Krog34
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Posts posted by Krog34
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13 hours ago, selfish_meme said:
This guy builds some really cool turboprops, I learned a lot from one of his
[......video.....]
@selfish_meme I totally agree. That Pelican is a sturdy sexy speedy machine! I too learned a lot from that ship and have made my only currently surviving Turboprop since the 1.4 update. This is the KRP-140 and is basically the KRP-99 with a 1.4 compatible engine swap. Performance is slightly increased in the 140 since the bearing is completely housed and not adding any drag, just like JimmyR's Pelican's engine. You can hit 100m/s+ in level flight at sea level.
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@EpicSpaceTroll139 what a beautiful tail. I can't wait to see it in action!
Far from being a production piece, I thought I'd show off my progress on the Kermansky Osprey knock-off!
Spoiler
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On 11/16/2017 at 1:59 AM, katateochi said:
I've managed to narrow it down to a potential culprit, at least for my applications. I notice that if one of the pictures I am trying to add is a GIF (which preview plays during the initial upload phase) then the Drop Down menu for the auto-guess takes significantly longer to process. If there are no GIFs "previewing" I have no problems! As a simple fix, I can just add GIFs once I get to the main Craft Upload/Edit page.
edit: Actually I may be wrong, initially that fix seemed to remedy the issue but it continues to happen
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Hey @katateochi! I've been using your site for some time now and I really like it. But I've been encountering an issue lately after the latest update.
When I go to add Tags to my craft during the Publishing phase, generally the drop down box will try to auto guess what you are trying to type. For me
when this happens, the drop down bar causes a very long loading period that freezes everything and occasionally crashes the browser (Chrome with current updates).
Is this a known thing or am I maybe doing something wrong?
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8 hours ago, Castille7 said:
Thank you! The speeds are terrible atm (9 m/s surface travel not speed..haha) it's really a test model for me to learn all the what works and what don't at the same time getting pointers from you peeps. This is why most are going to smaller aircraft and I might even have to scrap Hurricane Hunter......hope not. I will be adding more shaft and panthers after I finish testing the pitch on these props. My hopes are to not stretch the blades off the hubs to keep it looking more realistic. If the blades need help I am considering basic fins on the inside of these to help with the push. I hope to have some better results this weekend. @Azimech makes this stuff look easy...haha but we know he's had his hours of trial and error
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Not sure if this bit of info will help much, but in every turboprop rendition I've made I've noticed that centrifugal stretching is a huge part of getting the correct lift. Example, I always enable all blades to strut to root parts but if Rigid part attachment is clicked, the blades will produce almost no power at all. In fact, every turboprop I've made can be disabled simply by making the blades rigid, I don't know why it works the way it does xD
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18 hours ago, Castille7 said:
Hurricane Hunter
Update 09.21.2017
Here is a quick update on the Engine Package I'm working on. Looks like I will need more Panthers and Chutes for the drive train because I still have a need for speed...haha
I was able to reduce my part count, I plan to lose more cubes too
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Love the Hurricane Hunter! Similar to my K-29 actually aside from the totally different bearing setup. What kind of speeds are you working with?
In my limited experience in dealing with turboprops, I've noticed that once you reach high enough rad/s on a horizontally spinning turboshaft, you can begin adding more control surfaces (to a point) with limited penalty to the spin rate. I became fond of the triple elevon setup because iirc, their combined surface area was just over a single "big elevon" and had less clearance issues at top speeds during max centrifugal-blade-stretching. Plus it doesn't look TOTALLY unrealistic
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2 hours ago, NoobTool said:
Retreating blade stall. When traveling forward, one side of your rotor is rotating in the direction of travel, while the other is "retreating". This causes asymmetric lift between the two sides of your rotor, leading to a tendency to roll.
OH that's awesome! Something I've known aboiut but I didn't realize that was the specific torque I was dealing with. Thanks for that!
The swash plate is a magnificent thing of science.
On a different note, I hate to have to ask this question so bluntly but haven't found the answer after a bit of searching. How do you see or calculate the rad/s value for rotation? I have no idea how to measure this or what any of my turboprops/shafts put out. I'm sure there's plenty of mods for such a thing, anyway to see such a value with stock gui?
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17 hours ago, selfish_meme said:
Tried the long wings, but I also tried some other things, 2 Panther engine in vanilla aero
Top speed no afterburners
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Top speed afterburners 103ms, this screenshot was like a second later and it was already decelerating
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The fairing drive wheel overheated and blew, might have to change it out for a heat shield
Wow, funny enough I was experimenting with some completely internal turboprops similar to yours but also kept running into the overheat issue! When I removed the outter fairing (exposing drag in all the bad spots) the overheat issue went away almost like it models insulation effects...which it might... I don't know enough about the KSP physics engine.
On a separate note, I had a small break through on forward flying single-turboshaft helicopters that use a powered main blade (as apposed to auto-gyrating.) It seems that simply canceling the counter-steer engine, powering down the main rotor, and applying a forceful push from behind (gigity?) you can start to fly your chopper sorta like a weird jet. It's fun, and enjoyable to fly! The main blade and bearing hold up to a lot of abuse, a surprising amount in fact. But like all turboprops/shafts they have their limits
The only noticeable issue I have with this helicopter and it's handeling is that it wants to constantly corkskrew when flying forward. It can be easily counter-steered though, it just takes a steady hand. I suppose using a keyboard isn't the most efficient way to fly a helicopter though in the first place!
