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Old 05-07-2009, 01:59 PM   #31
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Originally Posted by seaball View Post
obviously, the front is easy. here's your rear:

http://www3.omnimodels.com/cgi-bin/w...I=CEGC1104&P=0
Not sure how that would be my rear belt, which is 57T - that link is for a 171T belt

the Tamiya 416 belts are probably how I would go, exact same # of teeth for the front and 1 extra for the rear that I can probably mitigate with the rear belt tensioner...
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Old 05-07-2009, 02:02 PM   #32
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Not sure how that would be my rear belt, which is 57T - that link is for a 171T belt
rats. i saw the pic of the small belt, and assumed the text was incorrect (in that it was actually 171mmm long). back to the drawing board ...
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Old 05-28-2009, 01:56 AM   #33
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It is ok if I use rear belt from Yokomo BD for AE TC5R? I snapped
my rear belt yesterday. Has anybody tried this?
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Old 02-05-2010, 04:42 AM   #34
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This thread is such a good idea. I might add a few lenghts later but my cars are old an unpopular so I guess it won't be that useful.

A similar idea started on a Belgian forum, was to aggregate all the existing MIP CVDs lenghts in a single place. It is a bit more complex because you need precise calipers to do that, and you have to agree on everyone giving the same mesurement ( from pin center to pin center would be the smartest, obviously.)

Also, you have to give the measurements in metric and indicate for each model, the material and diameter of the pin, if it requires pin cushions (blades) or not, etc... still it's a great idea and if I have the opportunity I'll start a thread about it.
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Old 02-05-2010, 06:20 AM   #35
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I have been getting losi weapon belts custom made for some time. If I was able to get some of these made, would anyone be interested? It may be a bit of a stretch though as the lengths and tools needed are proprietary. I will ask though if anyone is interested.

Josh
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Old 02-06-2010, 06:39 AM   #36
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I counted the teeth on the following Tamiya cars so I know these are accurate:

Original Belts on TRF415 is 167 Front & 59 Rear
TRF415 MSX MRE is 168 Front & 60 Rear (Also for the MSXX and MSXX MRE)
TRF416X is 172 Front & 59 Rear

It would be nice if Tamiya would put the teeth in the Instruction manuals and on their header card on the packages per part number just like the pulleys.


Some of the Low Friction belts they released should be the same number of teeth as it is an option part in most cases, but I heard some people say they are 1 less tooth sometimes. Wouldn't make sense to me, just should be different material.
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Old 02-07-2010, 05:17 PM   #37
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Quote:
Originally Posted by asw7576 View Post
The belt manufacturers like bando and mitsuboshi, they sell their belts by 1 sleeve. 1 sleeve can be cut into 70 to 90 belts, depending on the width you want to be cut. The retailer have the cutting machine.

If you have group of friends willing to buy 5 belts at once, you'll be surprice each belt only cost you few dollars.

Most RC belts are coded S3M XXX, S3M means 3mm pitch, and XXX means the total length of belt in mm. Divide the length ( XXX) by 3, and you get the number of teeth.


Everyone, please be careful.
The S in the S3M is very important. It stands for STD (Super Torque Drive) and it refers to the profile of the teeth. There are many other profiles available as well sech as Omega, HTD and RPP. If you use one of these other profiles they may not work as well as the STD and will almost certainly induce alot more friction on the drive.

STD belts are mainly made in Asia by companies like Bando and hence you will find them in alot of Asian machinery, but they are not so common in other parts of the world. More common in other parts of the world are HTD and Omega profiles.

Now just so you don't think that this guy doesn't know anything, I work in the industry and sell hundreds of both vee and timing belts everyday.
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Old 02-07-2010, 09:19 PM   #38
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yeah, there are different tooth profiles, but i've never had a problem mixing and matching tooth profiles. in theory, it's not great, but in practice i haven't found it to be a big issue with most pulleys. durability and performance have not been a problem over the years when i've done this. the exception being the fenner fht-3 belt profile on the soft tamiya 415 pulleys. over time, the belt did wear the teeth funny. still, ran fine on the track, though. (but fenner's urethane is very hard)

generally, driveline friction is not really anything to be worried about in on-road. (unless it's out of hand)
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Old 02-08-2010, 08:35 AM   #39
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Quote:
Originally Posted by fatbear View Post
Everyone, please be careful.
The S in the S3M is very important. It stands for STD (Super Torque Drive) and it refers to the profile of the teeth. There are many other profiles available as well sech as Omega, HTD and RPP. If you use one of these other profiles they may not work as well as the STD and will almost certainly induce alot more friction on the drive.

