I just got off the phone with Desert Aircraft inquiring into the projected ship date of my DA50R. I was told that they expect to ship this Friday or the following Monday. Was also told they have enough parts to ship around 400 units, so everyone on the list thus far should get their engine! Mufflers are also in stock. Expect a phone call from Desert Aircraft soon! Hurray!

Performance Specs

22X8 7300 RPM
22X10 7100 RPM
24X8 6400 RPM

I believe all props tested were Mejzlik. This thing should just hum!

Not to start a war or anything but I thought these DA50r's were supposed to be much more powerful than the "other" 50cc engines. Just a FYI, my BME 50 was turning a 22 x 8 MA Scimitar at 7300 RPM the first time I started it up! I still only have about a gallon through it so I have not checked since then.

I agree with the above. I am on the list to receive on of these but I had a zdz40 that would turn a zinger pro 20X10 at 7200 and a 22X8 at 6900. Sounds like something's wrong here.

yes but what will they turn a Mejzlik, yes the others are similar I agree but definatly not the same as a Mejzlik. Also what is the weight of the bme? I also do dot like where the carb is on the BME i like the rear induction carb like the da and zdz.

Don't know what the load difference would be but I'm sure it's probably more. I have a zinger pro 22X10 and a bambula 22X10 that I bought for this engine. I have a good stand so I will be ready to run it the day I get it.

Well, BME do not even have the 50 on their website only to 44. From chiefaircraft.com the engine weighs 3.3 lbs and the muffler is 3.5 ounces. They do not say if that is with the ignition or not though and Im not about to pull my engine to find out.

I will be getting a 22 x 10 Mejzlik tomorrow so I will post my tach readings this weekend.

Mejzlik's are easier to turn than say a Menz "S" or the Bambula props, these are NOT comparable loads. There also heavier in most cases.

The rpm numbers posted above are what was published mid last year on this engine. Very respectable, but not the best for this engine size...

which one is heavy the Menz?

The Mejzlik is the heaviest compared to the wood props. The max RPM should not change much by the weight of the prop. I think the weight of the prop affects the spool speed from idle to full.

which one you recommend me to a g45??? Menz or Mejzlick???

For me, I would go for the Menz for 3D or normal flying. For IMAC/SCAT flying, would go for the Mejzlick for better braking on downlines. I'm no expert in prop selection but this is what I see experience flyers do in local IMAC competition.

3dflyer I thought the rpm figures were for Menz S props which would be much better.

I believe all props tested were Mejzlik from my telephone conversation with DA. Call them if you want - (520) 722-0607.

I personally think it is going to be a great engine. I hear guys raving about other engines. In todays world, it is possible to have multiple manufacturers building engines with similar power. How much more power can you get out of a 50CC engine anyway without harming the reliability? I have not seen anywhere where DA claimed excessive performance figures to make people think this engine is more powerful than it is. Another thing, we will all have to wait and see how the engine really runs. Never know, the performance figures released could be conservative.

I have looked at ZDZ, Brison, BME, and DA. I just like the DA. It's made in America, support is great, and lots of the top dogs have them. I am not saying anything negative about the others. It's just my preference. I think it will be worth the wait and during this time of year, the plane can just sit until the engine arrives.

I will probably use a 22x10 Menz or 3W prop. I will also try the 24x8 and see how it does.

Actually in this size range none of the top dogs use them, but I'm sure it will be a good motor.

What I meant was the brand of engine, not the size.

Ha Ha mine is on the way also. Talked to Dave Johson last evening they will be shipping next week. The 22x10 Menz is his choice for 3D due to faster wind up. The Menz is also half as much as the Mejzlik.

Is really the DA more powerful than the ZDZ 50??? anyone experience with both of them? I would like to buy one of this too a near future. thats why i am asking.. thanks in advance..

HOW MANY TOC PILOTS USE ZDZ ENGINES? 15 OUT OF 21 USED DA !!! ENOUGH SAID.

THATS RIGHT

Very well put!!!

wow those were pretty fast replies.. sorry for asking though

Does ZDZ make an engine big enough for the TOC size airplanes?

Shouldn't this be in the Engine Forum rather than the ARF Forum? Prepare yourselves for the transition...

you are exactly right, plane insane??? when i first asked i was referring only to the ZDZ 50 versus DA 50..... i know the DA 100 is more powerful than the ZDZ 50...

zdz 80 twin, zdz 120 twin , zdz 160 twin, zdz 210 twin... these seem big enought but yet why not in toc...
simply put in these type aircraft DA has the best power to weight ratio and are the most reliable engines out there... IMO.