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HTD Drive Pulley Profile

HTD Drive Pulley Profile

HTD Drive Pulley Profile

(OP)
Can anyone assist me with the proper profile dimensions for an 8mm HTD drive pulley? I tried my SAE books but no luck. I am working on a drive kit for use in NASCAR and drag racing. Any direction would be appreciated

RE: HTD Drive Pulley Profile

Try the CONTITECH web pages. I think, that there is also the pdf manual of pulleys dimensions. The link is: http://www.contitech-usa.com
The product line name is CONTI SYNCHROFORCE

Mirekp
Mechanical engineering calculations
http://www.mitcalc.com

RE: HTD Drive Pulley Profile

Three points:

1. There are profiles other than HTD that will get you considerably higher power density; Gates Poly-Chain GT, for example.

2. You can normally find detailed profile information in manufacturers' catalogs.  If you can't find it in the catalog, the belt manufacturer will probably be cooperative about supplying  pulley profile information.

3. If you are talking about a drive for the turbo charger, you'll find adequate belts available.  If you are talking about a drive to transmit engine power you will need a monster belt - 8 mm will not be heavy enough.

RE: HTD Drive Pulley Profile

Many racecars use 8mm HTD belts for the dry sump oil system.  If this is similar to what you're doing you may find the pulley is available out there without it having to be made.

RE: HTD Drive Pulley Profile

check in the machineries
handbook.  I remember getting
details about HTD belts and
sprocket guidelines.  Are you
designing a special sprocket?
Goodyear did have a manual for
hobbing or shaping sprockets.

RE: HTD Drive Pulley Profile

(OP)
Thanks everyone, I was able to find what I needed on the RMA website. I was able to order a copy of the standards which had all the info I needed. Thanks again!

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