 What? Oh, it doesn't sound so happy. Oh, okay, here we go into the ground Hey guys, welcome to Rotorite. I'm Bobby FPV. I'm let's flyer C and heat hey guys. Welcome to Rotorite. I'm Bobby FPV I'm let's flare seat. We're doing it. Okay, which one are we doing? What's up everybody welcome Rotorite. I'm let's flyer C No, well, they didn't know which one they would go now which one What's happening buddy welcome to Rotorite. I'm Joshua Bardwell. This is let's flyer C and I'm Bobby FPV And here's what we want to know today. How many G's is your quadcopter pull like you've seen footage of fighter pilots and test gears We don't have that problem because we're not on board our quadcopter. So on the other hand We don't have fighter jets, but on the other hand we got some pretty incredible thrust to weight ratio It was like 12 to 1 or something. Yeah, it's pretty impressive So I want to see how many G's can our FPV drone is pulled. There's a problem How are we gonna measure the G's that our drone is pulling? Well, it's a very good question Bardwell, but our GoPro's have a very nice feature So if you turn on GPS you actually get GoPro telemetry and this allows you to see the speed you hit The vertical speed you hit and also how many G's you are pulling so I always put the GPS on my GoPro But I assumed that it was just so that it would know where it was when I lost it Yeah, but I guess it apparently does something else. Yeah, so there's a lot of stuff So if we go into the settings click GPS turn that on that's all you got to do So once you start recording it'll automatically record all of the telemetry and then you have to connect it to your phone And then just overlay it on top of your footage and then you're good to go awesome. Yeah, that sounds cool So I'm looking at the stuff that it records and there is a whole bunch of stuff there That's kind of interesting But like not super topical for today and I was thinking we could try to get a quadcopter to experience the maximum vertical speed and Maximum G forces all the cheese and we just take turns trying to do that and just see what we can hit Let's do it. If you don't have a GoPro Then there's another way to get G forces and that is if you have a black box storage on your flight controller Then of course your flight controller has an accelerometer. It can measure G's So you don't have to do this with a GoPro But we're not 100% sure we have a flight controller with black box on it at least not on any of the quads I'm willing to put up for this video What why don't I just feel like there's some risk here. What's the risk? Oh Data flash free zero we do not see no data flash chip found that means we do have data flash That means we can do black box logging sweet. So let's head to the head over here to the black box Let's erase the data flash and it will start logging and then we should be able to get G forces out of it How many G's do you think you can handle? Well, I'm handling one G right now one G is the earth's gravitational acceleration Okay, and that's what we all experience every day more or less unless you're on another planet Okay, and then so like it to G's you do two gravies you would weigh twice as much Okay, your body instead of weighing whatever you know 200 pounds away 400 pounds. So G's essentially gravity. Yeah So you know three etc as G's go up bad things happen like literally you get heavier The blood like gets sucked down to the bottom of your body if you're standing up You lose consciousness and then eventually you die Okay, so what do you think the maximum G's a human can take well? I think I think like the record is somewhere around nine G's like fighter pilots experience high G forces They have special suits that like compress the blood and bless the muscles in their calves to keep the blood in their brain And they have exercises they do where they go like But like I think for a typical person so like nine earths pulling down on you. Yeah, no, it's much I think we can beat that. Okay, do we think that the weight of my drone will affect how many G's it will pull Yes. Yes. So G's are G's are we're talking about G's in terms of this earth's gravitational acceleration Yes, but except all acceleration is G's acceleration in a car speeds up slows down turns the heavier The quad is the slower. It's gonna accelerate. Okay make sense. Yeah, like more mass more inertia slower acceleration Yeah, so yeah, the weight will affect it. Okay So my drone weighs about 860 grams for reference. So So is that gonna create less G because it's slower reacting That's the theory. Okay. They're the same power more mass slower acceleration. Cool plug in So this pack I I'm just gonna do a normal freestyle and not even really try to pull as much either It's one of those want to see what normal flight how many G's I'm pulling. Yeah, so good point. Good point What's the matter? Oh Battery Well, but you've got a pretty smooth style to begin with You don't have like a super punchy style to begin with I bet you have relatively low G forces probably Compared to some other pilots Yes, like it's flying style is definitely gonna affect, you know, how many G's you're pulling I'm curious cuz like you're doing, you know power loops and stuff And it's like if you were on board that aircraft What experience would you be having would it be like me or would it be like what about a trippy spin? Is there something here you can trippy spin? Yeah tree. I wonder if that tight kind of turn around an obstacle We'll generate more G's. I'm gonna try the reverse trippy spin that might pull some keys there. Uh-huh Love the ground. Anyways, we've got the little little bumpy. Uh-huh So does this thing calculate G's over time or does it only calculate the max G that you hold? Because he just tapped the ground and that might throw off there. I think it's real time, isn't it? It's real time. Okay, cool So you can literally see which part was what G that's awesome Yeah, how many G's per Trick you could literally figure that out. That's pretty cool All right My trick don't try to do my trick. You were trying to do my trick That was I want to power loop up and then come down through the gap between the Sign I feel like it's I'm real close to getting it. Oh, I'm freaking broken from the wind isn't helping So for that flight I think a lot of the times that I'm going to be pulling the most G's