Spoiler
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10 hours ago, selfish_meme said:
I think that one thing that may help you improve the speed is put nose cones in front of those fairing bases, they would be huge drag sources.
I've an iteration of those engines that uses a nose cone and it does improve efficiency but not by enough. The Brawler Engine is more aerodynamic but still hits a wall at around 95m/s and my bearings can't handle much more than 4 panthers blowing at max on them as of now. The fastest engine I have now is actually a version of the ones on the K-25 and K-29, hitting 100m/s at 5000m and then it runs out of oomph haha!
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Hey guys, thought I'd show off 2 of my latest turboshaft projects. I've been ever improving the "Kermansky Engines" lately, now incorporating some wheels to stop the rotors from wobbling during high G maneuvers. This is has greatly improved their reliability. As of yet my engines have been high power low speed but I like the progress so far, experimenting with some dual stage propellers, we'll see where that leads
The K-25 Emancipator (B-25 Mitchel knock-off)
Spoiler
K-29 Super Stronghold (B-29 Superfortress knock-off)
Spoiler
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2 hours ago, Artem Kerman said:
You playing without the DX11?
I'm playing with a newer version, DirectX 12
But to be honest after re-reading this thread I am going to wait to use this Mod until you straighten out your licencing and give proper credits.
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Hey there, been experimenting with this mod and I'm having an issue where the sky and water are always a bright yellow/white color. Is this common? I've no other graphical mods installed and am currently running v1.3 64bit.
Spoiler
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18 hours ago, selfish_meme said:
Those bearings look like @EpicSpaceTroll139's, it seems they are very resilient to g-forces. It's an epic craft though by any measure, and wow, did it get some air time on reddit.
Yea, they are very much so inspired from EpicSpaceTroll139's designs, as well a dozen other amazing builders. Posted that to reddit at like 3am and woke up understanding what they mean by RIP inbox haha
16 hours ago, The Space Dino said:How did you build that, looks awesome
A lot of times, I have to add 1 part at a time and launch the craft to make sure that it wasn't that one particular part making the craft randomly explode. It's tedious but symmetry mode is your best friend! I've build upon each my previous successful renditions so the bearing gets better over time (at least perspectively)
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1 hour ago, katateochi said:
Minor site update:
Couple minor fixes, but one that had been really annoying me and until yesterday I just couldn't find a solution to; image albums on craft pages when viewed on a mobile would sometimes show the image squashed into a thin band and also albums wouldn't resize correctly when switching a phone from portrait to landscape. Both those should be fixed now.
I've also tweaked how the thumbnail scroller on albums works, I think it's better now.Also trying a bit of an experiment with the database configuration, shouldn't cause a problem, might fix some timeout issues the site's been having. Let me know if you get any weird errors showing up!
On Friday the site hit I think the second highest number of users on the site. Usually KX gets about 2k unique users a day, on Friday it was nearly 10k! All because of this craft by @letmeparkthatforyou (who I don't think is on the forums. edit: just found out he's @Krog34 on here). If you've not seen it check it out, pretty nice design.
I really love your site katateochi and boy was I surprised to post that craft really late at night and wake up to it rivaling my highest downloaded crafts JUST over night, sorry to crash the site haha not my intentions!
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Hey everyone, wanted to drop by and show you the 1st chopper in my second generation of stock Turboshaft copters (at least for "Kermansky Helicopters"). First generation copters only use a single main rotor while my 2nd gen utilize two. Let me know what you guys think. This is my most stable VTOL craft I've come up with surprisingly, even with spool up times considered. Please abuse the hell out of her, she can take a beating and is very nimble! She's, The Kraken Killer.
Spoiler
In the above GIF, you can see a quick demo of maneuverability and fast transition between forward flight and a stable hover.
If for some reason you felt like flying the VTOL-capable Kraken Killer like a plane, you sure as hell can.
Economy mode would be all six engines not afterburning. It feels like flying a hybrid plane/helicopter that has a very low stall speed.
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The Kraken Killer
Somebody asked me if I could create a "futuristic" looking helicopter and this is my response! Drawing inspiration from all across the board, including the Halo Pelican, the Fallout Vertibird, the C&C Orca, the Aerospatiale SA-2 and so many more. Though it may look different, the VK-02 is a traditional Turboshaft vehicle. Pumping out about 270kN per rotor and with a top speed of around 115 m/s. The Kraken Killer is easily the most stable and fastest Kermansky Helicopter to date. Even the greenest beginner should be able to pilot this craft with little trouble!
How to Operate:
1. Releases Rotors
2. Toggle VTOL engines
3. Toggle all Afterburners (craft will lift off if only VTOL is activated)
4. Toggle 2 of 4 Forward movement engines
5. Toggle the other 2 of 4 Forward engines
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5 hours ago, Castille7 said:
That's a smooth riding machine man! I took it for a spin.....
