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CVO Technical => Drive Train => Topic started by: sbcharlie on October 01, 2004, 08:22:33 AM
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hippo my head mechanic installed a new clutch device today. it takes 15 minutes to install.the idea of this clutch device is change clutch handle pressure pull. at low rpm it is soft and at higher rpm the pull gets harder. it works great, i guess were a dealer for these devices. i keep board posted on price and tec info. thanks short block charlie
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Has anyone got any experience of using a slipper clutch?
This is what one of the distributors says about it ...
TPP Slipper Clutch
Easy on the hand with smooth engagement combined with no-slip performance at full throttle, high rev take-offs - these are guide lines which are not easy to meet for a clutch system. While modern bikes perform satisfactory in stock configuration, they soon reach their limits with increased engine potential, A 124 cui. S&S powerplant literally smokes the original clutch or requires clutch springs and lever pulling efforts that only some Arnold Schwarzenegger would find find acceptable. This problem goes to extremes in drag racing and that
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Tony,
As Charlie mentioned Frank (HIPPO) has installed many of the what some call "Slipper Clutch" or also called "Lock Up Clutch" and also has sold hundreds more. Frank sells them in the US and I have them in Canada. We refer to them as VPC (Variable Pressure Clutch).
In the May issue of Hot Rod Bike and in May Thunderpress their are articles on usage and installations.
In your post on Distributor Commnts, "The drawback is that pure slipper cluthces are not suitable for street use with various driving situations" This is true for pure
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I have
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Frank (HIPPO) has installed many of the what some call "Slipper Clutch" or also called "Lock Up Clutch" and also has sold hundreds more. Frank sells them in the US and I have them in Canada.
That is supremely useful to know.
Please let me know if you have otherwise modified the clutch (bigger spring or more plates or anything) ...
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Tony,
No mods required to clutch. My bike has the HD Six Speed, so it has the SE Diaphgram. And it is a 15 minute bolt in job with no special tolls required for TC. EVO and Sportster more worl.
I am not sure what Clutch Pack are in the SE CVO Bikes, however I assume they are stock HD Clutch Packs.
Again log on the the AIM or HIPPO sites and installtion procedures are included.
geezerglide
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103tHunDer,
I will try and post to the Dyno Run Post.
Thanks again,
geezerglide
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No mods required to clutch.
Geezer,
So do I just get my dealer to shove this thing on and my new SEEG will be able to handle the 120 BHP & 120 TQ that I intend to throw at it?
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Tony,
I would advise you to email HIPPO at HippoVPC@gmail.com the information of your engine build, HP & TQ, he will review and suggest a VPC Unit more than likely a VP 92T and you can purchase direct from him, as he probably has them in stock in Phoenix, or, if their is a dealer in the UK you can get from him.
geezerglide
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In the May issue of Hot Bike
Geezer,
I do have the May issue of Hot Bike but didn't spot the article. Can you help point me in the right direction to read some more about it.
Thanks
Tony
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Tony,
I'm sorry, I gave you the wrong Magazine Title. The Magazine is the May Issue of Hot Rod Bike not Hot Bike and thr article is on page 70.
geezerglide
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One thing to make clear, the VPC has two principles
1) less diaphragm pressure (light pull)
2) centrifugal system to add 'lost' spring pressure as the rpm's go up (strong bite)
The most important area is up to 3000 rpm. The higher the rpm, the better the centrifugal system works. To recommend the right VPC you need to know the TQ in this area.
For example 103thunder would need a VP83T with a stock (light) diafragm spring OR a VP67T with a SE diafragm spring.
The VP92T is for engines producing up to 100 ft/lbs at 2000 rpm.
If you need any recommendations, just send an email.
www.tpp-europe.com
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Please check this dynorun: 95hp and 110 ft lbs.
It's a 95ci with VP83T. But it's realy pushing the limits for the VP83T up to 3500 rpm. We would normally recommend a VP92T to keep some safe area for unknown circumstances.
It's in Nm instead of Ftlbs.
2000rpm
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hippo my head mechanic installed a new clutch device today. it takes 15 minutes to install.the idea of this clutch device is change clutch handle pressure pull. at low rpm it is soft and at higher rpm the pull gets harder. it works great, i guess were a dealer for these devices. i keep board posted on price and tec info. thanks short block charlie
is the slipper clutch similar to the ez clutch?
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KNG103,
No, the EZ clutch is a conventional system that reduces the travel of the clutch mechanism by 50% and as a result the effort to pull the clutch is approx 40% less.
Not a good idea, as you don;t disengage the clutch for 100%!!
Check our website: www.tpp-europe.com for info about the VPC (Variable Pressure Clutch)