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MLD-28 gasoline engine

Old 06-06-2009, 09:09 PM
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Default RE: MLD-28 gasoline engine

So I have switched over to amzoil at 50:1 and got a tach today at 8300+ on a 17x8apc, I am just drilling out the 17x10 mejlik for tomorrow and will try it out, I expect it will be 7800 probably. This is with the pitts muffler also. I don't have a 18x6 prop to try well actually I do but its a peice of crap really its a zinger but its not even the pro zinger type so it still has the square ends, and is very inefficent, also the plane does not have enough ground clearence for a 18" prop.<div>
</div><div>Later</div>
Old 06-06-2009, 09:20 PM
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Default RE: MLD-28 gasoline engine

that plane will be just evil with that mld and only 9lbs. i would try and see without cuting the cowl first, i think it should be just fine. my yak was about the same and it didn't seem like it starved for air at all. i would try and see, i just hate to cut upa good looking cowl.
Old 06-06-2009, 10:36 PM
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Default RE: MLD-28 gasoline engine

Is that a 17 x 6 your using?
Old 06-07-2009, 06:37 AM
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Default RE: MLD-28 gasoline engine


ORIGINAL: brewski

I hear you on the landing gear. I have already had to deal with that problem. I have about 15 flights on it with the 120 AX and it is fun. As for the cowl, it is already cut up for the 120 so I'll probably get a new one for the MLD. The carb will actually fit in the cowl without cutting but would only have 3/8" to breath so I will have to cut an opening. I was thinking that the velocity stack, if needed, would be a nice finishing touch through the cowl opening.

The prop will definitly be changed to a 18x6 as soon as I get to the LHS. I am only running this one because I already had it. With that said, I had a RCGF 26 and a friend also still has one and it was best on the Xoar 17x6. His is on a Funtana, ~9.5 lbs. The Showtime is now 9.2 lbs.
It is a 17x6 until the 18x6 comes in.
Old 06-07-2009, 09:33 PM
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Default RE: MLD-28 gasoline engine

I gotta say that this engine deserves all of the hype that it is getting. I ran one tank on the ground yesterday to get the needles close and and flew it today. This engine is strong. I have had an engine in this class before and the MLD is stronger. It is turning the Xoar 17*6 at8950 RPM's on the second tank. I will get a 18*6 on it this week.

I was disappointed in my Showtime until today. Now I like it alot.
Old 06-07-2009, 09:41 PM
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Default RE: MLD-28 gasoline engine

The MLD 28 is definately much better than the SPE 26, and lighter than all the other 26cc engines out there. It is in a league of its own.
Old 06-08-2009, 01:16 AM
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Default RE: MLD-28 gasoline engine

I spent a fair while checking out the various 26cc petrol/gas engines that were available and was thinking of gettingthe new version RCGF26 and then decided on the MLD28 from what good things you guys have had to say about it.
I'll be fitting it to a Super Tiger Moth 120 size which will weigh in around 5.0-5.5 kg.
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Old 06-08-2009, 07:10 AM
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Default RE: MLD-28 gasoline engine

Nice plane. Should be a good fit.
I have had them both. MLD is much stronger.
Old 06-08-2009, 02:13 PM
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Default RE: MLD-28 gasoline engine

Thanks brewski,
happy to hear the MLD is stronger and glad i made the choice i did.From what i've read it would probably suit an 18x6for theTiger Moth.
Waiting patiently for the MLD toarrive now .
Cheers,
Craig
Old 06-08-2009, 06:54 PM
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Default RE: MLD-28 gasoline engine


some one asked: "...Is the MLD28S from Cermark, the same engine being sold by Peak Model in their combos... Iwant to get one of those plane/engine combos to save on costs..."
There are differences in the offering. CERMARK services all SPE and MLD engines. CERMARK honors warranty on all <u>North American version</u>MLD-28and SPE engines. If you purchased a <u>North American version</u> of MLD-28,SPE-26, SPE-40, SPE-43in Russia, CERMARK would honor the warranty on all of them. Hope, that answers the question.


