Kupo Kupo

The load of something you got is good sound advice. that is what you asked for isn't it.

I recieved good advice, don't get me wrong. It's just that I recieved alot of IMHO irrelevent comments.

So no one misunderstand what I'm say, let me show an example.

Originally Posted by Marc Zeitlin

For a COZY MKIV, I want a 180 - 220 HP motor that weighs 350 lb dry, has liquid cooling, is as reliable as a Toyota/Honda/Subaru motor, puts out that HP at 2700 RPM (with or without PSRU - don't care, as long as you meet the weight/reliability requirements), needs a tuneup once/year, runs on diesel/Jet A, is normalized for 75% power up to 18K ft, has a BSFC below 0.35 lb/hp/hr and costs $10K.

This is all that good stuff I was looking for. Very concise and detailed. Beautiful is the perfect word to describe this.

Originally Posted by Marc Zeitlin

If you ask for opinions, you shouldn't really complain when you get one. There was no business proposed - just some design specific ideas without requirements or specifications. The ideas are not new - there are at least 3 or 4 other folks out there doing almost exactly what you propose (and not particularly succeeding). Make believe that you're making a pitch to venture capitalists - you've got 15 minutes of my time, and I've got $15M that you want from me. Why should I give it to you? The list of design characteristics you listed above tells me absolutely nothing about the business, the market needs, the solution you're proposing, or why I should believe in you.

This on the other hand is the "stuff" that was never really called for, atleast not by me. I never asked to have my business plan reviewed, just simply for suggestions as to what LSA/experimental aviators would like to see in a motor.

Theres a guy named dust who runs another canard forum that you might find agreeable to your labeling of Marc. He's a wealth of interesting information as an alternative to our Marc here. Go see if his brandy is more to your liking. I'd rather the spicy straight shooter, than the alternative .

Thanks for the insight, I'll look into it.

You had better find a new head for your PR department. You are really p!ss!ng off the wrong people ....... and you've only made 5 posts.

 

Ladies and gentlemen ...... we have a new record!

Come now, I'm sure Marc has thicker skin then that. Besides, I'm just calling it how I see it. If you find that rude, so be it, your now officially the really thin skin of Marc.

Look, I'll be the 2nd to say that Marc seems like (and likely is) a very knowledgeable person. It's just that I asked one thing and got a load of something else.

For a COZY MKIV, I want a 180 - 220 HP motor that weighs 350 lb dry, has liquid cooling, is as reliable as a Toyota/Honda/Subaru motor, puts out that HP at 2700 RPM (with or without PSRU - don't care, as long as you meet the weight/reliability requirements), needs a tuneup once/year, runs on diesel/Jet A, is normalized for 75% power up to 18K ft, has a BSFC below 0.35 lb/hp/hr and costs $10K.

 

That's really what I was looking for, the rest of the commentary just sounds like a rant from an upset old man. That wasn't too hard was it? Thanks for the insight in any case.

Kupo.

Dont take the respondent posts as flippant acidity..it is kind of more like a REALITY check. While a few here are hoping to use them, the Mazda rotary is not receiving rave reviews in the canard world as far as USERS with successful installations...[only one I know of]so a startup company/product rotary isnt going to be met with Cheshire grins and backslapping here in our application. The Ross redrives were kind of in the niche you are describing...out there on the fringe application, but limping along. All it took was a change in ownership/overseership and the product went from fair to crap. Lots of guys share there woes of the past here about buying things that were supposed to be the catsazz and unhappily turned out to be just be a warmfart. Good money wasted. Marc may sound harsh..but you did ask for opnion from our group and he pretty much nailed my thoughts, based on how many rotarys are actually flying in canard configurations. I dont see smaller LSA versions as any different

Sorry...and good luck. =/

Just my 2 cents

Thanks, that's all I needed to know. Have a good one.

You want feedback?

 

If you're asking this question here (where the answer to you question would be meaningless in any case), it's also clear that you have no business model, much less an understanding of the technical issues involved.

 

Present a business plan and a real technical plan, and then it'll be worth responding to the question.

Well, thanks for the cheerful response, good to see support for new businesses and ideas. I'm a bit confused to say the least, when producers don't care about the opinions and concerns of their buyers, the buyers complain, when the opportunity to speak up about what you would like comes up, the buyers blow it off anyway.

Let me see if I can clarify. Of the suggested specs I have listed above, what would you like and what do you want to change.

Man, 40 views and no comments. I'm not sure whether I should take this as my idea is perfect and everyone loves it or no one is interested enough to respond? It's okay to speak out guys and girls, I don't bite (hard.)

Hi everyone,

My name is Vlad and I'm looking into making a purpose built aviation rotary for the LSA/experimental market. I wanted to ask the nice people on this forum to see what kind of interest everyone would have to see if I should continue with the project. Anyway, here are the specs thus far:

-Twin rotor

-Side port intake & exhaust

-Aluminum rotor housing and side plates

-Iron rotor "sleeves"

-Liquid cooled

-Direct driven

-Uses as many oem Mazda parts as possible (oil pan, water pump, oil pump, etc.)

-Custom rear plate for dynafocal or conical mounts

-Custom front plate to fit starter

The plan is for multiple engines in the 80-160hp range to satisfy most builders. Engine weight is planed to be about 1.4lbs/hp. I'm planing to have the engine run 100% rated power at 2700rpm and 75% rated power at 2400rpm. These figures would vary depending on the length of the intake manifold and if any porting was done over factory but you get the general idea. The motor would be sold as either a build it yourself kit or possible package. The build it yourself kit would include the "block" and internals and you would supply all the Mazda oem parts and custom intake and exhaust along with everything involving the fuel injection system (fuel injectors, FPR, lines, ecu.) The possible package would be everything you would need to install the damn thing.

Just as a note, none of this is written in stone, I just wanted to see what interest would be in such a product and comments, recommendations, etc. from the fellow forum members.