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Old 01-04-2012, 11:06 PM   #16
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Lei Composites sells 100% Carbon Sheet of 1mm thickness , 400mm×500mm Size at $50 .


1.5mm thickness , 400mm×500mm Size at $65 .


2mm thickness , 400mm×500mm Size at $80 .


Real Product Photo :

Carbon Fiber-cf-twill-2.jpg
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Old 01-05-2012, 09:21 AM   #17
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Originally Posted by welch555 View Post
Lei Composites sells 100% Carbon Sheet of 1mm thickness , 400mm×500mm Size at $50 .


1.5mm thickness , 400mm×500mm Size at $65 .


2mm thickness , 400mm×500mm Size at $80 .


Real Product Photo :

Attachment 857674
how tight is that weave brotha?
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Old 01-05-2012, 09:50 PM   #18
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how tight is that weave brotha?

Each layer is 0.25mm thickness and weave pattern can be seen by big photoes .


Can you tell me your email ? I can show you .

thanks
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Old 01-05-2012, 09:59 PM   #19
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http://www.hobbyking.com/hobbyking/s...idCategory=168

Not sure how big you're looking for but some nicely priced 300mm x 100mm sheets in different thicknesses.
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Old 01-05-2012, 10:02 PM   #20
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Originally Posted by modelfan View Post
http://www.hobbyking.com/hobbyking/s...idCategory=168

Not sure how big you're looking for but some nicely priced 300mm x 100mm sheets in different thicknesses.
Cann't open the website . you can open the site ?

is HK 's carbon 100% carbon made ?
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Old 01-05-2012, 10:04 PM   #21
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Originally Posted by welch555 View Post
Cann't open the website . you can open the site ?

is HK 's carbon 100% carbon made ?
The link doesn't work for you? Works ok here. The link should show all their carbon fiber products, including the raw stuff used to create it.

In any case I just copied this from one of their descriptions:

100% real woven carbon fiber sheet.
Excellent for reinforcing a fuselage or bulkhead.
Extremely strong yet very light.
Can be cut with a bandsaw, jigsaw or hacksaw (use a metal blade).
Thickness: 1.5mm
Size: 300x100mm
1 sheet included.


ATTENTION.
This is 100% Carbon Fiber from the first to the last layer.
There is no glass fibers in this product.
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Old 01-05-2012, 10:12 PM   #22
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Carbon fiber come in 2 type 3k and 1k.

The 3k plain weave is what the RC industry mainly use

The 1k is a tighter weave and is stronger but much more expensive.

I sell 3k 9"x12" 2.5mm thick for $50 USPS shipped
3.0mm $60 shipped
4.0mm $70 shipped

I also have 18x24 if anybody need it.

All of my carbon is 100% carbon fiber if any of you guys bought any of my shock towers you will know how strong
it is, ask anyone who have use SNR Graphite Products. I have made Prototype towers for HPI, Associated, Losi team drivers.

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www.snrgraphite.com
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Old 01-05-2012, 10:24 PM   #23
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Quote:
Originally Posted by SNR Graphite View Post
Carbon fiber come in 2 type 3k and 1k.

The 3k plain weave is what the RC industry mainly use

The 1k is a tighter weave and is stronger but much more expensive.

I sell 3k 9"x12" 2.5mm thick for $50 USPS shipped
3.0mm $60 shipped
4.0mm $70 shipped

I also have 18x24 if anybody need it.

All of my carbon is 100% carbon fiber if any of you guys bought any of my shock towers you will know how strong
it is, ask anyone who have use SNR Graphite Products. I have made Prototype towers for HPI, Associated, Losi team drivers.

Steve
www.snrgraphite.com

Maybe the HK 's site 's Server is at USA , So i 'm unable to open the site somehow .

Steve , You make rc parts ? frame parts ? you produce CF yourself or ?

My CF is 400mm×500mm Size


lei
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Old 01-05-2012, 10:27 PM   #24
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Quote:
Originally Posted by modelfan View Post
The link doesn't work for you? Works ok here. The link should show all their carbon fiber products, including the raw stuff used to create it.

In any case I just copied this from one of their descriptions:

100% real woven carbon fiber sheet.
Excellent for reinforcing a fuselage or bulkhead.
Extremely strong yet very light.
Can be cut with a bandsaw, jigsaw or hacksaw (use a metal blade).
Thickness: 1.5mm
Size: 300x100mm
1 sheet included.


ATTENTION.
This is 100% Carbon Fiber from the first to the last layer.
There is no glass fibers in this product.

What 's the Price of 300mm×100mm Size , 1.5mm thickness if i may ask ?

they ship via UPS ?
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Old 01-05-2012, 10:34 PM   #25
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Originally Posted by welch555 View Post
What 's the Price of 300mm×100mm Size , 1.5mm thickness if i may ask ?

they ship via UPS ?
Here are the prices for all their thicknesses:

$10.79 for 1mm thick
$13.99 for 1.5mm thick
$17.95 for 2.0mm thick
$19.99 for 2.5mm thick

They don't use UPS. They use EMS or International Parcel.
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Old 01-05-2012, 10:56 PM   #26
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Quote:
Originally Posted by modelfan View Post
Here are the prices for all their thicknesses:

$10.79 for 1mm thick
$13.99 for 1.5mm thick
$17.95 for 2.0mm thick
$19.99 for 2.5mm thick

They don't use UPS. They use EMS or International Parcel.
Cann't understand why they cut CF into such small Sizes
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Old 01-05-2012, 11:13 PM   #27
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Originally Posted by welch555 View Post
Cann't understand why they cut CF into such small Sizes
Yeah, I wondered the same thing when I first stumbled across it. Even still they look ideal for making braces and stiffening up weak areas. I came across it when I was looking to make a custom transponder mount.
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Old 01-06-2012, 02:15 AM   #28
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Originally Posted by gkraios View Post
KCI (Kinetic Composites Inc.) - http://www.kcinc.com

They used to supply the material for most major manufacturers (and still might, but I've been out of the game for 10 years or so). If he doesn't have what you're looking for, lmk and I may have some other options.