Got a nice shot with the Mountains in the background
..Ran it out of fuel and got up to an altitude of 5300m...ish
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With some skills, landed without Rotor Power and very minor damage
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So glad you like it! It's weird seeing other people drive my crafts! It's like seeing your own car being driven away haha! I tried to auto rotate from 2,000m but I crashed with maximum damage
I predicted, but never posted, that this Copter had about 25-30 mins of fuel on full throttle. It seems I was about right!
There will be more copters in the future!
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Kermansky KM-60
Borrowing a little bit from the looks of the Sikorsky MH-60, the KM-60 is the culmination of hours of trial and error and hours of taking apart other people's helicopters! Able to lift a total of about 60 tons. She uses 4 panther blowers to spin the 4 bladed rotor and a single panther with full gimbal enabled to counter the torque-spin and to help with unwanted roll at speed. Limited to about 40-50 m/s she isn't too quick but is user friendly.
Controls:
1. Release Turboshaft
2. Toggle Main Engine
3. Toggle Wet Mode (lift off)
4. Toggle counter-steer engine
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Oh wise and great turboshaft masters, I've been having a problem with a design of mine and I'm a bit stumped. I hope this is the right place to post this!
You see, I've found myself in love with the coaxial copter, the Sikorsky S-97 Raider. So I've set out to make my own coaxial design. I've come to a crossroads however. I'm debating abandoning the design and trying something new but I'd like to see if anyone has input before I totally go back to the drawing board. The two rotors are on separate action groups for testing. The upper rotor can achieve full throttle no problem, while the lower is just not having any of it, only achieving 1/3 throttle stably. I've adjusted and tweaked just about everything but the weak link seems to be the structural fuselage every time.
IDK ¯\_(ツ)_/¯ let me know what you think....
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7 hours ago, Azimech said:
I've taken the liberty to quote this from a forum:
Personally I haven't tried a two-blade rotor system in my designs. I always prefer three because when testing I couldn't find an advantage when using 4, 5 or 6 blades ... and I feel with two blades ... there's something missing, yo!
In my limited testing with the two-blade rotor, I've noticed a need for less SAS authority. Though I'd like to play a bit more before making any definitive statements
Meanwhile:
Still waiting to see a 771-Turbo Rocket Porsche destroy one of the leader boards, Azimech
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9 hours ago, SpaceTrashCan said:
So we don't have size regulations on the expert challenge? That would open it up a lot. had a lot of trouble getting a helictoper this small
All rules still apply, so even if I had made a flawless run, I don't think it would be fair to count it haha! Just fun to attempt!
5 hours ago, qzgy said:@Krog34 - that looks quite good for a turboshaft helicopter. @Azimech can probably give you more advice on his stock turboshaft thread, but I would say (in my limited experience) maybe to add another blade and move the engines a bit further out to the edge of the heatshield.
Link to the threadThanks qzgy, I definitely took apart a lot of azimechs copters and some epicspacetroll139 choppers before I made this version. I'm rather fond of this Dual-blade rotor. It spins much slower than shorter tripple rotors which works out great because my bearing tends to splode at higher RPMs!
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Well, I was THIS close to getting a solid Expert Challenge run down, and with great time even but the Kraken has a plan for us all. And for me, that plan is rapid unplanned disassembly, whenever possible.
I guess this sort of beaks the "Mk3 size rule" anyways, but it was still fun to try
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On 6/23/2017 at 9:15 AM, rkarmark said:
Could you please make a elektric category?
The demand seems to be there, a new Electric Leaderboard is now available. All other rules still apply, lets see what you got rkarmark!
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2 hours ago, qzgy said:
1 Minute 36 seconds, but no video. I have an image of me going past the monolith though, and I did follow the entire course.
Beat that.
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Also, need proof it fits?
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@Krog34 , is it okay if I do get a video recording that that time is replaced with this one?
Damn, and even after I called you out on Youtube!
I'll take my defeat graciously, pretty awesome car setup you got there. Makes me wish I'd thrown a few more twitch engines on and another few gallons of rocket fuel!
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Congrats qzgy for stepping into the current leader spot for ground-based vehicles! I'm not sure what you mean about the video though, you would like the time from the video or this 1:36?
5 hours ago, Jollyfellow said:New time to beat!
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(Now with music!)
Wow nice! I can tell you've improved over time in your racing haha! I'm going to allow you to use this time as your VTOL time seeing as how I sort of defined the rules and leaderboards as you were submitting your runs. It will replace your current time on the VTOL leader board but you won't be able to submit for a better official time. However, you can try the expert or rover challenges if you'd like
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River-run Air-race Challenge
in KSP1 Challenges & Mission ideas
Posted · Edited by Krog34
grammar
I flew my homemade X-3 Stiletto out from the KSC to see what all this hub-bub was about.
Made it to homeplate to begin and completed the course on track for roughly a ~9-10 minutes pass only to have disaster strike in the final descent!
My front landing gear was jammed! But by the time the problem was sorted out it was too late and homeplate was coming up too fast!
Watch Jeb's brave final moments before being disqualified from the run