MotorAV, Motor AV, 4 cylinder, 4 stroke,100 HP experimental, light sport aircraft engine.

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MotorAV, Motor AV, 4 cylinder, 4 stroke,100 HP experimental, light sport aircraft engine.
In 2012, Rima’s aeronautical engine project was acquired by MOTORAV Industria e Comercio LTDA, which maintained operations in the town of Bocaiuva, Minas Gerais - Brazil, where the engine was originally developed.
Experimental aircraft builders and designers were consulted for their input. Other converted VW engines were analyzed for their strengths and weaknesses, and in 2014, MOTORAV hired as a consultant Mr. Bill Brogdon of bmep, Inc. He has over 40 years’ experience in the design of piston engines and is a former Chief Engineer of Continental Motors.
MOTORAV engineers, designers, analysts, manufacturing engineers, managers and consultants worked together to design the engine specifically for the experimental aircraft engine market.
This design work resulted in significant improvements such as: a reinforced engine crankcase, one piece integral flange crankshaft, exclusive cylinder heads, intake and exhaust on the underside of the cylinder head, easily accessible dual spark plugs per cylinder, standard bayonet cylinder head temperature thermocouples, electronic ignition, integral alternator, removable hydraulic lifters (no more valve adjustments), high performance camshaft, remote or improved integral oil cooler, extra capacity oil sump, and features to make the engine easier to install and adaptable to the majority of the existing LSA aircrafts.
A range of sophisticated analysis techniques were utilized to improve the engine design and performance. FEA (finite element analysis) studies were performed on the design, by top worldwide experts in the aircraft and engine industry such as ITA (Aeronautical Technological Institute in Brazil), and Integral Powertrain Ltd. in England.
Other analyses included: Engine performance and optimization of manifolds and valve timing, valve gear dynamic analysis, crankshaft stress analysis, torsional vibration analysis and mold flow analysis. The results of these analyses were used to improve the design of the engine. MOTORAV LTDA, has accumulated extensive background on the engine operation using its own bench tests and aircraft.
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MotorAV, Motor AV, MotorAV aircraft engine, Motor AV 100 HP engine,
www.ultralightflyer.com - MotorAV, Motor AV, 4 cylinder, 4 stroke,100 HP experimental, light sport aircraft engine.
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14 апр 2019

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Комментарии : 91

@ginacalabrese3869 5 лет назад

Brazil is doing some nice stuff in aviation.

@ciroaraujo2005 5 лет назад

it is a great pleasure to see the development of this engine. Totally brand new and an alternative for quality and better prices in the market of aeronautical engines. God bless you and all the motorav team Carlos.

@flyingmedic 5 лет назад

It’s really good to see new engines in the 100hp category. Rotax are good but alternatives will eventually drive up quality .

@yellowhammer4747 5 лет назад

What about driving down cost. I rotax is like sore dick, there hard to beat!

@alexwonner7469 3 года назад

I think they are far too late in the market. Rotax improved its engine in quality, reliability and horsepower.

@billr8667 5 лет назад

Thanks, Dan for keeping the information flowing. Here's yet another potential direct drive, air-cooled alternative to the Rotax. Hopefully, the ASTM certification and in-air processes go well.

@jmryd9030 5 лет назад

Good to see some more competition in the 100hp engine market. They have some more interesting info on their website. Hope they're successful.

@johnbeard3613 5 лет назад

Thank-You sir.

@brent1041 5 лет назад

The salesman should have mentioned the company’s history. They are currently the manufacturer for basically all the new vw cases. This project was started with a mind towards fixing all the original problems with bore and stroking a vw.

@ultralightnews 5 лет назад

He did in the full interview BUT there is only so much I can get into an interview. The Ultralight Flyer

@nurburgflip1188 4 года назад

@@ultralightnews So they manufacture the aluminum case I can buy from CB PERFORMANCE?

