STOL Creek Aviation

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@warrenmassey4029 3 ай бұрын

Can you confirm what your speed and climb performance increases are. 🙏🏻

@scoot77777 3 ай бұрын

Very nicely Done! Wish you could install this on my Airplane 🙏

@scoot77777 4 ай бұрын

Very nicely Done! Great video 🫡😊🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸🇺🇸

@smartparts90210 6 ай бұрын

What is the setup on the suspension? Is it wider and more forward than stock?

@LTDan-hu5fq 8 ай бұрын

Great video thanks but i would stuff rags or plastic plugs in those head intake holes so you don't drop something down one!

@reggiepaulk 11 ай бұрын

Did that airplane use to have a Jabiru motor?

@portnuefflyer Жыл бұрын

Yes, the Kitfox (I had a model 1) boot cowl give great access to the behind the panel area, but it also lets in water running off the windshield, unless your cowl seals real tight. I like the RANS I have now boot cowl better, as the windshield overlaps it. BUT...., having just spent much time upside down with my head by the rudder pedals doing wiring on my own EDGE EFI install, gives me a re-newed appreciation for the Kitfox cowl!

@serfrobles5514 Жыл бұрын

You did not show any of the press out / press in process. We watched you work. You didn’t really show us anything.

@benbrannen755 Жыл бұрын

Seems like there should be a log of each parts measurement while going back together. Like bottom ring thickness x thousands, next ring x thousands etc... that way impending failure can be tracked and prevented once enoungh data has been collected.

@The806Traveler Жыл бұрын

Where does the fuel return line go? Back into the header tank? Do the fuel caps on the wings have vents? Trying to wrap my head around the whole EFI thing.

@stolcreekaviation5507 Жыл бұрын

Yes the fuel return goes back into the header tank. Both tank caps are vented and the header tank is vented to the right main fuel tank.

@The806Traveler Жыл бұрын

Thanks!@@stolcreekaviation5507

@DavidWebb-rz3vi Жыл бұрын

Thank you for the video! I'm preparing to remove the gearbox from my 912ULS, then take it to a certified Rotax Repair Center for inspection or rebuild. After that, I will install it using the method you showed in the informative video! Rans S6ES Coyote ll.

@texasspinesurgeon Жыл бұрын

Excellent video!! Be aware! Tetra ethyl lead which is present in 100 LL goes straight through your skin and is Neuro toxic. You should protect exposed skin with gloves. I am a pilot, a doctor, and have a degree in chemistry. I also got exposed to lead as student pilot due to me own ignorance. Learn from my mistake.

@blairkrukowski3806 Жыл бұрын

Excellently well-done instructional video........Unfortunately, camera placement and lighting prevents ANY visual clarity when showing the audience the details!!!

@dieseldan5189 Жыл бұрын

Does the Rotax charging system provide enough amps to energize the EFI system and pumps as well as Avionics and lights? Or did you add additional charging capacity? And how much horsepower does the big bore kit.add with the efi?

@stolcreekaviation5507 Жыл бұрын

The stock Rotax alt is rated at 20amps at full RPM. The EDGE EFI uses 6-7amps so the stock charging is usually enough but struggles at idle. We do offer secondary alternators for more charging power plus redundancy. The 1484cc Big Bore adds 14hp and the EFI adds 6hp bringing it to 120hp total.

@dieseldan5189 Жыл бұрын

@@stolcreekaviation5507 thanks for the reply. I think those overly powerful external fuel pumps use the most amps. I saw an elegant design that copied automotive tech where low amp submersible fuel pumps are mounted in the header tank. These pumps don’t need to cycle so much fuel to keep cool since they are submerged in the tank. So they only draw about 2 amps at the most. The pressure regulator was also mounted inside the header tank which eliminated an external return line. 20% increase in power is substantial. I wanted to put an Edge EFI on my Rotax but the plenum would not fit. I bought an SDS efi system instead. SDS managed to eliminate the plenum. The Rotax mostly keeps its stock profile.

@johnswofford908 Жыл бұрын

Looks great Michael. Can’t wait to bring in 1078P in for its efi kit.

@foesfly3047 Жыл бұрын

Since this installation features an oxygen sensor, does the owner plan to completely avoid leaded fuel? … or is the sensor used only during an initial calibration/tuning phase, then taken out of the ECU read-loop?

@stolcreekaviation5507 Жыл бұрын

All of our EFI systems use an O2 sensor for initial tuning and setup. Then it can be removed and run closed loop from the ECU fuel map (for 100LL use) or it can be left in and stay active for fuel trimming.

