All Carbon Fiber! F100 SPEED Kit AIRCRAFT Prototype!
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- Опубликовано: 26 июн 2024
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I know Richard personally. He is a very talented, and great guy! He will most definitely build this aircraft perfectly. I will be following this build :)
2,800 gross / 1,680 empty wt is 0.6 fraction. = believable.
2,800lb / 114ft^2 wing area is 24.56lb/sqft. Reasonable for this performance.
24.56 x 1.03 (down-load) requires CLmax of 2.3 to fly at 57ktas. That is high for GA. But still believable with large slotted/fowler flaps.
300hp IO-540 as described at 14:28. 240ktas Vh (max) speed. This gives almost +8% horsepower due to ram-air. And propellers likely 85% efficient. This requires a flat plate drag area of 1.87sqft. (About what a Glassair III has). But this requires a very low drag coefficient of 0.0164 with 114ft of wing area. This number is exactly the same, to the fourth place decimal, as the number quoted for the P-51D Mustang.
I doubt this aircraft will achieve this low drag coefficient. 0.018 is more likely. This airplane will probably have a maximum speed of 268-270mph or 233-234 ktas.
The designer knows this, as the cruise speed is given as 225ktas. And this is surprisingly often 95-96% of maximum speed. 225/0.96 = 234.
Not to rain on their parade. As 6-7kts is still a very small over estimation as the speeds we are talking about. They aren't dishonest, just failed to factor for Compressibility at 0.35-0.4 mach. ;)
That's some serious napkin math my friend
Been looking forward to this aircraft. 🎉
Definitely looks awesome , and fast ✈️ but a 720 🧐 I’m not sure , either a fix gear .
I actually smiled when he said jet.
Great video! It's nice to see Ckd Aero is doing well and is keeping busy, because I'm also looking forward to their upcoming debut of the structurally redesigned Fisher line of aircraft, since I want to eventually build one of the Celebrity biplanes. Of course, the F100 interests me quite a bit, but I'm not sure at my age, that I need to fly any faster than my old Bonanza goes.👍
Go for it!
Richard is the best!
Looks fast. Carbon monocoque with attached parts instead of chassis based. Would like to see this fly!. 😊😊 Thanks guys. Dave
There are very few tandem seating two seaters in the market, always thought tandem configuration makes for a better two seater that's designed for range and speed. With that 90 gallon fuel capacity, hopefully they will be able to get some impressive range out of this if they stick to a good piston, diesel could also be nice for the fuel efficiency.
At eye ball It looks like scaled tucano fuselage
Don’t know why he would consider the Lycoming IO-720 ? I’m sure there are better choices than the 720 . Don’t get me wrong, I’m a Lycoming user. Not a big fan of the Continental fan , but a IO-550 is better than the 720 . Never have heard anything good about the 720 other than the crankshaft breaking ? Hell put a turbine on it and be finished !My 2 cents
400hp is the reason for the 720…
But, has the economics of twin 360s…
Like flying a twin without having the possibility off centered thrust….
I agree, just put a RR250 on it and be done.
There was a demand for more power than the big opposed 6’s could provide but the 720 proved to be unpopular for a reason
No 720. A turbine is likely, however
@@superskullmaster has anyone seen an RR250 in a fixed wing….?
It saw some development back in 2007, and fell into the 2008 abyss…
Williams has a small turboprop engine of interest…
Where is the announced ASR chute system expected to be installed and will it comprise luggage space?
Looking forward to see if it will better the Epsilon 45 years later
Speaking of 300hp and "jet", I wonder how that company in Australia is doing with their 300-600hp jet engines for experimental aircraft? They had a target price of ~$80k if I remember right? That would work great on this one!! JMHO --gary
I think that was the Turb-Aero (not sure if hyphenated) I live about 20 minutes from where they’re based and do occasionally check on progress which has gone pretty silent since early 2023
Just put a RR250 on it and he done
Can you do a follow up on their F200 please? And please include prices when possible.
I can't wait to see the prototype flying. It's great to see a company take a realistic approach to designing and testing an airplane instead of making youtube videos and nothing to show for, like something Dark airplane.
DarkAero is about to launch their test flight phase in a few more weeks, so I don't get where you say they have "nothing to show" for their efforts. Designing and building new aircraft from scratch isn't something you do in weeks or months, it takes years to get it right. This is especially true, when you're simultaneously developing a company to support the project, when it comes time to roll everything out into production. They're being very smart in how they're doing the entire program, so in the end, they'll have the greatest chance for success, instead of being just one more aircraft company with a dream that goes bankrupt before it even gets out of the gate.
Darkaero is vastly different in their approach and hugely ahead of this aircraft.
Titan sub vibes all over again.
Yes. This airplane is purpose designed to take passengers 90% of the way down to the titanic.
Damnnnnnnn
When are you going to start riding that Volato?
Uhh, the Tarragon has an anhedrial elevator. It will never happen but my dream plane is a blown up mini imp!!
Push rod or cables for the controls... Also isn't is still dihedral since the tail is normally an upside down airfoil?
Carbon fiber tubes for the ailerons and elevator, cables for the rudder.
A little pie in the sky at this point. The 720 is the wrong engine for this project. A lot simpler and economical engine could be had. I would guess this project is at least 3 years from completion. It will look nice but I just don’t think there will be a strong market for it as there are so many very elegant designs out there.
How do You know the -720 is the wrong engine?
Will this be mosaic capable
Clearly not.
54ktas stall speed, nope. 250ktas Vmax. Nope.
If I come to you with my concept can you build my concept airplane?
Yes
Looks like it needs a small turbine…
Funny you say that, the F200 is the twin turbine version of this airframe.
They're starting with conventional prop to make sales and et back their investment so they can start the jet twin.
