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1/12 Top Fuel Motorcycle (Larry "Spiderman" McBride)


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#41 futurattraction

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Posted 04 December 2012 - 11:51 AM

Now that I've picked my jaw up off the keyboard, I can type.  What a spectacular job!  There's no point in repeating what everybody else has said, but my gosh!!!  I'm not really a bike fan, but the work you did on your T/F bike is off the charts.  I'll keep watching and look forward to more updates.



#42 ScrappyJ

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Posted 04 December 2012 - 02:45 PM

Thanks for all the kind words, Gents!  I'll post some more between tonight and the AM.



#43 Prostreet

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Posted 05 December 2012 - 05:02 PM

Amazing work Dirk, I cheated and looked through your Fotki Photos.



#44 ScrappyJ

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Posted 06 December 2012 - 01:43 PM

Here are all the parts that Mike Lawrence made for me.  To say this guy has talent is an understatement.  The work he’s doing on his Evo’s motor is beyond real.  Thanks, Mike!

The primary covers in the process of being CNCed. 

IMG_2801-vi.jpg

IMG_2847-vi.jpg

MSD box being CNCed

IMG_5711-vi.jpg

IMG_5731-vi.jpg

The fuel pump

IMG_2880-vi.jpg

Brake and Clutch levers

IMG_5739-vi.jpg


Edited by ScrappyJ, 06 December 2012 - 01:48 PM.


#45 ScrappyJ

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Posted 06 December 2012 - 01:47 PM

And then the parts from Jim Littiken (MicroNitro). these include the rotor and rotor hats, the calipers and triple-trees. Great stuff here!  Thanks, Jim!

motorbike027-vi.jpg


Edited by ScrappyJ, 06 December 2012 - 01:48 PM.


#46 vintagedragfan

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Posted 06 December 2012 - 02:17 PM

WOOOW!!  that is some beautiful stuff Dirk!!



#47 Mooneyzs

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Posted 06 December 2012 - 02:52 PM

Dirk.... Those parts are very impressive. Man Nice work by Jim as always. as well as the parts Mike did to. This is a killer build



#48 pharr7226

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Posted 06 December 2012 - 06:11 PM

WOW!  Amazing design and machining going on here.  A tip of the hat to all of you...



#49 ScrappyJ

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Posted 07 December 2012 - 03:06 AM

Thanks, Gents!  I couldn't have done it without the help from Mike Lawrence, Bob Dudek and Jim Littiken (not to mention Clay Kemp, Charlie at Pro Tech and Bob at RB Motion).

 

Here is the motor and the exhaust.  One of the only parts, other than the front wheel and tire, from any kit was the head and valve cover for the engine, which all of those were cast.  The engine block/case and the cylinder jug (for lack of a better term) were machined on my mill.  At first, the block/case was more (no pun) block like.  Then I decided to taper the sides once I realized that is more how the real case looks).  All the braided lines were from Pro Tech (Charlie has the best) and most of the fittings were from Bob at RB Motion.

 

IMG_2717-vi.jpg

 

IMG_2718-vi.jpg

 

I thought the exhaust was going to be one of the most challenging parts of this build.  The part of the exhaust coming out of the motor is made from aluminum and the four pipes coming out to the top are made from stainless steel.  It turned out to not be too bad and I think the final results were okay.

 

IMG_2721-vi.jpg



#50 vintagedragfan

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Posted 07 December 2012 - 02:28 PM

you think it turned out ok??  thats killer Dirk!!



#51 Mooneyzs

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Posted 07 December 2012 - 02:37 PM

you think it turned out ok??  thats killer Dirk!!

