Greetings all from S.W.France.
A short while back I posted a few comments regarding the new Evo 60 C/L . Well , yesterday was 'judgement day' , first flight. Here's my impressions so far :
After a careful running-in regime comprising around 20 , short , fast , rich'ish runs , we installed the Evo into an airframe.
I'd been fascinated by Bradley Walker's great article in CLW suggesting the use of a 'lightweight' large engine, run in a 'cool' mode and installed in a smaller airframe , normally powered by a smaller engine.The Evo weighs in at 12 oz. according to our kitchen scales.
Encouraged by Bradley's article the Evo went into a 47 oz , around 580 sq. inch 'plane which used the ribs , moments etc from the Brodak Cardinal . A great airplane in my opinion. I have one with an ST 51 [ tuned to perfection by Mr. Tom Dixon ] .
My initial set-up was :
Fuel with 23% lube' with around 19% castor , 4% synthetic , Zero nitro. Nitro is VERY expesive here
APC 12X5 prop'.
Plastic tank , uniflow , no muffler pressure.
Tongue muffler , with extra holes drilled.
Smaller venturi fitted.
3 and a half turns open on the needle.
One flipped choke only.
At the second flick , she was away and settled into a 'cool mode' 4-stroke at around 9,300 .
I'd only filled the tank half full just in case anything went amiss but the Evo held rock steady until the fuel expired.
I need to trim the 'plane , line rake needs adjusting as there's too much line tension etc.
So first impressions regarding this fine engine ?
I deal for me , a ' Sunday' flier as it's docile , easy to set-up , holds it's setting , hand starts with no problem.
I only had one short flight as it became a bit blustery and I'm a pretty lousy pilot in the wind.
Fianlly , what a great value package .... Two venturis [ I'll only use the smaller one ] , two mufflers plus the usual allen keys.
Get those orders in now ! I got mine from Randy in double quick time , great service thanks.
That's all folks at the moment . I'll keep posting as we get better aquainted with this smashing [ English venacular - great ! ] engine ,
Kind regards from S.W France ,
Robin [ Ex-pat Brit' in the Charente full of ex-pat Brits' ] .