STD belts are mainly made in Asia by companies like Bando and hence you will find them in alot of Asian machinery, but they are not so common in other parts of the world. More common in other parts of the world are HTD and Omega profiles.

Now just so you don't think that this guy doesn't know anything, I work in the industry and sell hundreds of both vee and timing belts everyday.
You are absolutely right. I just talked to my belt maker and he said the tooth spacing was very odd for these, but we are going to see if we can get something close enough. Material does play a huge role. We will see. I'll take the 3 most popular and go from there.

Josh
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Old 02-10-2010, 03:34 AM   #40
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What about Team Magic E4 belts? Anybody knows the sizes?
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Old 03-01-2010, 11:52 PM   #41
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What brand car uses the better/worse RC belts?
or are they more or less all the same
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Old 03-02-2010, 12:09 AM   #42
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I don't see Losi Type R on your list...
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Old 04-05-2010, 01:30 PM   #43
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would be great to update the list with sizes of new cars available now.

HB Cyclone (169/62) (3.0mm)
HB Cyclone TC (170/63) (3.25mm)
Yokomo BD (172/63) (3.0mm)
Kyosho TF5 (149/74) (3.0mm)
TRF 415(169/59) (3.0mm)
TRF 416 (172/58) (3.0mm)
AE TC5 (172/64) (3.5mm)
RDX/Phi (169/62/70/71) (3.0mm)
Mi2/3 (171/60) (3.6mm)
S400 (167/59) (3.5mm)
Robitronics Avid (185/62) (3.00mm)
TOP Racing Scythe 15/33t pulleys (130/94 ) (3mm)
TOP Racing Scythe 17/33t pulleys (131/95 ) (3mm)
Robitronics Avid (185/62
TRF 415/416 (169/170/59/60)
TRF 415(169/59) (3.0mm)
TRF 416 (172/58) (3.0mm)
Xray T1/ T2 / 007 (169/60) (3.0mm)
Xray T2 008 (169/61) (3.0mm)
TC5 (172/63) (3.75mm)
RDX/Phi (169/62/70/71) (3.0mm)
Mi2/3 (171/60) (3.6mm)
S400 (167/59) (3.5mm)
Kyosho TF5 (149/74) (3.0mm)
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Old 10-13-2010, 11:35 PM   #44
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Quote:
Originally Posted by Thirtybird View Post
Great resource! I've been trying to source belts for my car as the oem belts are no longer available in the US!

I'll add one, and will probably be the only one to care it's on the list :

Kawada SV10 Alcyon (172/57) 3.0 mm
you are wrong there
for the Sv10 alcyon
rear belt S3m171 -57 teeth
front belt S3M516 - 172 teeth
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Old 10-13-2010, 11:36 PM   #45
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Quote:
Originally Posted by razzor View Post
would be great to update the list with sizes of new cars available now.

HB Cyclone (169/62) (3.0mm)
HB Cyclone TC (170/63) (3.25mm)
Yokomo BD (172/63) (3.0mm)
Kyosho TF5 (149/74) (3.0mm)
TRF 415(169/59) (3.0mm)
TRF 416 (172/58) (3.0mm)
AE TC5 (172/64) (3.5mm)
RDX/Phi (169/62/70/71) (3.0mm)
Mi2/3 (171/60) (3.6mm)
S400 (167/59) (3.5mm)
Robitronics Avid (185/62) (3.00mm)
TOP Racing Scythe 15/33t pulleys (130/94 ) (3mm)
TOP Racing Scythe 17/33t pulleys (131/95 ) (3mm)
Robitronics Avid (185/62
TRF 415/416 (169/170/59/60)
TRF 415(169/59) (3.0mm)
TRF 416 (172/58) (3.0mm)
Xray T1/ T2 / 007 (169/60) (3.0mm)
Xray T2 008 (169/61) (3.0mm)
TC5 (172/63) (3.75mm)
RDX/Phi (169/62/70/71) (3.0mm)
Mi2/3 (171/60) (3.6mm)
S400 (167/59) (3.5mm)
Kyosho TF5 (149/74) (3.0mm)
are all these belts 3mm pitch? what does the 3.6mm or 3.5mm means..the width ?
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