Please tell me it has a retractable gear
I heard him mention there will be a retractable gear, just not on the prototype. I’m not really sure about twin turbofans, I would’ve thought a small turboprop would make more sense
It will.
What's the approx price for " ready to fly " with 250hp engine ?
If you have to ask…
I think the correct answer is.... "ALL - of -IT!" or... "YES." :-) All kidding aside, it is impossible to give a price point on a prototype and the kit following after. (At this point).
Far north of $1 million 🧭 . LoL 😂
And it's carbon fiber, not fiber glass. It's going to be a pretty penny.
250 hp would be too underpowered. Need minimum 300 hp. Kit Price will be provided once the prototype completes flight testing.
Anhedral
And it will increase stability. Odd that he doesn’t know that…
It will increase stability, but in what flight regime?
Stall speed?
14:37 - Given as 57kts. (Estimated of course, it hasn't flown yet, and most people get this speed wrong).
You had me at twin engine jet :) I'm curious which engines he intends for that. And I assume it will need to be significantly redesigned for that because of CG. All that nose weight coming off. And probably a smaller wing. I wonder what a project like this costs. I assume it ain't cheap. Like million plus.
Yes, million+. Some components will remain the same. As you have suggested the wing will move aft to satisfy CG window. We anticipate at this point wing design will remain the same. Significant engineering yet to be performed.
Sir. Why use All Carbon Fiber? With the Awesome Fiber that US Composite made why not Carbon/Kevlar for strength and Cost Difference!
Many factors go into material choice; strength, weight, dimension, and lastly is cost. You can’t just swop out one carbon fiber for another, it’s not that simple.
Kevlar makes a terrible structural composite. This is self-evident from a cursory introduction to composites. Kevlar does not bind well in resin matrix. It has little to no compression strength alone, and in resin its compressive properties are a small fraction that of IM Carbon or even Glass. The most rational combination for composites are Glass/Carbon. And Boron/Tungsten filament fibers make fantastic material for additional compressive strength. But become difficult to process for small shops.
For him to even mention the IO-720, I question his credibility. It is 140 lbs heavier than the IO-550, which is laughably easy to get to near 400 hp with only light hot-rod modifications. The small turbine idea is the only way to go here.
720 is not being considered. Turbine is, however.
The IO-720 arrives with a factory certified 400hp and long TBO. It weighs 600lb.
The IO-550 has 300-315 horsepower, in the version you quote as being 140lb lighter. The TSIO-550 is a 600lb engine with turbochargers, intercooler included. And it has 350ho in this trim, while easily making 400hp (up to 800hp) this requires Water/Methanol injection and fully custom programmable ECU and dyno tune.
The 720 is the more conservative option, except for distance forward of CG the prop and engine centroid will be moved.
@@EllipsisAircraft The IO-550 in the plane I built, N36LV, produced 370HP with only very light modifications and no engine management system. It had ported and flow- matched heads, a slightly hotter cam, a redline increase to 2800 rpms, one electronic ignition and one magneto.
Looks like a forward CG
You can eyeball an airplanes center of gravity? Remind me to only fly with people of your caliber whenever I want to arrive at my destination intact.
Psh, I already have an F100. It’s from 1962 and can haul hay 🛻
Darkareo Dark Aero looks impotent next to this. Cool plane.... 50% done 99% to go. Hope it comes to flight and market. Long road... crib death in new airplane design babies is high.
Over-estimating abilities and productivity, while underestimating technical difficulties and costs is common.
I'm not insulting anyone. Just stating the facts that a small one or two person effort, with a house refinancing for funding, is usually inadequate.
But can you make one out of steel? And have it run on coal? I mean, if a train could pull all that weight, then what is stopping the same engine from flying with much less weight?
This is where aerodynamics becomes very important...
Cause if you had a cheap fuel, like wood or coal, that could run some type of jet engine, it could be enclosed inside the steel body, which would be resistant to damage, cheap to produce with cast steel, cheap to operate with water and combustibles, and if it had good thrust, it could carry a good ammount of cargo. Making it safer for passengers in air travel, or as a bulletproof gunship...
It would need some good brakes though
nice ,but need be 6 seat single engine plane and super cheap less than 100 000$ and free shipping to asian or europe. then peoples buy and interesting. this have possiple, if use lot cheapen build all handwork to asian and last finished at europe then come cheap and perfect plane.
We look forward to seeing you develop your design!
An engine alone for a 6-seat airplane costs $100,000 new.
Dirty room full of unfinished projects doesn't bode well for this one.
Its not a SUPER SABRE you should have been more creative like your beautiful aircraft.
If you don’t know why the tail plane has an anhedral, stay away from this aircraft - seems fairly basic to explain - and it is not about cosmetics - amateurs in every sense.
Richard was correct, a horizontal with anhedral is what was desired. Simple enough to design into the horizontal anhedral, dihedral, or level.
YET ANOTHER airplane design that looks the SAME as every other design out there. Still has the pilot sitting in the center of the wing and no downward views while flying. The DA-20 and DA-40 designs move the pilot seats much further forward giving them a cleaner and more unrestricted downward views. Boring...yawn!!!
This is like complaining that a Nissan Sentra is just like a Toyota Corolla. 🙄
@@superskullmaster What a dumb example. But since you mentioned it, they are pretty much the same, and I wouldn't have either of them.
Dude you got ratio’d. You sound like a lil bih.
Really no need for such negativity. Why not be positive? Maybe the design isn’t for you. If you are so bored then come up with a design and prototype that doesn’t bore you. Otherwise, no one cares about your opinion.
@robertmiller4969 Sorta like no one caring about your opinion of my opinion. Damn you wasted your time with that. I'm guessing you're feeling pretty stupid right now, but I'm sure you're used to that.