<span style="font-size: larger"><span style="font-family: Tahoma">Ok, got a DLE 111, 15 flights, running good grade standard 91 octain pump gas, 40:1 mix with "Redline", the engine has been flawless anda dream so far with loads of power...last time out, got my first flight in, alls good...second flight, the engine would start, idle, and run up to half throttle just fine....try to give anymore than half throttle the engine will choke out an die??? Tryed for an hour, pulled, checked and changed the plugs, checked my fuel lines and supply, checked the carb settings, same thing...starts, idles and runs great up to about half throttle, then chokes out and dies unless you bring it back to half throttle. Up to half throttle, alls good! I'm open to all help and suggestions here??? Thanks </span></span>

Hum! Change battery packs and see what that does. It either that or ignition issues

Have you replaced the stock plugs with CM6 plugs?  if not, ignore everything below, and do so before trying anything else.<div>
</div><div>If you have, then could you be more descriptive than "choke out"?  Does the engine simply quit running?  Does it surge and then quit?  Does it lose power, run rough, and then quit?  Does it burble and then quit?  Does it shut off as though a switch were thrown?</div><div>
</div><div>Any possibility you could post a video of its behaviour?
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also make sure that screen located in the carb is not full of trash.....[8D]

We had a problem starting our DLE 111 after about 300 flights. All of a sudden it would not start, but just run the choke prime out and quit. After working on the engine all day and taken the tank and carb apart we finally decided to take the carb and the plastic mount off. The reed bank is right below the carb. Only need to remove the carb and plastic to check the reed bank out. We discovered the reeds were damaged (ends chipped off). Replaced the reed bank (about $25.00) and the engine started and ran perfect again.

This may not be your problem, but it only takes about 10 minutes to check the reed bank. After our experience, any time the engine begins starting hard or not running properly the first item we are going to check is the reed bank. We now carry a spare reed bank with us at all times.

Ralph White

Good stuff, Ralph...my own is approaching its 300th pretty quick, good to know what to look for and check.

Thanks!
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Pull the carb, tear it down, clean everything, use high pressure air from one of the canned compressed air thingies used for sewing and computers. Use the tiny red directing tube to get onto all the passages.

Depending on the age of the carb, DLE used a sealant around the welch plug that degraded ofver time and flaked away. The flakes, when small enough, would block the high speed passages in the carb, limiting engine operation to half throttle or less.

While you're inside the carb, scrape away any remaining sealant that's found around the edge of the welch plug. Use a toothbrush afterwards to assure that small particulates are clear.

Thanks for all your input here guys. I have started on the basic carb tear down for cleanand inspection. Already tried the new plugs...has a fresh set of Honda CM6's and they checkout good.Will keep you all informedon my findings as I get into this over the weekend. Again thanks toyou all for your responses.