Peace,
Steven Chao,
CERMARK
Old 06-09-2009, 08:16 AM
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Default RE: MLD-28 gasoline engine

Steven just what are the differences in the North American Version and any other version that is offered in the SPE MLD lines? Even the ones directly out of China come with a 2 year warranty don't they?
Old 06-11-2009, 05:19 AM
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Default RE: MLD-28 gasoline engine

Yep,Melody warrant the engine and ignition for two years from date of purchase.
I have received my MLD 28,took 4 days to arrive from Hong Kong and cost $245.00 USor $306.00 auincluding freight to my door.A very good buy.This engine retails for $390.00 here in Australia and thats not including shipping.
Old 06-12-2009, 07:48 PM
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Default RE: MLD-28 gasoline engine

There are differences between North American Version. The engines areset closer to North American preferences. There are other minor differences in product offering also. I hesitate to list theexact updates, changes and alterationsbecause of theissues we have withillegally imported engines.

Peace,
Steven Chao,
CERMARK
Old 06-12-2009, 07:50 PM
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Default RE: MLD-28 gasoline engine

<div style="margin: 0in 0in 0pt"><u><span style="color: #212743">Press Release:</span></u><span style="color: #212743"> MLD &amp; SPE Engines - June 12, 2009

Currently all 3 gas engines, SPE-26 (v-4), SPE-43 (v-4) and MLD-28 (v-5) are completing their updates and modifications.The process has taken much more time than we have anticipated.The final round of testing and approvals should finish after the week of </span><span style="color: #212743">July 4th, 2009</span><span style="color: #212743">.Because of required quality assurance process, we can only ship out the back-ordered engines after all inspections and tests are done.The corresponding manuals will become available after July 17<sup>th</sup>.

</span></div><div style="margin: 0in 0in 0pt">The areas of improvements are the electronic ignition systems (CDI), the vibration, the low-to-mid range throttle response curve, the carburetor, and other non-disclosed areas.<span style="color: #212743">As result of the updates and upgrades, you will have a better SPE or MLD North American engine. </span><span style="color: #212743">For those of you who may be concern with the North American SPE and MLD engines that you already own.Please do not be alarmed.The engines simply undergo improvements.We have simply executed the update process poorly, hence the gap in their availabilities.</span></div><div style="margin: 0in 0in 0pt"><span style="color: #212743">
Please contact us, if you have any question.</span></div><div style="margin: 0in 0in 0pt">
</div><div style="margin: 0in 0in 0pt"><span style="color: #212743">Sincerely,
Steven Chao
President
CERMARK</span></div>
Old 06-13-2009, 05:57 AM
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Default RE: MLD-28 gasoline engine



Sounds like a good engine.</p>
Old 06-13-2009, 07:43 AM
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Default RE: MLD-28 gasoline engine

indeed
at least mine does
thx
Old 06-14-2009, 05:49 AM
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Default RE: MLD-28 gasoline engine

I have a Midwest AT-6 that needs an engine.  I was going to use a G-26, would this also be a good engine for it?
Old 06-14-2009, 06:05 AM
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Default RE: MLD-28 gasoline engine


ORIGINAL: stevenchao

<div style="margin: 0in 0in 0pt"><u><span style="color: #212743">Press Release:</span></u><span style="color: #212743"> MLD &amp; SPE Engines - June 12, 2009

Currently all 3 gas engines, SPE-26 (v-4), SPE-43 (v-4) and MLD-28 (v-5) are completing their updates and modifications.The process has taken much more time than we have anticipated.The final round of testing and approvals should finish after the week of </span><span style="color: #212743">July 4th, 2009</span><span style="color: #212743">.Because of required quality assurance process, we can only ship out the back-ordered engines after all inspections and tests are done.The corresponding manuals will become available after July 17<sup>th</sup>.

