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bang
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« on: August 12, 2008, 21:27:30 pm » |
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hey. anyone run with 180mm j&g floater clutch on type 4 or wbx? i have a 2779 ccm oxy boxer with a small flyweel/clutch problem. was on my first test run and the flyweel came of at 7000 rpm.  ( so hope to get some feedback from you guys if you have seen or tryed that. peter bang denmark the unhappy man who cant race an scc this year. |
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Roman
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« Reply #1 on: August 12, 2008, 21:34:27 pm » |
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Ouch!!!!!
The flywheel came off? Did the flywheel break or did the bolts shear off?
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Roman
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« Reply #2 on: August 12, 2008, 21:41:19 pm » |
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BTW, what flywheel did you use? Some of the type4 flywheels are cast, and if I am correct all the waterboxer ones are forged.
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« Last Edit: August 12, 2008, 21:43:24 pm by Roman »
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bang
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« Reply #3 on: August 12, 2008, 21:43:51 pm » |
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when i put the flyweel on the small o ring was between crank and flyweel so it was a bit out of balance. then it was the bolt to hold all the power and when i did the test run. but fuck it runs well and it is much torq..
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bang
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« Reply #4 on: August 12, 2008, 21:46:19 pm » |
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i use a 200mm typr 4 bough of a freind. so the next plan was to bou a 180 mm flyweel for jg floater if i can get that for a type 4/wbx
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Rick Sadler
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« Reply #5 on: August 12, 2008, 23:55:00 pm » |
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I ran a 200mm converted for the J&G on my Pro-Turbo Type-IV. Make sure you use the forged model and that you use only quality hardware (arp studs) and you will have a bullet-proof set-up.
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Der Kleiner Panzers
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Roman
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« Reply #6 on: August 13, 2008, 06:02:05 am » |
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It was years since I even touched a type 4, but I am almost sure FAT makes a 200 mm forged flywheel. The stock forged ones are as rare as hens teeth...
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Rick Sadler
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« Reply #7 on: August 13, 2008, 06:38:27 am » |
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FAT Performance definately has them. Give Greg a call at 714-637-2889 California Time
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Der Kleiner Panzers
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RMS Boxer Service
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« Reply #8 on: August 13, 2008, 07:28:00 am » |
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The flywheel in Bang's engine is a KEP 200 mm type 4, the bolts are the BAS 12.9 grade precision bolts and dowell pins are hardend steel 8 mm pins. All bolts and pins are snaped . As Bang wrote a piece of the flywheel Oring was cut during assembling of the engine. This little piece of Oring was between the mating surfaces of the crank and flywheel  . The bolts shows signs of that they have been loose before snaping. So no racing for Bang Racing at SCC this year  /Rolf |
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« Last Edit: August 13, 2008, 14:38:55 pm by Callook_67 »
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Bad bug
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« Reply #9 on: August 13, 2008, 14:17:52 pm » |
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Have you guys though about using the waterboxer 28mm flywheel. I understand they are all forged.
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Rick Sadler
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« Reply #10 on: August 13, 2008, 15:45:54 pm » |
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As asked previously did the bolts shear? Is the flywheel the only thing damaged or is the crank destroyed as well?
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Der Kleiner Panzers
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Udo
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« Reply #11 on: August 13, 2008, 17:30:40 pm » |
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Hi
I only use 914 flywheels for race engines , they are steel . And i match it with Gene Berg dowel pins and BAS special screws , never had problems . You can machine it for floater or 200 mm kennedy - black magic .
Udo
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bang
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« Reply #12 on: August 13, 2008, 19:58:33 pm » |
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the crank have marks on the end bot all the thret and holes for the pins are okay. think it can be done agin. i drive with a bus gear so the 228mm flyweel will fit inthere. udo i will bring the crank and flyweel to scc then u can se if it can be done if you want. ) |
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RMS Boxer Service
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« Reply #13 on: August 14, 2008, 07:32:23 am » |
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As asked previously did the bolts shear? Is the flywheel the only thing damaged or is the crank destroyed as well?
Yes the bolts did shear. I will post pictures of crank, flywheel and bolts/pin later. The crank is damage but i think it's repaiable since the damage of the pin holes and threads are only 1 mm deep. BTW who sells the J&G floater clutch ?? /Rolf |
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Udo
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« Reply #14 on: August 14, 2008, 07:41:16 am » |
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the crank have marks on the end bot all the thret and holes for the pins are okay. think it can be done agin. i drive with a bus gear so the 228mm flyweel will fit inthere. udo i will bring the crank and flyweel to scc then u can se if it can be done if you want. ) Sorry i am not at SCC this year , but i think it can get reground and new 11/32 dowel pins installed . Also the BAS screws . You can give it to Peter Köhmann if you want , and he has an expert (surprise guest ) who can look at the crank . Udo |
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bang
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« Reply #15 on: August 14, 2008, 10:50:13 am » |
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sounds good udo..  do you know where i can get a j&g floater clutch? |
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Udo
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« Reply #16 on: August 14, 2008, 17:50:17 pm » |
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I can order one if you want , i need one too for an turbo engine i am working at . May be someone has it in stock in europe , i don't know
Udo
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Mike Lawless
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« Reply #17 on: August 14, 2008, 17:55:38 pm » |
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Echoing Rick Sadler on the quality hardware
I had all the cover/stand studs shear off at the May Bugorama. No damage really, but lost my first round match because of it.....which sucks!
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bang
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« Reply #18 on: August 14, 2008, 20:26:40 pm » |
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udo i will get back to you later when i know if my crank can be repaired.. can you modify a flywheel for me aswell?
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Udo
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« Reply #19 on: August 14, 2008, 21:39:58 pm » |
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Yes i can , but if you need a new one i would take a 914 and modify it to 200mm with kennedy or modify for floater . The easier way would be kennedy and black magic .
Have fun at SCC .
Udo
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