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Quest and Kyosho Kyosho Caliber, Kyosho Helicopters


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Old 03-18-2007, 09:29 AM   #1 (permalink)
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Default Cal5 Muffler?

Has anyone tried a different pipe on the Cal5..?..For a stock muffler,its above average in my opinion,but wondering if anyone is getting more revs with an aftermarket pipe..Also a quick note..I just got back from the B-Ham show in Alabama..I had the only known Cal5 down there..We need to promote this heli..There is another topic in the works..lol
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Old 03-18-2007, 11:45 AM   #2 (permalink)
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I don't feel the need for a new muffler yet.
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Old 03-18-2007, 01:26 PM   #3 (permalink)
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I have a cy musle pipe II. In my opinon it just made it quiter and touchy on tunning but It does look better than the stock pipe. I now have the stock pipe back on it and dont realy see a big difference other than sound
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Old 03-18-2007, 01:49 PM   #4 (permalink)
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Getting good results with Funtech HN50R. Quieter, more power. Needs a spacer to give a little more tank clearance though.
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Old 03-18-2007, 01:53 PM   #5 (permalink)
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If even a MP 2 is quieter I might need to save up for a new one soon.
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Old 03-18-2007, 07:05 PM   #6 (permalink)
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I didnt think it was all that loud..lol...Ok..next question..Have any of you tried the 15 tooth counter gear..Im asking because I like to run a very high head speed..The added tooth would give a head speed increase over the stock gear..So far my cal5 is doing pretty well..When doing a caos,it does seem to bleed off a bit too much head speed for a 50..Im trying to get this baby dialed in and rock solid so hopefully flying it at fun flies will generate more people flying them..Im a former Raptor 50 and 60 flier and have to say,I love the Cal5...
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Old 05-15-2007, 02:01 PM   #7 (permalink)
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In my experience, the Hatori JK pipe performs worse than the stock muffler. I get 3 min average more flight time and 1 degree more pitch with the stock muffler. However, when I shared these results in the engine / muffler group, all I could get was ridicule.

I'm runing the OS 50 hyper, 30% nitro, OS #8 plug.

Your mileage may vary.

I don't have any experience with different # of teeth on the main gear. My recollection is that the engine has max torque at 16,000 rpms, which would be 1600 rpms head speed...but the exhaust system may change that...
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Old 05-16-2007, 12:34 PM   #8 (permalink)
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My stock muffler and the 15 tooth gear are getting me a 2000 rpm head speed.Right where I like it..The cali flies hard and great with this set up..
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Old 06-24-2007, 05:52 PM   #9 (permalink)
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Change out to 15 counter gear get your head to 2000rpm and wait till the fat lady sings, awesome power, save the pipe, i have the MPII, the stock muffler is a very as it is.

Invest in radix blades and greed paddles on this bird and watch her fly.
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