Fly with Gus, Inc. First flight of our CH750 with the 97hp UL260i FADEC engine. FADEC means that all engine parameters are automatically controlled, leaving only the the Throttle control to the pilot. Electronic fuel injection eliminates carburetor icing issues and needs no mixture adjustments. Variable Electronic Ignition allows for easy starting in all weather, and smooth operation through the entire RPM range. ULPower engines come in 97, 107, 118, and 130HP versions and all have excellent power to weight ratios. Firewall forward installation kits are available for the CH601/650 series and the CH750. Custom engine mounts are available for any applicable aircraft.

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Location: Edgewater, FL

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Comment by Tom looper on April 17, 2010 at 9:22am
H
I watched your video of biulder assist.
I have little experiance with the 750.
So I thought I would ask some one with some experience with the plane.
I sold my C170 b ( to much FAA interference with maintenance and to costly to maintain! ) I have purchased a Corvair and plan on the 750. But don't want to be disappointed . I like to go to neighboring states with the wife want to go to 10,000 and fly straight there.
Does any one have experience with this configuration ?
The HP seems more than adequate and price is perfect!
Please offer your opinion. Price and an old mechanics ability to maintain the eng is a must. I am retiring on a fixed budget soon.
I have seen a couple of 601's and they seem way to small.
I cant find any one close that has a 750 I can ride in.
Should I go to the 801? but, Then I need a bigger engine and well seems to big and the eng expense is to high.

Does the corvair have the reliability and size to handle two average sized adults with a couple bags to go on vaca?
Comment by Jay Parker on April 14, 2010 at 5:34am
I just received a brief email from Airmasters CSPs and this is what they sent back to me:

Hi Jay

Thanks for your email

I am not aware of the details of how the UL FADEC works so I will have to find out before I could comment.

I have attached a general information sheet on the AP4 series. It could be that the UL350 would requrie a three blade unit considering its power rating.


Regards,
Martin Eskildsen
GM


Airmaster Propellers Ltd
Phone: +64 9 833 1794
Fax: +64 9 833 1796
View our web-site at www.propellor.com
E-mail us at support@propellor.com
Comment by Jack W Hallmark on April 13, 2010 at 8:43pm
O.k. Thanx Gus!

I have yet to reach the prop portion in my A&P classes, but would it be possible to use a 4-blade prop ( such as Warp Drive ), or is the prop blade number limited by airframe and engine constraints? Again, Thanx!
Comment by Gus Warren on April 13, 2010 at 7:42pm
The electric constant speeds work well. Both the Hoffman and MT electrics have been used on UL engines. Remember that the pilot is selecting the manifold pressure with the throttle and the RPM with the prop. No different than adjusting prop pitch on a ground adjustable, the engine will run ideally with the load that it has at any time. Also remember though that in-flight adjustable props aren't light sport eligible.
Comment by Jay Parker on April 13, 2010 at 12:38pm
Jack, I just sent out an email to Airmaster on that prop this morning and for them to wake up in New Zealand & waiting for them to read it. I was concerned myself with the 130HP of the UL engine and them saying that it can handle 120HP or if they can even put one on a UL engine. Their prop says up to 3300 rpms so I don't know if HP even factors in. There might also be a conflict with the two computer systems fighting each other in a struggle to optimize performance. I'll let you know when/if I hear back from them.
Comment by Jack W Hallmark on April 13, 2010 at 12:10pm
When ( IF! ) I get to build mine I would like to add an in-flight adjustable prop, either IvoProp or Warp Drive. Anyone have an idea about the feasibility with doing that on a CH750, let alone one with a ULPower engine? Thanx!
Comment by Jay Parker on April 13, 2010 at 12:02pm
Gus;
I may have talked with you on a blog on Matronics, and if so, you got me looking at the UL350iS as a possible engine for my CH-750 when I do build it. I had originally been considering the Jabiru 3300 until this blog on the Matronic's Jabiru forum. So you folks at Fly with Gus, Inc can supply an engine mounts and cowling for the CH-750, because that was one of the plus bonus' for going with the Jabiru engines? The real eye catching features I like with the UL engines are the fuel injection, air cooled, weight and the FADEC system and although your engine is a bit more expensive it may be well worth it in flight savings. After watching your video, the cowling you have on your 750 appears much more streamlined than the one for the Jabiru. I'd like very much to see more video on the UL and 750 when you find the time.
BTW, do you think an Airmaster constant speed prop system would work along side the FADEC or would that be like too many chefs in the kitchen trying to over improve performance characteristics?
Comment by Jack W Hallmark on April 9, 2010 at 11:02am
Thanx!
Comment by Gus Warren on April 9, 2010 at 10:59am
Dual ECUs are not necessary, although they are available. A sensor failure is a more probable failure than an ECU failure. The ECU will continue to run the engine with 3 sensor failures, which is even more unlikely. The engine mount is for a 750 with a ULPower engine supplied by us as part of a complete FWF kit. It could be ordered separately.
Comment by Jack W Hallmark on April 9, 2010 at 10:21am
I would really love to build a CH 750 for my senior project at college. I want to use the UL350iS, with a backup ECU and dual lightweight fuel pumps. What engine mount do you use? I see the parts that are welded/fixed to the mount frame, but what frame? Dynafocal? Jabiru?

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