@cnoz7247 Жыл бұрын

Stop teasing me.😂😂😂

@zackerymichalek5542 Жыл бұрын

What did the cost on this setup look like

@raymond3803 Жыл бұрын

A zipper low compression big bore gets 104 HP

@foesfly3047 Жыл бұрын

I just found your channel an hour ago and am so glad. I seriously wish you success in your business and that your KZbin channel helps bring new customers. I don’t have interest in STOL; my plane is a Skystar Pulsar III with 3300 Gen-4 Jabiru. But I’ve owned 912ULS in a previous plane and these Edge Performance upgrades are compelling.

@stolcreekaviation5507 Жыл бұрын

Thanks FoesFky.

@foesfly3047 Жыл бұрын

Your mods here might be simple but actually they are both brilliant. The second one adds the secondary benefit of improving throttle control resolution, so that a given amount of control input results in finer control of the fuel system. I’m certain You know that but your audience will be happy to as well.

@foesfly3047 Жыл бұрын

Edge Performance products are about as exciting as anything in the light EAB world.

@MsRandiCook 2 жыл бұрын

You would think Rotax would offer different throttle connections for various installs. Thanks for the fix options!

@stolcreekaviation5507 2 жыл бұрын

This is on the EDGE Performance fuel injection.

@Bill3558 2 жыл бұрын

It’s a pleasure to watch someone who knows what they are doing. Thanks for the video.

@TomSmith-vf2ox 2 жыл бұрын

I used to run VW motors for performance. You can increase HP by making a bigger air cleaner. Like the size on a car. Try looking at a air cleaner for diesel trucks. I used to buy VW's with small air cleaners and flip for money. They were starving their motors for air.

@nickr5658 2 жыл бұрын

Can you install this kit on a certified 912 f3?

@stolcreekaviation5507 2 жыл бұрын

We do not have an STC for the big bore kits. The engine is the same but it would have to be installed on an Experimental aircraft.

@the_worldoflive 2 жыл бұрын

👍 Thank You! Sertificate 22-097

@DIYPackraft 2 жыл бұрын

Thanks, this is helpful. Please keep posting EFI kit installation videos like this.

@Mike-01234 2 жыл бұрын

Aerotrek as good as a kitfox yet about 50k cheaper. Aerotrek is a SLSA are you allowed to modify the engine is Special light sport different then like a Certified aircraft such as a Cessna 150.

@tonylam9548 2 жыл бұрын

I think Edge should spend more time working on Yamaha engines and to get the cost down. The Rotax line you started with an already expensive engine add another $15,000 to it and ended up with just a few more HP than the 915 and a few pounds lighter. You did not do the industry any favors for all along, one of their biggest enemy is cost. Anything can be done if money is of no concern, the old say, what is engineering, to do something for $3 that any fool can do for $10.

@julesviolin 2 жыл бұрын

What can we boost our 914UL to chaps? We need 130bhp but only to climb up to 200ft towing a heavy 2 seat 800kg glider. Above the 500ft safe height 115bhp would be fine. I'm thinking: Tweak the existing turbo boost above 40mBar, with a boost controller. Fit an intercooler (even if it has to be fitted externally to the cowling) Most importantly we need a larger capacity oil cooler as the oil temp gets to top of the green 110C by the time we've climbed to 3000ft.

@stolcreekaviation5507 2 жыл бұрын

When we put the EDGE EFI and intercooler on the 914 we got 126hp. That was as 41in/hg.

@caseyroman58 2 жыл бұрын

Late to a past conversation, but regarding welding crankshft journals; how much welding is done, stress relieving, crank alignment, etc.? I come from a performance motorcycle background and I recall reading how welded cranks were breaking due to stresses imparted by the welding process. Once company went to a special anerobic adhesive to lock the crank alignment and no more crack issues. With all the Edge engines flying, it seems the welded crank is not an issue. Just curious as to how tbey got there.

@stolcreekaviation5507 2 жыл бұрын

Yes the crank will break with a deep hot weld. We have just been getting in and out quick with a light tack weld (not incorporating to much heat in the web) and the crank does fine.

@beachboardfan9544 2 жыл бұрын

How do avation engine manufacturers keep the cylinders from wearing uneven? Using a horizontal engine wont the pistons wear the bottoms of the cylinders quicker, eventually causing blow by.

@stolcreekaviation5507 2 жыл бұрын

The connecting rod is offset to help a little with that but these engines have no problem running several thousand hours without that being an issue.

@petermelby1637 2 жыл бұрын

Looks great Mike, bet that Christine is going to love the FI & integrated wastegate control. Can't wait to get my install going.

@kkiwi54 2 жыл бұрын

I've got a new gearset ready to go in my 912UL (no clutch) but not a new doghub. Should they be replaced as a set? 🤔

@stolcreekaviation5507 2 жыл бұрын

It is recommended but I wouldn’t say mandatory. The two gears are the only mandatory matched set. It would really depend on the condition of your old dog hub, you would hate to mess up your large gear right away with a badly worn dog hub.

@kkiwi54 2 жыл бұрын

@@stolcreekaviation5507 Thanks for that :)

@larryvandegrift3553 2 жыл бұрын

Christines ride?