@mishawakapost2681 5 лет назад

Fist bumps 👊👊👊👊👊, high fives/pats on the back ✋✋✋✋✋, extra thumbs up 👍👍👍👍👍

@ele4853 4 года назад

Great project. Looking. Forward to see it available for sale.

@MrJeep75 4 года назад

Nice I do like the simplest of a VW

@mojogrip 5 лет назад

I like it

@andrepatacchini 2 года назад

From the country of Embraer. The place if Santo's Dummont birthplace.

@adzbasslines268 3 года назад

Good to have more alternative O-200 options

@spinnetti 4 года назад

Looks very promising. Maybe the ultimate (so far) evolution of the VW?

@xzqzq 5 лет назад

Love the animated exploded view.

@DanFrederiksen 5 лет назад

Regarding low rpm vs geared rpm, I'm pretty sure that you can run higher rpm with a smaller prop efficiently if only your target cruise is similarly higher speed. The reason for long wing or prop is to have airmass enough to not give like walking in sand in the time you pass it. So if you pass quickly the air mass will be 'stiffer'. Goes for shorter wing and shorter prop. So a sleek plane and motor might well work beautifully at 4800+rpm if your cruise is 250-300+km/h vs cessnaing around at 150. It's not crucial to be efficient at 150 if you stretch your legs at 300. A turbo fan for even a big private jet has smaller diameter than your typical lsa.

@sledawgpilot 5 лет назад

Agreed, my buddy owned a Helio once. You could replace the GTSIO 480 (geared) and its big prop with a 540 of similar power but you would lose short field & climb performance.

@sledawgpilot 5 лет назад

There’s a hundred likes For ya Dan! I really see affordable reliable engines to be the key for folks to get into home building. I’m not a fan of auto conversions, an auto engine might be able to produce 300 h.p. But on car it’s normally only cruising at a 10th of that. Also some of the reduction units are kinda sketchy. Rotax could have been the answer but $heesh!

@DanFrederiksen 5 лет назад

Interesting. Similar approach to a lycoming 235 but 24kg lighter for the power. That's a seat and a child or 400km extra range. Or a chute and 200km fuel. I hear mixing metals can be tricky so they want to be on top of that. Shame if it can't run on mogas. Even though fuel consumption and avgas are not ideal I certainly welcome competition and I hope the price will wake up the others. They need it.

@Agislife1960 5 лет назад

If you listen he said 2900 RPM which would be the main reason for the horsepower to weight ratio. The guys who race airplanes at Reno have run the Continental 0-200 over 3000 RPM for years, they make substantially more HP, but they're not long term durable.

@peterxyz3541 Год назад

I’m interested!

@briand4000 5 лет назад

Power to weight ratio of the Rotax is still superior, but with this engine you have no gear box to worry about. If it would put out 120 hp, we'd have a game changer.

@eugeneoreilly9356 3 года назад

Rotax RPM is too high.They also use liquid cooled heads to achieve the high power.Lots off things I don't like about them Should still be plenty off parts for the Corvair.?

@blown572hemi 4 года назад

Looks exactly like a Volkswagen except a Volkswagen has a cross flow cylinder head. Brazil has some nice Volkswagens

@Arjuna86004 3 года назад

This is a VW engine reconfigured for an aircraft. It will be interesting to see if they have worked out issues effecting longevity and reliability. I like the new head design. It solves the single spark plug per cylinder and intake/exhaust configuration issues present in the original VW design. Original purchase price and overhaul costs could be very attractive! Web site states that they are looking for a North American Distributor. www.motorav.com/distributors.php

@donniewoodley8604 3 года назад

Looks very similar to a vw. Some parts may be interchangeable.

@NWTejas 2 года назад

What carb are they running on this engine?

@ik04 5 лет назад

Except for the beefed up fourth bearing and the cylinder heads, this is a VW engine. I can understand since there is no longer a production car with the air cooled engine, the casting dies are being used for smaller companies to manufacture under license... If they can keep the cost to a minimum, this design should do well...

