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Moki gas engines - 7/1/2002 3:29 PM   
peso


 

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Status: offline 		Moki is a well-known methanol engine. But there are also Moki gas engines that look very nice. Some of them have front carburetors that should make them easy to mount. They are also quite light.
It would be interesting to know if anyone has experience of these engines.

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Moki Gas Engines - 7/1/2002 6:20 PM   
paero-RCU


 

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Status: offline 		The Moki glow engines are made in Hungry. The so called Moki gas engines that are out now are made in Germany. Not the same company. Moki of Hungry is working on a gas version, but haven't heard about when it will be available.

Don't know much about the German Moki (gas), but before you buy one, ask about the availability of parts. Last I heard there were almost none available in the US.

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Moki gas engines - 7/1/2002 9:12 PM   
peso


 

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Status: offline 		Are you sure. According to Amelung who sells these engines even the gas engines are made in Hungary. Maybe this is new.

Look at http://www.zdz-motor.de/index.html?lang=en-us

/PO

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German Moki's - 7/1/2002 9:26 PM   
paero-RCU


 

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Status: offline 		I've looked at the web site and agree that we're told they are made in Hungry. All I know is this: they are not made in the same factory that the two stroke Moki's are made in and they are not the same company.

I'm good friends with Jim Gerard the Moki USA guy. In fact if you seen him at Toledo I've been with hem the last 5 years in the booth.

Jim is the importer of the Moki two strokes and in fact hold's the US Trademark for Moki.

I'm not sure of all the deatails, but I do know that any engines that are imported into the US with the Moki name should be done through an agreement with Jim.

I'm sure you can buy from the German company direct and bring in some engines as a retail customer. But my point was, before you do, check out parts availability and service. This last April when we were at Toledo there was someone selling the German Moki and told someone that had one and needed parts that he didn't have any and couldn't get any either.

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Moki gas engines - 7/1/2002 11:04 PM   
NM2K


 

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Status: online 		The deal between a distributor and a manufacturer has absolutely no bearing upon what you or I do. We have an agency in the US government that sees to little things like that. It is called the Fair Trade Commission.

If I owned a hobbyshop, I would not be obligated to buy through the national distributor, as I am not a party to their agreement. Saying otherwise won't make it so, and having the "trademark" is just so much baloney.

Companies hoping to play this card in the US would better spend their time by focusing on providing their potential customers with better service and LOWER prices. After all, lower prices is why their potential customers were looking for a better deal to begin with.

In the day of the internet and global shopping, counting on an exclusive distributorship to provide you with the right to charge exhorbitant prices for a product available elsewhere, is simply ridiculous.


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Moki gas engines - 7/1/2002 11:14 PM   
paero-RCU


 

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From: Oconomowoc, WI, USA
Status: offline 		ED, you are absolutely correct. All I'm saying is that one should not confuse the German sold Moki with the Moki two stroke that has been sold here for years and has had service and parts available.

Just check it out before you buy. If you think it's a good deal then by all means buy it!!!!

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Ahem. - 7/2/2002 12:20 AM   
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Status: offline 		[QUOTE]Originally posted by peso
It would be interesting to know if anyone has experience of these engines. [/QUOTE]

All of the "RCS" branded engines (not the ZDZ motors!) sold by RC Showcase are rebadged Mokis. Plenty of info available on their site.

They are assembled in Hungary.

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Moki gas engines - 7/2/2002 1:01 AM   
peso


 

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Status: offline 		You are right. They look like the Mokis that Amelung sells. But Amelung have more models.
The RCS 75 looks very good. Has anyone tested it?

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Moki gas engines - 7/4/2002 4:12 PM   
DerFly



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Status: offline 		OK, the answer is quite simple. The trade name "Moki" trade name can not be used here in Germany for some reason or other, so these engines are sold here as "Mark" engines. The boxes even have "powered by Moki" on them. They are made in the same factory in Hungary and are no different to each other. ZDZ gas engines are not related and are made in the Czech Republic.

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Moki gas engines - 7/6/2002 8:21 AM   
OUTCAST


 

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Status: offline 		Man this thread had me confused at the beginning, but now I'm totally freekin' lost. Here is a simple question, Are the Moki gas and the Moki meth motors made by the same company? I don't care if there are two different factories in two different countries are they the same company?

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Moki gas engines - 7/6/2002 8:28 AM   
paero-RCU


 

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Status: offline 		You won't get a straight answer on that one either. My guy who imorts the Moki 2 strokes says NO and that his people are working on a gas version. Probably a 2.5

Others will claim that they are the same company in order to ride on the 2 stroke reputation. As I said in an earlier post......ask the question about parts.