</span></div><div style="margin: 0in 0in 0pt">The areas of improvements are the electronic ignition systems (CDI), the vibration, the low-to-mid range throttle response curve, the carburetor, and other non-disclosed areas.<span style="color: #212743">As result of the updates and upgrades, you will have a better SPE or MLD North American engine. </span><span style="color: #212743">For those of you who may be concern with the North American SPE and MLD engines that you already own.Please do not be alarmed.The engines simply undergo improvements.We have simply executed the update process poorly, hence the gap in their availabilities.</span></div><div style="margin: 0in 0in 0pt"><span style="color: #212743">
Please contact us, if you have any question.</span></div><div style="margin: 0in 0in 0pt">
</div><div style="margin: 0in 0in 0pt"><span style="color: #212743">Sincerely,
Steven Chao
President
CERMARK</span></div>
Steven,
If I order a MLD28 howwill Iknow ifI'm getting the new version? Is there any makings on the box or engine?
Old 06-14-2009, 06:24 AM
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Default RE: MLD-28 gasoline engine

The MLD 28 would be much better than the G26. More power, lighter, and alot less expensive..
Old 06-14-2009, 12:49 PM
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Default RE: MLD-28 gasoline engine


...If I order a MLD28 howwill Iknow ifI'm getting the new version? Is there any makings on the box or engine?
All engines are serialized, so the manufacturer and the distributors will know. In addition, your new engine registration sheetand your manual manual will most likely include the modifications.


Peace,
Steven Chao,
CERMARK
Old 06-14-2009, 01:27 PM
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Default RE: MLD-28 gasoline engine

Ok it was 30 degrees (celcius im in canada eh! lol) out yesterday so it was way to hot but I tryed the 17x10 carbon fiber anyways and got a tach of 7700 and flew it and definatly not enough so I went back to the 17x8 and will use the mejlik for a cooler day. This plane does do the know sportsman better than I thought it would too.<div>
</div><div>Later</div>
Old 06-15-2009, 07:57 AM
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Default RE: MLD-28 gasoline engine

What modifications. If you can't tell us what the mods are then how do we know what Cermark has done?
Old 06-15-2009, 01:04 PM
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Default RE: MLD-28 gasoline engine

"...The areas of improvements are the electronic ignition systems (CDI), the vibration, the low-to-mid range throttle response curve, the carburetor, and other non-disclosed areas.<span style="color: #212743">As result of the updates and upgrades, you will have a better SPE or MLD North American engine... </span>" CERMARKand Melodyfocus on the overall application or performanceimprovements.. Secondly, we do not intend to make a DIY engine nor an engine kit. Finally, posting such information will put ourselves in a trade disadvantage.

The initial difference between engines that you purchase from authorized dealerswould be warranty. CERMARK provides services and warranty to North American Engines, but not warranty to NONE North American engines. There are obviously additional differences that I do not list.


Peace,
Steven Chao,
CERMARK
Old 06-16-2009, 08:48 PM
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Default RE: MLD-28 gasoline engine

I am assembling my Pacific Aeromodel Clipped Wing Monocoupe but have not decided on an engine.
I was considering and  OS 160 glow 2 stroke, the Z- G-26, SPE 26 and now the MLD 28.
Also considered the Evolution 26 &amp; 35 but decided against them due to high $$$.

I expect the AUW to be in the neighborhood or 13- 13.5 lbs depending on the engine of course.

The Monocoupe was considered a racer in the 30's but slow by today standard.
I would like suffcient power to easily do all 'routine aerobatics'  (not hovering for example) and the power to pull me out if I get into trouble.

Would the MLD 28 be a good choice?

Any others I should consider?  The manufacturer recommends 26-35cc for gas and up to 180 for glow.

Thanks!

Ken - Oxford, MI
Old 06-16-2009, 09:27 PM
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Default RE: MLD-28 gasoline engine

It might not hover a 13 lb plane (it might do it though), but should pull it around very nice for sport flying. In my opinion, of all the engines you listed, the MLD is by far the best choice. No messy, expensive glow fuel. It weighs alot less than zenoah, and has more power. Evolution is definately overpriced. The MLD only weighs a few oz more than a Saito 180, including ignition and muffler, and turns an 18" prop faster. Mine has ran flawlessly since day 1. I love it.

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