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Old 05-08-2012, 05:17 PM   #91
MTrider16
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It looks tough to mass produce. But you seem to be having fun, which is all that matters. It will be nice to hear the results when it is done, whether one week or six.

Fly safe, break a leg, or whatever you pilots tell each other.

-David
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Old 05-08-2012, 05:42 PM   #92
ebrabaek OP
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Quote:
Originally Posted by MTrider16 View Post
It looks tough to mass produce. But you seem to be having fun, which is all that matters. It will be nice to hear the results when it is done, whether one week or six.

Fly safe, break a leg, or whatever you pilots tell each other.

-David
.... Break a wing...or so....After 1800 miles of thunderstorm bashing..... I'm enjoying a relaxing night at the res. in ...in Vegas...Your right...... It is a blast to make these things..... Mostly...to see not if... but what it would take to do this. When people remind me of the enormous time constraint..... I remind them that...( inthis case).... I just designed, and produced a muffler from ground up....in a matter of .....hmmmmm.... about....60 hrs to date..... not bad. I don't know what the going r/d is for a new muffler..... But ... I'm sure I can compete.... and as you correctly acknowledged David..... I' having a blast at it. I think that there is a way to achieve the perfect pipe......with great sound.... Read low....and enjoy the benefits of an open system. Of course...this is only the first step.....as perhaps...headers.....PC-5, with AT..... etc....would be great later added on.

Erling
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Old 05-09-2012, 07:38 AM   #93
rediRrakaD
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Tip shape suggestion...
Dodecagon
Fun to follow these builds of yours. We really do get the sense you're having a blast!
S.
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Old 05-09-2012, 03:08 PM   #94
ebrabaek OP
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Man.....I had to look up that word........ I think it would be very hard to get all those angles correct, as they would be sanded into shape........I know I would mess that up......



Erling
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Old 05-10-2012, 04:40 PM   #95
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Just got a phone call from my wife that the packing from MRD Racing came in..... awesome.....as perhaps this weekend.....or if I get delayed....this early next week should yield a first run....... Whoooeeeeee...

Erling
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Old 05-12-2012, 01:36 PM   #96
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Alright... Back at it for only one hr.... then MD tomorrow.... fraid it will be Monday before I get going again. Should run at or about Wednesday..... Centered the core in the shell......with the aid of a foam plug....


Then after much thinking...... and many sleepless nights.... I finally settled on this exit. I had these in mind...: dual exit holes... I really wanted this one....but were afraid what it would do to performance. I did not want to risk it, and have to make a new end cap. Same shape as the cone..... looked funny when I drew it.... then finally this one.... It won..... Sort of like a diamond Cross.....
Scribed with a scalpel...


Then cut caaaarrreeeefully with a Dremel.....



Sorry folks....that's all until Monday.... Now go buy some flowers for your Mother....or wife...or both....
Until then....

Erling
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Old 05-12-2012, 03:52 PM   #97
gbtw
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yea i wouldn't have tough you would go for that shape :)
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Old 05-12-2012, 09:01 PM   #98
ebrabaek OP
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yea i wouldn't have tough you would go for that shape :)
...... It would have been tough to make...looking good that is....

Erling
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Old 05-14-2012, 11:09 AM   #99
ebrabaek OP
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Making the exit pipe was a pain in the a$$..... It took me 3 hours....and about 7 tries. I had to turn my noggin into a cnc machine..... good grief.....trying to make a round foam pipe 4 sided....and have it fir inside the exit cap....mating to the core.....grrrrrrr..... Anyway... Got it.....


Then CF tape, which does not confirm as well as the fabric sheets itself... But you can tug on it....... 3 layers....and the mechanical outer mold in place........ ( read electrical tape)




Erling
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Old 05-14-2012, 12:04 PM   #100
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:) yea that would be hard shape

i have some expierence in low poly 3d modeling ( for games :P )

gbtw screwed with this post 05-14-2012 at 12:16 PM
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Old 05-14-2012, 02:07 PM   #101
ebrabaek OP
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:) yea that would be hard shape

i have some expierence in low poly 3d modeling ( for games :P )
Yeppers..... This shape would be all but impossible with out the electrical tape.....

Erling
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Old 05-14-2012, 02:11 PM   #102
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One exit pipe later......



This would satisfy most.... But I decided to build up the inside with 3 layers of 5.7 oz (3K) twill and one on the outside.....purely for aesthetics reasons.... That way I can file it straighter, as there were some small voids after the first tape.... Like said... It would work fine....and it is covered by the end cap.... But..... ohhhh well.....


Curing for one hr.....

Erling
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Old 05-14-2012, 02:14 PM   #103
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Forgot to mention....... How to lay up sheets of fabric inside a pipe...... Saturate the inside of the pipe..... then roll one sheet of cloth up in a little sausage shape...... then insert it in the pipe.....SLOWLY..... unrolling it, while you massage it into place...... gangsta style....

Erling
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Old 05-15-2012, 05:41 AM   #104
rattis
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b.st.rd
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Old 05-15-2012, 07:05 AM   #105
ebrabaek OP
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b.st.rd
Yaman....



Erling
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