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Moki gas engines - 7/6/2002 1:52 PM   
visioneer_one



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Status: offline 		[QUOTE]Originally posted by OUTCAST
Man this thread had me confused at the beginning, but now I'm totally freekin' lost. Here is a simple question, Are the Moki gas and the Moki meth motors made by the same company? I don't care if there are two different factories in two different countries are they the same company? [/QUOTE]
yes.

< Message edited by visioneer_one -- Jul 23 2002 2:43PM >

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Confusing? - 7/6/2002 1:58 PM   
bpryor



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Status: offline 		I don't have the answer if the Moki gas engines are made by the same company that makes the glow motors, but I can tell you that I bought a Moki 90 Boxer twin from out of the country and asked RC Showcase if they could get parts and if they would service it, and the answer was a definite yes. They do keep parts in stock for the Moki gas engines they sell under the RCS label, and can get parts for the other models they don't sell. You can also get parts from Amelung and Makay Models in the UK. Both are happy to ship to the US.

BTW, don't ask me how the Moki ran since I sold it without trying it out. It was of excellent quality and I can tell you that they are very popular in Europe and have an excellent reputation.

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airMOKI - 7/10/2002 12:25 PM   
cu. in.


 

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Status: offline 		I purchased a "Moki" 45 Fh from Amelung two months ago. As far as I can tell, the "Moki" 45 Fh is made in Germany, not Budapest, Hungary. Here is why I think this:

1. The blue box that the engine came in says airMOKI on the side, not Moki.

2. Two sets of instructions came with the engine. One set is in German, and the other in English.

3. The address on the instructions say:

AIRWORLD MODELLBAU
Hans-Deiter Reisert
Henscheistr. 11
63110 Rodgau
(No country shown)

4. The plastic ignition box says Made in Germany.

The connecting rod was rubbing on the backplate when I received the engine so I pulled the backplate and cylinder. I haven't finished measuring things but the WP holes are not square in the piston nor parallel in the rod. This was measured with gage pins and a surface plate, and is probably the cause of the rod rubbing on the backplate. Cylinder squareness needs to be checked as well, but I haven't had time for this yet.

The upper rod end is bronze bushed rather than containing a needle bearing. How this will hold up long term is questionable.

I think I can correct things without resorting to spare parts, but so far, I am not impressed.

Bruce

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Moki gas engines - 7/10/2002 2:12 PM   
peso


 

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Status: offline 		Thank you Bruce.
Could it be that the manufacturer has a quality problem. Would be sad because I like the design of these engines. Expecially the models with front carburetors as they are very compact and easy to build in. Perfect replacements for glow engines in existing planes.
The use of a bronze bush in a gas engine is however surprising.
Anyway it would be interesting to hear more after you have run it. Hope you keep us informed.

And maybe it would be fair to tell Amelung what you have found and give them a change to react.

/PO

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Moki gas engines - 7/11/2002 3:54 AM   
cu. in.


 

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Status: offline 		Hi peso,

I'll try to answer your points here.

1. I don't know about the overall quality of "Moki" and RCS engines. It seems that flyers rave about the 140 and 180 (20cc and 30cc) engines and it was based on these impressions that I went ahead and purchased the 45cc engine. RCS does not import this engine.

I tend to think that I got a "Monday morning" example, and that their quality is good otherwise. This is the only "Moki" that I own.

2. Like you, I appreciate the "glow engine" type design of these engines. My 45 Fh is a front intake and rear exhaust engine.

We have a thunder storm rolling thru and I will continue this discussion in another post later. (Gotta save the computer)

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Moki gas engines - 7/11/2002 7:58 AM   
cu. in.


 

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Status: offline 		The weather calmed down and I can continue. I have lost computer equipment to lightning strikes here before, and that is the reason for the interruption.

3. The bronze upper rod bearing may possibly be used in all of the airMOKI engines. In the December, 2000 issue of "Model Airplane News" Gerry Yarrish wrote a review of the RCS 140. On page 85 there is a close-up picture of the connecting rod, and the upper bearing is bronze, not a needle bearing.

I am not saying this bronze bushing design practice for the rod is right or wrong. I don't have any data. For all I know, it may hold up just fine, and it certainly is light weight - an advantage.

Wife No. 1 has called me to come down for dinner for the third time. It has been one of those days.

I will finish this after dinner. My apologies.

Bruce

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Moki gas engines - 7/11/2002 9:57 AM   
cu. in.