@stolcreekaviation5507 2 жыл бұрын

Yes it is.

@nathangrimes641 2 жыл бұрын

Nice work. Looks fun. How does it fly?

@stolcreekaviation5507 2 жыл бұрын

The owner loves it.

@bradybergen3837 2 жыл бұрын

That looks like way too much fun 😁

@EdgePerformanceNorway 2 жыл бұрын

Relocate elbow from cyl 1-2-4

@chrisaerts6489 2 жыл бұрын

Thanks Mike . After our conversation about Edge products Ill be watching all of your videos. Best way to get HP with out gaining weight.

@drummerjv217 3 жыл бұрын

Could the EP912STi be an alternative replacement for a 915is on a Sling TSi?

@stolcreekaviation5507 3 жыл бұрын

Yes it would. One thing to consider would be weight and balance with our engine coming in 35lbs lighter.

@CucinaCottage 3 жыл бұрын

Michael, Appreciate you sharing this information and explanation. Refreshing, unlike some other shops who like to build a mystery.

@hercpilot185 3 жыл бұрын

Any changes to the empty weight with this modification?

@stolcreekaviation5507 3 жыл бұрын

Depending on the installation it is normally 2-3lbs lighter.

@paulgodfrey2323 3 жыл бұрын

What's with the original balance tube is that aerotrek mod?

@stolcreekaviation5507 3 жыл бұрын

It had a Flygas intake on it.

@rpbishop3079 3 жыл бұрын

Unfortunately, the people that are really interested in what you’re doing can’t see through your eyes or read your mind. Watch your own video keeping in mind you’ve never done this before, and you’ll be surprised. Put a simple cam on your visor or above your bench that you could angle at your press now and then. Watching someone perform magic or music is one thing, instruction is yet another. Your camera view should be nothing less than what “you need to see” to accomplish a given task. Anything less are not worth a thumbs up, let alone a subscription. “LET ME SEE WHAT YOU SEE, AND THEN TALK ABOUT”... and I’ll be back!

@stolcreekaviation5507 3 жыл бұрын

I can't say that I would promote someone doing their own gearbox work without Rotax training ( I know there are capable individuals out there but I still can't promote it) that being said this is not intended to be an instructional video as much as an informative video to show what is going on at the shop.

@doncatchpole7370 3 жыл бұрын

Results of flight test?

@swarajsandhu 3 жыл бұрын

How much does this kit cost and is it certified?

@stolcreekaviation5507 3 жыл бұрын

No it is not certified, but most Rotax's are not certified either. The EFI kit is $6,500.

@davidmarkus3594 3 жыл бұрын

Did it make much of a difference? I have a 912uls and considering the edge big bore kit. In told it makes no difference in the air? I can't see how that would be but I don't know anyone thats gone it so I don't know. Any feed back be much appreciated

@stolcreekaviation5507 3 жыл бұрын

Yes you can tell a difference. With the 1484cc big bore you are adding 14hp, that means more pitch in your prop and higher cruise speed. It is hard to make a high drag airplane go faster but the more aerodynamic you are the more speed you will get. Everyone notices the the better take off and climb performance. For reference a KitFox type aircraft will pick up about 5-8mph.

@Curtster1962 3 жыл бұрын

Question for ya. I hear 600 hours if the motor is run on “a lot” of avgas, 800 if on “some”, and 1000 otherwise. I’m the third owner of a plane with 570 hours, and the other owners “mostly used” auto premium. What’s your recommendation? Thanks!

@stolcreekaviation5507 3 жыл бұрын

The biggest thing in my opinion is making sure the gearbox is still shimmed properly. How much the engine has been run at low RPM where the gear box is chattering makes a big difference, flight schools are the worst about this. There is a dog ear friction test that can be done to get a gauge on how it is shimmed and getting a trend line with that is even better. Cleaning the lead out of the clutch pack is good but I have not seen it really bad after just 600hrs.

@Curtster1962 3 жыл бұрын

@@stolcreekaviation5507 thanks for the reply. I don’t notice chattering that everyone talks about, but it’s my first Rotax motor, so maybe it is there and I just don’t know it. Run it!

@gregwatruba4541 3 жыл бұрын

What ended up being the total hp?? And fuel burn?? Thanks.

@stolcreekaviation5507 3 жыл бұрын

The 80hp engine with the 100hp cylinders will make about 95hp because of the 80hp cam. Add the EFI system and the total HP should be close to 101hp. Fuel burn should be between 4.5 & 5gal/hr.

@TheJasonmurphy2005 2 жыл бұрын

@@stolcreekaviation5507 how would this compare to the fuel burn on a standard ULS.

@stolcreekaviation5507 2 жыл бұрын

@@TheJasonmurphy2005 The stock 912uls will average at about 5.5gal/hr.

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