Hope that helps!
+1

If your making chassis, shock towers, pod plates, etc. you want to make sure you buy the right stuff. The standard material used in the RC industry for cars is Quasi-isotropic plain weave pressed material. Typically it comes in 2mm, 2.5mm, 3mm, 4mm and custom thicknesses. The material is made up unidirectional carbon fiber sheets arranged at 0 degrees, +45d, -45d, and 90d with a top and bottom layer of plain weave. The material is pressed at greater than 200psi and cured. The end result is semi/gloss finish and a material that bends the same in all directions. The material machines excellent with very good edges. Check out http://www.kcinc.com/solidpanels.htm for more info. KCI's prices are less than half per square foot than anyone I have seen and the material is top notch. I have heard of some people using bi-directional plain weave to vary chassis torsional stiffness.

High gloss twill single and double sided. The material is very pretty but bends differently in either direction. This material is typically layed up by vacuum bagging on glass at one atmosphere (14psi). The end result is beautiful but not very good for chassis or structural RC car parts. Machinability varies from good to a real pain in the ass. This stuff tends to fray easier and produce high and low spots on the edges as you machine across the grain. The double sided stuff is usually two sheets bonded together and not good for RC. I have also machined other vacuum bagged material with satin finish, rough finish, and multiple different weaves. They each have their own machining characteristics but for the most part machine about the same.

In general for RC cars avoid any material that is not pressed. I machine about 40,000 parts a year out of FR4/G10 and carbon fiber. The biggest challenges I face are getting a consistently good cut with vacuum bagged material especially thicker twill sheets (1mm+). G10 and Quasi are relatively easy.
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Old 01-06-2012, 04:09 AM   #29
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Quote:
Originally Posted by Troy Mckune View Post
+1

If your making chassis, shock towers, pod plates, etc. you want to make sure you buy the right stuff. The standard material used in the RC industry for cars is Quasi-isotropic plain weave pressed material. Typically it comes in 2mm, 2.5mm, 3mm, 4mm and custom thicknesses. The material is made up unidirectional carbon fiber sheets arranged at 0 degrees, +45d, -45d, and 90d with a top and bottom layer of plain weave. The material is pressed at greater than 200psi and cured. The end result is semi/gloss finish and a material that bends the same in all directions. The material machines excellent with very good edges. Check out http://www.kcinc.com/solidpanels.htm for more info. KCI's prices are less than half per square foot than anyone I have seen and the material is top notch. I have heard of some people using bi-directional plain weave to vary chassis torsional stiffness.

High gloss twill single and double sided. The material is very pretty but bends differently in either direction. This material is typically layed up by vacuum bagging on glass at one atmosphere (14psi). The end result is beautiful but not very good for chassis or structural RC car parts. Machinability varies from good to a real pain in the ass. This stuff tends to fray easier and produce high and low spots on the edges as you machine across the grain. The double sided stuff is usually two sheets bonded together and not good for RC. I have also machined other vacuum bagged material with satin finish, rough finish, and multiple different weaves. They each have their own machining characteristics but for the most part machine about the same.

In general for RC cars avoid any material that is not pressed. I machine about 40,000 parts a year out of FR4/G10 and carbon fiber. The biggest challenges I face are getting a consistently good cut with vacuum bagged material especially thicker twill sheets (1mm+). G10 and Quasi are relatively easy.

WOW ! You machine 40,000 Parts per year ? How much Money value would worth for that so many Parts ?
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Old 01-06-2012, 06:11 AM   #30
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Quote:
Originally Posted by Troy Mckune View Post
+1

If your making chassis, shock towers, pod plates, etc. you want to make sure you buy the right stuff. The standard material used in the RC industry for cars is Quasi-isotropic plain weave pressed material. Typically it comes in 2mm, 2.5mm, 3mm, 4mm and custom thicknesses. The material is made up unidirectional carbon fiber sheets arranged at 0 degrees, +45d, -45d, and 90d with a top and bottom layer of plain weave. The material is pressed at greater than 200psi and cured. The end result is semi/gloss finish and a material that bends the same in all directions. The material machines excellent with very good edges. Check out http://www.kcinc.com/solidpanels.htm for more info. KCI's prices are less than half per square foot than anyone I have seen and the material is top notch. I have heard of some people using bi-directional plain weave to vary chassis torsional stiffness.

I see from your website that you also Machine Phenolics ? phenolic cotton sheet ? or ?

High gloss twill single and double sided. The material is very pretty but bends differently in either direction. This material is typically layed up by vacuum bagging on glass at one atmosphere (14psi). The end result is beautiful but not very good for chassis or structural RC car parts. Machinability varies from good to a real pain in the ass. This stuff tends to fray easier and produce high and low spots on the edges as you machine across the grain. The double sided stuff is usually two sheets bonded together and not good for RC. I have also machined other vacuum bagged material with satin finish, rough finish, and multiple different weaves. They each have their own machining characteristics but for the most part machine about the same.

In general for RC cars avoid any material that is not pressed. I machine about 40,000 parts a year out of FR4/G10 and carbon fiber. The biggest challenges I face are getting a consistently good cut with vacuum bagged material especially thicker twill sheets (1mm+). G10 and Quasi are relatively easy.

I see from your Website that you also Machine phenolics , Is it phenolic cotton sheet ?
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