 I would have to say Bad A$$!!! Killer work X2



#52 ScrappyJ

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Posted 08 December 2012 - 11:11 AM

Painted graphics on the bike.  This was all using HOK and taping off the graphics.  Unfortunately, because there were so many layers and I also used inter-coat clear, I had too much build-up in certain areas and had to try correcting.  Lots of consulting with David Morton, I was able to get it presentable

 

IMG_2687-vi.jpg

 

IMG_2686-vi.jpg

 

Here are the graphics for the decals.  Clay Kemp did a great job on these and I am indebted to him.

artwork-vi.jpg

 

Rollingbikeframe-vi.jpg


Edited by ScrappyJ, 08 December 2012 - 11:18 AM.


#53 Prostreet

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Posted 08 December 2012 - 01:05 PM

Looks sweet Dirk, Love that engine.



#54 ScrappyJ

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Posted 09 December 2012 - 06:17 AM

As always, thanks for the kind words, Gents! 

 

On another forum, I was asked about the tires, so I thought I would provide some insight: 

 

The front tire was from the Tamiya kit and I went ahead and cast them since the original intention was/is to build multiple bikes. 

 

The master for the rear tire was scratch-built out of flat styrene.  I first cut styrene the width of the contact patch part of the tire and rolled it in a roller that I got from Micro Mark (don't know the part number, but should be easy to find on their website); then I used my olfa radius cutting compass and cut the side walls (making sure to cut the outside first, that way you still have the center point to come in to cut the ID); then I rolled some round styrene rod to radius between the OD and ID of the side walls.  Once these pieces were cut and rolled, I attached the side walls to the main conact part, the rolled rods to the side walls, then I applied lots of putty and begun the sanding part.  Oh...one part that I forgot to mention: once your roll the flat piece for the main contact part, it tends to roll concave, so I rolled a small styrene strip and glued it to the center of the contact patch and then also applied putty so that I could work it from center to the edge of the side wall on both sides.  Once all this was done, lost of primer and sanding.  Once the master was completed, I cast a mold and made the tire(s).

 

Unfortunately, I didn't get a chance to take pictures of the process and hopefully my descripton makes sense. Here is a pic of the first version of the tire once it was done (had to redo it beacuse it wasn't wide and tall enough): CRW_0148_RJ-vi.jpg

 

The easier way to have done it, would have been to buy some type of machinable plastic, chuck it up in the lathe and machined it. Unfortunately, I didn't think of it sooner and went with the first thing I thought of.

 

 

Next pics will be the finished product in the "under glass" section.


Edited by ScrappyJ, 09 December 2012 - 12:33 PM.


#55 Dr. Cranky

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Posted 09 December 2012 - 09:37 AM

Outstanding.



#56 pharr7226

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Posted 09 December 2012 - 09:55 AM

Dirk,

 

  Outstanding and inventive work. I'm glad that you did not machine the slick, because your method can be used by us non-machinists.  What was thickness of the plastic sheet that you used to make the side walls?



#57 RANDY L

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Posted 09 December 2012 - 11:07 AM

WOW

as impressive as seeing the real bike which is impressive to see!!!!

Randy Ludi



#58 ScrappyJ

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Posted 09 December 2012 - 12:58 PM

Thanks guys!

 

Rick-

 

I believe I used 30 thousands sheets styrene for the tire.  I bought some 20 thou and 30 thou sheets from a local plastic supplier in either 6'x4' or 8'x4' sizes and then I cut them down to smaller sheets, by measuring, scoring and bending and braking.  It's a little more work, but a lot more cost efficient.  They should have different sizes and types too. 

 

Here is a pic of the tool:

81356_T_T1-vi.jpg

and the link:

http://www.micromark...=rolling bender

 

It's a really cool tool and I've gottend some really good use out of it.



#59 phantomw

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Posted 09 December 2012 - 02:05 PM

Dirk that's one amazing looking bike

#60 stump

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Posted 11 December 2012 - 11:25 PM

Dirk, words fail me..... :unsure:

I think everyone has covered all the superlatives to describe what you're presenting us with. Stunning is the best I can do, and that no where near covers it..... B)  B)  B)