Re: **Black Lynx Engine Giveaway** Cox Engine of the Month (2017)

balogh Sun Jan 21, 2018 9:55 am

getback wrote:Nice run balogh I remember the Pet you do owe us a vid on that .........

Eric, Mauricio,

I set up a garage run for one of my COX 010-s equipped with the PET (Proportional Exhaust Throttle, patented by the late and great Roger Freiheit) under the rather rudimentary conditions of my garage, and here is what I managed. Top speed was around 23.3k (cold weather and only 20% nitro in the fuel), and stable idle was reached somewhere below 13k while the engine stopped when fully throttled around 11k.

A number of conditions including fuel supply (the balloon tank works well for the 049 and 09 engines of proper suction power), nitro content, and daytime temperature should improve before an authentic and reliable test can be concluded.

MauricioB Sun Jan 21, 2018 3:02 pm

balogh wrote:
getback wrote:Nice run balogh I remember the Pet you do owe us a vid on that .........

Eric, Mauricio,

I set up a garage run for one of my COX 010-s equipped with the PET (Proportional Exhaust Throttle, patented by the late and great Roger Freiheit) under the rather rudimentary conditions of my garage, and here is what I managed. Top speed was around 23.3k (cold weather and only 20% nitro in the fuel), and stable idle was reached somewhere below 13k while the engine stopped when fully throttled around 11k.

A number of conditions including fuel supply (the balloon tank works well for the 049 and 09 engines of proper suction power), nitro content, and daytime temperature should improve before an authentic and reliable test can be concluded.

Thank you very much Andras for sharing and taking the time to make the video, it would be interesting to make those adjustments that you mention and thus establish the real performance of this PET accessory.

Brad has modified an engine of his property by making an acceleration ring, stop doing very well, it would be very good to see the results in comparison.

All this for those of us who are very interested in the R / C RC Plane

AmpAbuser
Publicado el 1 feb. 2016
Cox TD.010 with throttle sleeve
20% nitro and oil / Static Max 28,082 rpm.
Best reads 11.7k idle
Cox .010 prop modified

russ landreth Thu Mar 01, 2018 9:44 am

is this over with matt or are doing it again this year thanks

**Admin** Thu Mar 01, 2018 9:46 pm

russ landreth wrote:is this over with matt or are doing it again this year thanks

The next drawing will be held in June. It will be amongst the January - June Cox Engine of the Month winners. The drawing that includes all participants (including those who have entered pictures but didn't win Cox Engine of the Month) will be held at the end of the year. So, get your pictures taken and submitted!

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