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Thread: Tatra v8 test run
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22nd Mar 2023, 11:40 PM #31
G'day guys, well i just remembered i have a moto guzzi starter motor and they are reverse mount into the bellhousing just like the tatra motor and i think it is the same as the old vw beetle And yes shed that chap use the moto guzzi starter motor
So will see if the ford ring gear will mesh with the guzzi stater if not then will have to buy a guzzi ring gear and machine up a steel disc to bolt it onto.
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23rd Mar 2023, 09:28 PM #32
Why did that last picture builder use the entire transaxle? Looks silly to me....
Cheers, Joe
retired - less energy, more time to contemplate projects and more shed time....
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23rd Mar 2023, 10:36 PM #33
Maybe it was easy to build the bike that way What about this set up
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25th Mar 2023, 09:35 AM #34Most Valued Member
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25th Mar 2023, 09:41 AM #35Most Valued Member
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Dunno what you have in mind Turbs but the moto guzzi and bmw options would probably be your best chance of getting a functional bike on the road, most of the engineering is already done so you will only really need the modifications signed off, talk to a motor engineer before you start as it will save you time work and money.
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25th Mar 2023, 07:54 PM #36
Hi Shed, yep have already got a guzzi gear box, complete guzzi clutch, stater motor I found a motor engineer in Bayswater will contact him latter on and if the motor cycle project is a no go then a three wheel; trike build i have a bit of experience building one already
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25th Mar 2023, 09:49 PM #37Most Valued Member
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Turbs you are missing a big % of a motorcycle and all those odds and ends will take time and be hard to find and also quickly add up $$$$, i reckon you would be better to grab something like this https://www.bikedomain.com.au/listin...=641ecb726356c or https://www.bikedomain.com.au/listin...=641ecb726356c and you can sell the engine, or maybe you might get lucky if you keep an eye on the damaged bike auctions https://www.manheim.com.au/damaged-vehicles/6632977/2020-bmw-r1250rs-motorcycle?referringPage=SearchResults
but talk to the engineer first to make sure you are making the right decisions before you start buying...
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25th Mar 2023, 10:24 PM #38
Hi Shed, i have a complete 76 honda goldwing rolling frame plus the guzzi parts that i will need to fit to the motor. I can't stop now and yes it will take time it will take 3 to 4 years to finish the build and already spent $$$$ on importing the tatra motors and parts and if the engineer says no then it will be a show bike
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26th Mar 2023, 01:29 PM #39
OK found a stater and flywheel off a subaru this spins in the right direction I could only match up two of the threaded holes on the boss that i machine up and drill two holes into the flywheel to mate with them. I need to find a M16 left hand thread bolt and nut to use to bolt into the centre of the flywheel with a cap plate, gave it a bump test all good Tact weld a couple of hot dogs on the exhaust pipes.
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31st Mar 2023, 08:49 PM #40
DID SOME TESTS ON THE OIL COOLERS TODAY, ALL GOOD😁 ONLY GETTING AIR LEAKS WERE THE BOLTS ARE. DID USE NEW COPPER SEALING RINGS BUT HAD TO REALLY TIGHTEN THE BOLT AND NUT DOWN TO STOP THE AIR LEAKS. THE SECOUND OIL COOLER I HAD SOME trouble GETTING THE BOLT AND NUT TO SEAL, SO annealed copper RINGS THAT WORK A BIT THERE IS SOME SMALL BUBBLES COMING OUT. I SET THE AIR PRESSUR TO 35 PSI, I WONDER IF I CAN USE FIBER SEALING RINGS
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31st Mar 2023, 10:10 PM #41
What is the condition of the face that the copper washer seals to?
Possibly needs to be machined flat ?
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31st Mar 2023, 10:50 PM #42
THE CONDITION OF THE PORTS LOOK GOOD, I USE A FLAT FILE TO FILE THE SURFACE A BIT. I THINK I KNOW WHY IT'S NOT SEALING AS WELL, WILL MODIFIED THE BOLTS AS THE THREADS ARE NOT LONG enough THERE IS ABOUT 2MM OF THE SHANK STICKING OUT THAT MIGHT BE THE ISSUE. I HAD TO USE THREAD TAPE AS WELL AIR WAS LEAKING PASS THE THREADS ON THE BOLT. YOU THINK SOME Loctite 542 hydraulic sealer WOULD HELP
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1st Apr 2023, 06:32 PM #43Mechanical Butcher
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Bonded rubber-steel seals could be tried.
Dowty is best known, other brands are Stat-o-seal, Usit, Trelleborg.
With these, the oil resistant rubber cannot be overly crushed.
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1st Apr 2023, 11:33 PM #44
Hi nadroj, thanks for that info the parts manual says copper seals, i think why i am getting leaks is the bolts i am using.
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