@C1Ksdafafdsa980ufsd Год назад

It is likely that all VW patents have long ago expired as the engine is either based on a bug back to the 1950's, or a bus from the 70's or early 80's. So likely one could make the molds without a license. I've seen a question elsewhere why the double sump is used rather than simply updating the casting for a larger oil sump. Unfortunately the MOTORAV website seems to have just a placeholder and no information. :(

@dfender110 5 лет назад

Any updates on the availability of the engines in the US?

@ultralightnews 5 лет назад

Did the interview at Sun N Fun - will likely be at Airventure, if so I will try to update. The Ultralight Flyer

@jamesonpace726 5 лет назад

A super light mag/alum vw? 2600 rpm direct drive 186 lbs? 100hp...Magic...??

@lucasporte4067 3 года назад

This power is achieved at 2900rpm. This engine as a displacement of 2860cc, so it's pretty plausible that these numbers would be achieved for a refined engine like this one. Hope they get their certification soon.

@eugeneoreilly9356 3 года назад

With 2.8 liter swept volume I doubt it has any connection to the VW apart from the design.Therefore limited spares supply unlike VW based motors.

@lanselithgow5865 3 года назад

Can it run on mogas?

@jayreiter268 5 лет назад

Looks a VW based engine

@spinnetti 4 года назад

Well it is, but not actually VW. Interesting story on their site. IIRC they made the engine castings for VW in Brazil as an OEM, so have the chops to make it go I think.

@rubenilcb5002 3 года назад

Alguma novidade sobre ser vendido no brasil.ouvi dizer que foi barrado por aqui

@ronlafitte6864 4 года назад

Did he say it weighs only 189 pounds? That is amazing for 100hp.

@skm9420 4 года назад

184

@cohocarl 5 лет назад

Someone please educate me... I've been a automotive gearhead for years, and roller lifters/camshafts has been the norm in pushrod engines for 30 years. It appears this, along with other pushrod aviation engines that still run flat tappets. (?)

@propellerhead9197 4 года назад

Low RPM use softer valve springs, Less friction on the cam, Rollers not necessary. Less complex = more reliable.

@GusLandy 5 лет назад

So this is made in Braziu.

@savagecub 5 лет назад

Looks like a VW engine to me. Also much wider cross section than a Rotax.

@Cwra1smith 4 года назад

Yup, a VW copy with a wider front bearing and a bolt-on lower sump. A new head design too. I don't like the iron cylinders though as they should have gone with nikasil aluminum for weight and cooling. 184lbs is kinda heavy.

@skm9420 4 года назад

@@Cwra1smith for 100hp. That's the whole engine. That's not that heavy

@eugeneoreilly9356 3 года назад

I'd rather go with cast iron cylinders any day above Nikasil coated anything especially after all the problems BMW had with them.Cyl sleeves were junk before even 50,000 miles.An expensive lesson.

@steeltree-fabricatingandcu3796 5 лет назад

I’m surprise nobody’s asked how much?

@dheujsnrhfydhehehshshhdggsd 4 года назад

13$k ... Estimated

@billrandell4641 5 лет назад

I'd be interested in a few things..Why didn't they "Dowl Pin" the "Main Webs"?? This is an inherent issue with "Main Creep" under power with the 3 Main VW style case..All the Drag Race aftermarket (and guys that run Stock cases do this..it's a real issue) I would also be interested in the "Head" performance..the design (again) has a bad history of cracking between the Intake and Exhaust Valve ports..Does it have Stainless Valve Seats??..Sodium Exhaust Valves??..There are a lot of questions that need to be answered..There is a big difference between pulling 40 HP and 100HP in reliability and part failure (which can be a catastrophic failure)..How many Dyno hours have the run??..I wish them all the luck..many have tried..most have failed..

@travisweide9071 5 лет назад

Website was interesting however does need further explenation. Does all look really nice. My personal worry is quality control but they seem to have a good reputation. Price will be the factor as well as being a vw based engine even tho re engineered for aviation should be in my opinion affordable. Less than a rotax 912 more than an auto conversion VW

@dukecraig2402 5 лет назад

If you're running pump gas and not avgas you don't want stainless seats you want stellite, from what I understand avgas is supposed to go lead free eventually anyways.

