... the exhaust side.... it is really hard to take a picture down inside a hole...  :-o  Now you know I'm not a painter and not a photographer...  :|  Trouble getting this to post
« Last Edit: July 17, 2008, 07:23:44 PM by Stainless1 »
Stainless
Red Hat 228.039, 2001, 65ci, Bockscar Lakester #1000 with a little N2O

Offline Steve DeTar

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Re: Visit to Thunderdome
« Reply #95 on: July 17, 2008, 10:09:28 PM »

I have finally found you.  I have a question for you sir, your user name.  Did you know my dad?  His name is Ted DeTar and raced from the 60's.  He was known in 1965 as the "Kansas Badman", 
« Last Edit: July 17, 2008, 10:14:34 PM by Stainless1 »

Offline Steve DeTar

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Re: Visit to Thunderdome
« Reply #96 on: July 17, 2008, 10:14:50 PM »
Why are you using my dad's race name?    My family wants to know,  Steve DeTar
« Last Edit: July 17, 2008, 10:17:18 PM by Steve DeTar »

Offline Kansas Bad Man

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Re: Visit to Thunderdome
« Reply #97 on: July 18, 2008, 08:45:00 AM »

I have finally found you.  I have a question for you sir, your user name.  Did you know my dad?  His name is Ted DeTar and raced from the 60's.  He was known in 1965 as the "Kansas Badman", 


Mr. DeTar, to answer your question, no, I've never heard of your dad.

During the 60's, the time period you say your dad was at the drag strip, I was making a career in the United States Navy (22 1/2 years).  I left Kansas when I was 17 years old, and only returned to live here 8 years ago.  In the sixties I served on the USS Mataco ATF-86, the USS Cree ATF-84, and the USS Apache ATF-67.  Most of my time was spent in the Far East, Japan, Korea, Guam, Philipines, Singapore, Tiawan, and other Pacific countries and islands.  During this time I also spent time in Australia. 

I wasn't even in Kansas, nor did I ever read about or hear of your dad in any periodical.

Offline Seldom Seen Slim

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Re: Visit to Thunderdome
« Reply #98 on: July 18, 2008, 09:00:10 AM »
Interesting...  So, just for the heck of it, I went online and searched around to see if there was a historical-era "Kansas Badman". I found a bunch of Mr. DeTar, a few Max Lambsky, and even Print Olive, a Texan-turned-Kansas cattleman from the nineteenth century.  But no definitive "Kansas Badman", such as there is a real "Seldom Seen Slim".

So wherever Max and Mr. DeTar got the name -- it wasn't from someone that left an easily-discovered trail through history.

My two cents worth for this morning.
Jon E. Wennerberg
 a/k/a Seldom Seen Slim
 Skandia, Michigan
 (that's way up north)
2 Club member x2
Owner of landracing.com

Offline Kansas Bad Man

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Re: Visit to Thunderdome
« Reply #99 on: July 18, 2008, 09:50:59 AM »
Why are you using my dad's race name?    My family wants to know,  Steve DeTar

Mr. DeTar, I am not using your dad's race name. 

I will explain.  First, as I said before, I never heard of your dad, or him being called "The Kansas Bad Man" until I woke up this morning and turned on this site.

I assume that your dad received this handle from others, or did he create the name himself?

Other people gave me the handle "Mad Max, The Kansas Bad Man".  To be specific.  In the late 70's I was stationed at Pearl Harbor.  I had been working on a motorcycle for several years, which was called "The Quarter Hemi".  (For particulars on this motorcycle go to www.vincentstreamliner.com and click on the button at the top of the home page, "Racers".   

While running this motorcycle at the Hawaii International Raceway (a quarter mile drag strip), the announcer, who noted on my paperwork that I was from Kansas, loudly proclaimed over the speaker system, "Coming to the line is The Kansas Bad Man on his Quarter Hemi".  It stuck, and it's been that ever since.

P.S. If you do a search of "bad men of the old west" you'll find 24,900,000 references.  Just for the sake of those who might not know, Kansas was a major part of the old west, cowboys, indians, buffalo and bad men abounded. 

I was born here, so I guess that makes me a Kansan.  "Bad Man" is a common moniker among go fast racers.

                       Yours for the LSR,
                              Mad Max
                     The Kansas Bad Man
   

Offline Kansas Bad Man

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Re: Visit to Thunderdome
« Reply #100 on: July 18, 2008, 10:19:37 AM »

I have finally found you.  I have a question for you sir, your user name.  Did you know my dad?  His name is Ted DeTar and raced from the 60's.  He was known in 1965 as the "Kansas Badman", 


Mr. DeTar,  I'm not all that hard to find.  We both live in Wichita, and I'm in the phone book.

I appreciate that you didn't intentionally post any insulting, false, DEFAMATORY, inaccurate, or harassing remarks, because as we all know, that would have been against the forum rules.

                             Yours for the LSR,
                                    Mad Max
                          The Kansas Bad Man

P.S.
The Bub Meet is coming up, and I've already spent too much time that I don't have to spare on this morning surprise. 

Offline bvillercr

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Re: Visit to Thunderdome
« Reply #101 on: July 18, 2008, 11:20:36 AM »
Why are you using my dad's race name?    My family wants to know,  Steve DeTar

Seems to me that you are a little impatient in that you waited only five minutes for an answer and then re-posted?  Common at least respond to his answers, oh yeah welcome to the site. :-D

Offline Sumner

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Re: Visit to Thunderdome
« Reply #102 on: July 18, 2008, 11:31:29 AM »
Hey I can live with two or more "Kansas Bad Men" as long as they don't come to Utah, well except for the salt that is.  I'm currently applying for the title of "Utah Bad Man" as I think some of the locals think I might deserve it  8-),

Sum

Offline Stainless1

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Re: Visit to Thunderdome
« Reply #103 on: July 18, 2008, 11:44:12 AM »
Controversy and drama... I've even been called the Kansas Bad Man when I was in the military, had nothing to do with racing.... Also called Rusty, Luckily Stainless stuck...  :-D
Steve, welcome to the site.  You might have noticed I edited your first post.  Somehow you first post was lost in the middle of a quote.  Sometimes they appear at the end inside the quote, but yours was in the middle, so I cleaned it up a little so we could find your post. 
Again, welcome, if you read the entire post and look at Max's site, you will find he is a "Kansas Bad Man" as well.
Stainless
Red Hat 228.039, 2001, 65ci, Bockscar Lakester #1000 with a little N2O

Offline Stainless1

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Re: Visit to Thunderdome
« Reply #104 on: July 19, 2008, 02:32:54 PM »
Max's Lump is growing, the heads are on, motor mounts are installed, starting to look like a very cool LSR motor. 

Max sets spring pressure over the valves at 130 Lbs, the Vincent valve train is very light, massaged stockers with 85 lbs could rev to 6000 in race trim, Max hopes he does not need to rev higher than that, but he can. 

Mad Max, the Kansas Badman, is the man behind this engineering marvel...., oh sure, several old English guys started the concept, they made 50 HP V-twins, this continuation pairs those with a bit of Yankee ingenuity to make well over 500 HP...  8-) 

Stainless
Red Hat 228.039, 2001, 65ci, Bockscar Lakester #1000 with a little N2O