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Old 01-20-2011, 06:54 PM   #91
ebrabaek OP
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Originally Posted by HighTechCoonass View Post
Erling you are a master!
Thank you sir.....



Erling
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Old 01-20-2011, 07:09 PM   #92
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I rarely look over here in the parallel twins forum, cuz I don't have one.
But I gotta say;

GREAT work, Erling!
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Old 01-20-2011, 07:12 PM   #93
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Here are the parallel twins........... Cured...and ready for the next step. Tomorrow....They will be sanded......then de-molded......inside prepped for honeycomb.....and a few strategic placed extra layers of CF for the mounting of the water and fuel 1 gallon Rotopax`s...... And then final layer of Kevlar on the inside.....



Until then........

Erling
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Old 01-20-2011, 07:14 PM   #94
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Originally Posted by JustKip View Post
I rarely look over here in the parallel twins forum, cuz I don't have one.
But I gotta say;

GREAT work, Erling!
Thanks..... They will fit any bike......



Erling
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Old 01-21-2011, 02:56 AM   #95
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Very very nice, Erling!

Also very pleased to see the Fiskars scissors featured. I grew up 25mins from the factory and my friend's wife works at the factory now. Best scissors you can get, IMO.

Now where's my popcorn machine, I've ran out..
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Old 01-21-2011, 05:20 AM   #96
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Very very nice, Erling!

Also very pleased to see the Fiskars scissors featured. I grew up 25mins from the factory and my friend's wife works at the factory now. Best scissors you can get, IMO.

Now where's my popcorn machine, I've ran out..
Absolutely.......... I have tried so many scissors over the years...... And there are some great Kevlar shears out there, but they are very expensive.....and need to be sharpened after a little while...... Fiskars have been part of my family since I was a kid. Regarded very high in Denmark, as well as in other parts of the world. And for $US10 for this model....... It is incredible. Let alone the fact it will cut Kevlar.......

Erling
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Old 01-21-2011, 06:59 AM   #97
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I have some questions about the steps.
I tried to take these steps right out of your picture post.

1) Brush a layer of epoxy on the plug.
2) lay your first layer.
3) then you show "lay up one layer of Kevlar".

Before 2 and 3 do I brush on another layer of epoxy?

4) Next you say "then the final layer".
Is 4 another layer of epoxy, or kevlar?

5)Then into the oven.
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Old 01-21-2011, 08:13 AM   #98
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Originally Posted by towpro View Post
I have some questions about the steps.
I tried to take these steps right out of your picture post.

1) Brush a layer of epoxy on the plug.
2) lay your first layer.
3) then you show "lay up one layer of Kevlar".

Before 2 and 3 do I brush on another layer of epoxy?

4) Next you say "then the final layer".
Is 4 another layer of epoxy, or kevlar?

5)Then into the oven.
6) do you squeegee the excess resin, or do you just "know"
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Mention to HogWild which way the wind is blowing where you're at, wait 20 minutes, and he'll post a picture of the intersection your at and a Google Earth route of how to get there.
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Old 01-21-2011, 09:36 AM   #99
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This answer is for the 2 above posts. The method is the same regardless of the project..... First you brush or roll resin on the object.... In this case a foam plug..... You then lay down the fabric..... Thus wetting it from the inside rather than trying to push the resin through with the brush or roller. I like to massage the fabric with my hands as well. You then repeat the process with resin..... Then cloth..... Which ever many layers are required.... Or if this is the last layer.... Just leave the resin on top. I prefer using a foam roller rather than a brush..... When you put a little presure on it it effectively squeegee's the left over resin out.
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Old 01-21-2011, 03:43 PM   #100
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Eh? Be a dentist for the day......

This is how it must feel...cleaning a cavity.......First the mold was broken off the stand....and cut along the edges...... Be ready for some elbow grease.... The same property`s that we enjoy with Kevlar..... Makes it a challenge to cut.....I use a high tpi metal blade....and sip plenty of espresso whilst at it....


Then from here on...its really up to you..... Spoon.....screwdriver.....dynamite....have at it....


A note here.... The red foam from the depot I used....is great holding up....it`s very hard.....and great for mold building..... But a pain to remove.... Whereas the Styrofoam is easy to remove....but dents easy... So I dug out the big tools......Dentistry anyone???





After a while....it`l look like this.....


Then you "melt" the remaining foam with acetone....and then sanding to rough up for the inside layer......


A very cool thing about the composites.... You can just add strength in areas needed by additional ply`s....... So I marked where the aux tank mount need to be......


Ups......post getting long........
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Old 01-21-2011, 03:55 PM   #101
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Then cut the fancy honeycomb material......



Then make sure you have all materials at hand before you mix the pox...... Honeycomb.....4 layers of CF....1 layer of Kevlar...



Then you wet the area with epoxy..... then the cardboard.......place the cardboard...


Then all layers of composites.....wetting with epoxy in between layers....







Let that dry until it stays in place...... then onward with the other sides....etc....


Another note here....... To conform the composites over the cardboard..... you might need some weights...to hold it down....it just depends..... When it cures....or if you accelerates the cure like I do...by curing in the sun.... then air will expand....and sort of blow up the composites...... then use your imagination.....


By now....you have properly noticed you need to have a passion for this stuff to dive in a project like this..... Don`t let this discourage you..... Not kidding here....it takes time.... But you will be rewarded in the end.....and to me that is worth it all.......

Erling

ebrabaek screwed with this post 01-21-2011 at 04:07 PM
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Old 01-21-2011, 04:13 PM   #102
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Originally Posted by ebrabaek View Post


Wow. All I can say is AWESOME WORK. Looks amazing!
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Old 01-21-2011, 04:20 PM   #103
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[QUOTE=ebrabaek;14999226]Then cut the fancy honeycomb material...... [quote]

why is that not surprising. When laminating molds with CSM, there would be some edges that would have "delam'd" while curing, I'd use a big horse syringe and needle to inject resin into the edges before pulling the mold, and adding a caposil mix to cover it up and let cure. We used to use cereal boxes and plastic tape (with epoxy resin) and modeling clay to make the flanges.
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Quote:
Originally Posted by Dread Pendragon View Post
Mention to HogWild which way the wind is blowing where you're at, wait 20 minutes, and he'll post a picture of the intersection your at and a Google Earth route of how to get there.
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Old 01-21-2011, 04:38 PM   #104
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Wow. All I can say is AWESOME WORK. Looks amazing!
Thanks Griz...... When you make a project this size....It is important to set a few milestones...... or acknowledge when the present themselves.... Today I enjoyed the first of many more to come when I placed the Rotopax behind the box.... I just kind of sat there for a few minutes.....enjoying it.... Since this was the first blink of how it`s gonna look like.....

Erling
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Old 01-21-2011, 04:42 PM   #105
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[QUOTE=beechum1;14999388][QUOTE=ebrabaek;14999226]Then cut the fancy honeycomb material......
Quote:

why is that not surprising. When laminating molds with CSM, there would be some edges that would have "delam'd" while curing, I'd use a big horse syringe and needle to inject resin into the edges before pulling the mold, and adding a caposil mix to cover it up and let cure. We used to use cereal boxes and plastic tape (with epoxy resin) and modeling clay to make the flanges.
Yeppers..... Thermal heat expansion is the biggest trap for Non pressure mold and or vacuum mold..... Many things as you duely noted can be done....but I try to be simple..... Thus the weights......... First one with all the CF went in ok.....the single layer of kevlar had to be weighed...... It does help a bit if you massage the composites into shape...before adding the top layer of resin.....

Erling
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