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Ducati Pantah Racer
http://www.ducatittandf1.com/viewtopic.php?f=20&t=11655
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Author:  Alex [ Thu Oct 19, 2017 3:09 pm ]
Post subject:  Ducati Pantah Racer

Hello everybody.I know this Forum for a longer time and got some good informations for working on my Ducatis.
Now I decided to register and I want to introduce me.I am from Germany and I race Ducati Belt Drive Models since early 90ies.
This days I build a Pantah racer,used for Classic races.Picture is from Anneau de Rhin,a french Racetrack.
750 ccm,Dellorto 38 mm,Marzocchi fork,Yamaha R6 Yockes,Öhlins rear shocks,PVM Wheels,Brembo P08 ORO

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Author:  ducttf1 [ Sat Jan 13, 2018 12:23 am ]
Post subject:  Re: Ducati Pantah Racer

Nice machine Alex! Welcome to the Forum. How bout a picture of the other side of your beauty? Lou

Author:  Cal [ Sat Jan 13, 2018 11:02 pm ]
Post subject:  Re: Ducati Pantah Racer

Yes.....welcome and lets hear and see some more :)

Author:  Alex [ Mon Feb 12, 2018 10:47 am ]
Post subject:  Re: Ducati Pantah Racer

We do some more work on the bike.My son milled a pair of triple clamps for the Marzocchi fork.On a old Deckel FP2 milling machine,no CNC,all by hand :D . Anodized in Titanium coulor.
And a picture of the other side of the bike.
Still working at some more details.Hope to run at the Spa 4 hours classic race.We have been there with our Bimota KB1 Racer.Legendary Racetrack.

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Author:  Cal [ Tue Feb 13, 2018 1:11 am ]
Post subject:  Re: Ducati Pantah Racer

Very nice......those clamps are a work of art..........

Author:  583 [ Wed Feb 14, 2018 8:10 am ]
Post subject:  Re: Ducati Pantah Racer

Yes very nice job.
Did you keep the same set up of standard clamps on the new one?
Ciao
Filippo

Author:  Alex [ Wed Feb 14, 2018 11:56 am ]
Post subject:  Re: Ducati Pantah Racer

Hi Filippo
We used Yamaha R6 Clamps and bushed them to the 38 mm Marzocchi tubes.But the Yamaha parts were to wide.We had to use a longer axle and bigger spacers.If the bike got a heavy impact on the front in a fast curve ,the fork was twisted.The brake pistons went a little bit backwards.
Not a good feeling at the next hairpin bend.
But offset is the same as the Yamaha parts.The clamps are as narrow as possible to fit the brake disc.
We hope for a better stability.
This weekend we changed the rear brake from 240 mm to 220 mm diameter.Using a selfmade brake anchor plate.A small grimeca caliper is mounted.
Together with front discs with less weight we could save around 1,4 kg of weight.

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Author:  flattop900 [ Tue Mar 13, 2018 1:41 pm ]
Post subject:  Re: Ducati Pantah Racer

Hi Alex....
You mentioned that the R6 clamps have 41mm offset. How did the Pantah handle with these clamps and the longer shocks? Are you experiencing excessive chain wear on the swing arm?
I really like the triple clamps. Your son's machining skills are very impressive. Is he responsible for the other custom pieces on your bike?
Regards...
Flattop

Author:  Alex [ Thu Mar 15, 2018 5:15 pm ]
Post subject:  Re: Ducati Pantah Racer

Hi
The bike haldles very easy,and with good response from the front wheel.
Shock length is 37,3 mm.We extended the groove in the rear swingarm to get a wheel base of around 144 cm-145 cm.We use a reinforced clamping for the rear axle to compensate the longer groove.
chain wear on the swingarm is not a problem.we use 15 teeth on front sprocket,38-40 rear.the slider is useful,and it lasts relatively long.
My son is doing the machinig of the parts we need.His profession is called "Industrial Mechanic,education 3,5 Years in Germany.He is a KTM offroad guy :D .But he likes the Ducati.

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