 

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From: Birchwood, MN, USA
Status: offline 		OK, I will try to finish this thing.

airMOKI may use a bronze bushing on the 75 rod as well. The RCS ad for this engine, makes no reference to a twin needle bearing rod as they do for the ZDZ 80.

http://www.rcshowcase.com/rcs_75_sportsman.htm

4. I hope to have this engine running in a week or two. I bought ignition batteries, chargers, dischargers, electrical plugs, gas cans, pumps, oil, switches, props, a prop drill jig, and my engine test stand is almost finished. (This is an expensive hobby!)

5. I have tried to send an e-mail to Amelung in the past but it either doesn't arrive or there was no reply. Maybe I have an ISP problem. I don't know. If I continue to have problems with the engine, I will try to e-mail again.

The reason that I mentioned the con rod rubbing on the backplate is because the ignition sensing semi-conductor on the front intake engine is located on the backplate and could be damaged by the con rod. If I understand the way these are built, this would not happen on the rear induction engines because the rear rotor drum would trap the con rod and prevent any damage to the rear induction ignition sensor.

after all this, I'm not sure whether I have clarified things or muddied the waters. In any event, I will report back when I get the 45 Fh running.

Bruce

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Moki - 7/11/2002 8:09 PM   
Hobbsy



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Status: online 		paero, You keep calling the Moki's made in Hugary two strokes, are the German ones four strokes or are they two stroke gassers. Also tell that buddy of yours, Mr. Gerard, that there is at least one guy in America who would like to see Moki make the .61 Long Stroke again. I have one and it is just about the finest of my 83 engines. Thanks, Dave

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Moki's - 7/11/2002 8:19 PM   
paero-RCU


 

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Status: offline 		I didn't mean to milead anyone by using the trem "two strokes". As far as I know the "German Moki's" are gassers. I know that the Hungarians are only building Glow two strokes. A 1.35, 1.80 & the 2.10.

I know what you mean about the .61. They are really nice engines. But I know Jim has asked over nad over again for them to build the smaller ones again with no sucess.

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Moki's - 7/11/2002 8:24 PM   
Hobbsy



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Status: online 		Thanks Paero, the .61 Long Stroke is nearly electric motor smooth, also I've literally searched the world over on the net looking for a Moki .51 Aero with no luck at all. Just Engines had one but it was a control line engine.

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Moki gas engines - 7/14/2002 8:53 AM   
amsoilguy


 

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Status: offline 		Fellas,
Dunno about who makes what, but the mufflers from a Moki 180 glow fit and bolt correctly to the 180 gasser. According to Jim Bisson, who made the mufflers they are one in the same company and motor. I trust Jim.
I bought the RCS version which are rear induction, with a disc rather than reed induction valving. I guess I will ask these questions to RCS too. My box says produced by Moki Modell- Hungary. So someone is blowing smoke somewhere. Either that or the RCS 180 is different from the Moki 180 refered to above, but all indications I have seen, are that the rear induction versions are Moki Hungary. Front induction, I have not seen, and may be the bogus "German Moki" Model. Pun intended.
I don't want to mess with this motor until I have it broken in, and it's out of warranty, for the above reasons mentioned in previose posts.
I will post back in a few weeks to a month with some run opinions. This motor seems to turn by hand exceptionally smoothly with no binding or noise of any kind with and without the plug installed. Hope it runs as well.
One funny thing is that the ZDZ drill jig is the same as the RCS drill jig. This 180 is also a multi bolt prop type, and the 180 glow seems to be a single hub. Dunno if that is correct or not, just an observation.
Thanks,
Ams

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Moki gas engines - 7/16/2002 2:34 AM   
visioneer_one



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Status: offline 		[QUOTE]Originally posted by amsoilguy
I bought the RCS version which are rear induction, with a disc rather than reed induction valving. I guess I will ask these questions to RCS too. My box says produced by Moki Modell- Hungary. So someone is blowing smoke somewhere [/QUOTE]

Don't peel off the gold sticker! Wait unuil its out of wrranty.

< Message edited by visioneer_one -- Jul 23 2002 2:43PM >

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Moki gas engines - 7/16/2002 4:10 AM   
amsoilguy


 

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Status: offline 		Visioneer,
I figured they would have a way to tell. Anyway, why screw with something before it is no good. As long as this runs good, the price was really right. Much better than Stewarts prices with the exchange rate.
AMS

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Moki - 12/8/2002 8:05 PM   
RCflying


 

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Status: offline 		RCS products visually look the same as the various Moki's.

< Message edited by RCflying -- Dec 8 2002 12:19PM >

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