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MACS header for MCM

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Old 06-02-2003, 08:27 PM
  #1  
Bad Driver
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Default MACS header for MCM

Hi,

I'd be very grateful if someone could give me the dimensions of the MACS header ('manifold' over here ) as I'd like to try a mousse can muffler and am sure it'd be cheaper to souce the parts over here in England.

Dims required are internal/external diameter of tubing, length and distance from mounting face to tube (I think that last one is given in MACS catalogue).

Many thanks,

B.D.
Old 06-03-2003, 12:24 AM
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rsieminski
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Default MACS header for MCM

What size engine? The length of tubing will be different depending what rpm/engine/prop/fuel you're running.
Old 06-03-2003, 01:38 PM
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Bad Driver
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Default MACS header for MCM

DOH ! :stupid:

Very good point there rsieminski !

It'll be for an OS 46SF (actually a LEO 46 which is a Chinese copy). Prop & RPM I don't know yet. Fuel wil be 10% Nitro, 20% Synthetic. It'll be for a Fun-Fly design rather than speed.

I don't want the 'tuned length', just the dims of the original before tuning so I can find an equivalent over here.

(MACS part# 2590)

Cheers !
Old 06-04-2003, 12:26 AM
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m.gramling
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http://www.macspro.com/headers_side.asp

This might help a little. I had a catalog but i can't find it. If I run across it, I will let you know. but the O.D. (outside diameter) of header is 3/4 inch

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