@khalidbinswidan138 5 лет назад

Hi what is price this motot

@victorhettinger4412 5 лет назад

How much.....

@JoseCarlos-xj9cr Год назад

Gostei do motor como adquirir

@mikeschaff7061 5 лет назад

Does Motorav have a projected cost yet?

@gairnokkillstryke3875 5 лет назад

12,900$ US

@rlguerrero2263 5 лет назад

@@gairnokkillstryke3875 Wow!

@abulazad5497 3 года назад

what is the price for this engine of 100 HP?

@MrPetrvershinin 4 года назад

what gasoline does this engine use ?????

@lucasporte4067 3 года назад

AVGAS 100LL

@manojkarki2772 3 года назад

How to buy sr this engine

@shapour1964 4 года назад

Price how mach

@travisweide9071 5 лет назад

Can i also bolt this to my vw?

@glennllewellyn7369 5 лет назад

Yes. Yes you can.

@1STGeneral 5 лет назад

As long as you have the ground clearance

@ToyManFlyer1100 5 лет назад

You can put any motor in anythang nowadays...As long as you can make it fit and hook up to a tranny......

@hussinalrodene6088 4 года назад

السلام عليكم هذا المحرك إلى اي شركه تابع من اي دوله وشلون الحصول عليه

@orbitalair2103 5 лет назад

189lbs ! compared to a rotax 912is at what 140lbs? Is that apples to apples or am I forgetting something, or getting numbers wrong? Hmm, LSA is already a weight juggling exercise as it is. I would have thought a directdrive would weigh less than the geared rotax. I wonder if they have a weight loss plan in mind? I wish them success, more competitors the better, tho they have a long way to go to get a lot of flying hours under their belt.

@brent1041 5 лет назад

The quoted 140lbs for the Rotax isn’t a running engine. After all the accessories it’s a lot closer to 170lbs. This engine should be about half the cost of the rotax which is a big deal for most

@PistonAvatarGuy 5 лет назад

The whole purpose of a PSRU is to allow for the power to weight ratio of the engine to be improved by allowing it to rev at a higher rpm.

@jamesburleson1916 5 лет назад

The other consideration is that a geared engine can have smaller displacement for similar horsepower figures, which can save engine weight.

@fredpinczuk7352 4 года назад

@@PistonAvatarGuy Question: What wears faster? An engine running at 5,800 RPM or the engine running at 3,200 RPM? Assuming same output HP (100) on the shaft of course. The purpose of the PSRU is to accomodate a lower displacement, high rev engine to match the max velocity of a prop (ie: (Rotax 1.3L 912 iS). With Rotax and some Auto Conversion, you trade lower displacement for a higher combined weight (PSRU does have a weight to them) for a targeted HP. Power to weight ratio: The only engine that comes close in weight, is the Rotax 912 iS. And the ratio is nearly identical to a more traditional flat 4 air cooled (UL Power). All other engines that uses PSRU are much heavier (159 lbs Viking engine, 170 lbs Airmomemtum Engine). But in all cases of engines using PSRU, you traded displacement and weight for an identical power output. So going back to the original question. What wears faster? An engine running at 5,800 RPM or the one running 3,200 RPM for the same power? Here are the power graphs: www.cfsaero.com/rotax/rotax-912-s-uls-100hp.php ulpower.com/en/engines/ul260/ul260if#2-performance

@nick4506 4 года назад

its a more developed beetle engine

@dragon2knight 5 лет назад

This company needs a salesman...they're doomed if this guy is selling the engines....I'm not saying this to be abrasive, I'm saying it because this may very well be the VW engine finally evolved enough to work well in aircraft. I hope they figure out how to sell what they've created!

@rlguerrero2263 5 лет назад

Nevermind Salesman are available at any corner