are Probably on some of the hard stops. I do only one way to find out assess it Oh, so I'm gonna have to do it on my phone. Oh, it's on the phone. Yeah view media joint, okay Connect to the GoPro so we're gonna watch your flight footage with the g-force overlay So you have to download it to your phone first. I believe you think So how do we get the overlay? We click on the bottom? We go to at the edit. So go here Scroll over to stickers stickers. It's in a weird place stickers stickers. Yes, it's a sticker It's a sticker so we can so they can go here and we can choose as logos pedometer terrain path speed chart Altitude and g-forces what we want for this one. Okay. All right, so we got G's on screen right now We were to save and render it. We got to save it here. Okay. We're gonna take it off zero G's apparently Um, it should read one G always then something's wrong here. It's broken. It's broken. It's not working Also, I'm going way faster than 11 miles an hour. It's half the metal work But didn't work, but there's this third party piece of software called telemetry overlay Unfortunately, it's not free and it does report the actual correct g-force information. So we're gonna look at that instead Here we go. So let's go to the beginning of the flight. Here we go. And what is this? Oh, yeah, the little red It's pointing down that's feet altitude. You can see the red facing down for the direction of downwards. Oh, yeah So you go down to close to zero G's when you're in freefall. Yep, which is right I'm seeing three G's That's okay 2.5. Yeah, most of salvage. There's one one G. We're just flying straight two G's when you're on the Yeah, three to four This is interesting It's weird how it goes below one in freefall. I guess it makes sure but oh, hey four four Not as many G's at the bottom of a drop A little smooth coming out of the drop. Yeah, let's see here. This is okay. It didn't even hit four there Did you go through that gap? Yeah Shut up You you listen It was the other one though. It had to work so hard to hit that gap. I mean I crashed at the end too Did you just flip it like a no big thing not there now not that one. Yeah, and you turned around halfway through This kid Five I just saw five. You go back and see five. How do I go back in this thing? Big drop here big drop and I'm sure it was a throttle. Yeah, he was at the bottom of the drop and then on the throttle coming back up five G's This is interesting. I thought it would be higher than five. I thought it was five 4.7 through the power loop I did think it'd be a lot higher than like I mean five G's is not nothing. I mean, yeah, but So that means that your quadcopter which weighs 800 grams weighs Four kilograms. That's the trip. He's during the five during a trippy spin about 2.53 ish when you reverse this Let's see what happens here There's a 4g 4. Yeah. Yep. Okay. Yeah Yeah, I think a lot of my flight like I'm gonna be hitting less than one because I go and then I'm doing a lot of that whole three-fall thing There was a oh those six seven eight Eight eight G's on the crash night. Yeah when you're tumbling and crashing so we saw five. So that's just me flying normally Let's try what if we try we're gonna try to pull these G's now. Okay. Yeah, let's do it We definitely don't have the same prescription. No I was like wow your goggles are set up just like mine. No you wore them last Here's the truth. You know, this is true If you take a camera and you put someone's glasses in front of the camera and then focus the camera when you take the glasses away That's what the other person sees The rest of the time I don't know if that's true. That's what Let's just do a flat punch straight up from a hover full throttle. All right. Yeah, hold for a few seconds Okay. Oh now drop down and catch yourself and punch hard. Yeah All right, just get a big drop and then big drops and catch up because that's where bubby got a lot. Oh my god. Oh my god That's gonna pull a lot a funnel a funnel. Yes like a tight orbit tight orbit as tight as you can. Yep. I in the throttle as you can I'm not the best at doing this faster Okay, uh, what else bubby I knew no one else Rolls. Oh, okay Why would a roll? Oh, because like the No, I think the gopher not at the center of the drone. Oh my god. I think a flip in this case would be better for me So let me try that try flip. Let's try roll versus flip. Sure Cool. There's a gopher. It's not at the cg. So it's getting centrifugal force. Yep. It's getting tossed around Well, his his roll rate is only like 600 data flight goes up to 2000. All right So what if we crank up the pitch crank up the pitch roll? Well, we'll try both. We'll just crank them both Can you fly it at 2000? Sure. I used to hold you. Okay. So when I first heard it flying I I used to crank it up so fast that it would screw the flight controller up. Okay, and I Max the rates maybe all right. Here we go. Oh boy. Here we go. Take off real careful It's gonna be freaking freaking out. I'm backing up. Take off basically away from us. Yeah turning away from us immediately Okay, like will it not even fly No, it's it's not how I take it take it to the laptop. Let's check the rate I I I don't know why it's doing that. Apparently it's I don't I don't I have it I was it wasn't around for the time when rates could maybe trying to exceed 2000 Maybe because with the right amount of expo it'll feel totally flyable until you just like to stick and then it goes bonkers And that's all we want is the high deflection. We don't need to try to test my flying skill here today All right, what are your rates? What are your rates? 1998 25555. Yeah, that should be fly it should be able to fly like that. Yeah. No, that's right 1.5 There it's a 1998. That's fine. It's got tons of expo. Look at that curve one. You can fly that All right, here we go You're not even gonna notice the difference until you deflect the stick feels fine. Here we go. It's gonna feel fine Here we go. We're going to middle park a lot Watch out I want to fly like this all the time do it Oh my gosh All right, I want to fly like that all the time now that was so much fun I Like I'm gonna go out to the middle of park a lot in case this thing freaks out I don't want to be near anybody when I do this Wow Here we go Oh Be it 10 G's well that officially killed me. I saw eight if I was on board. I officially died It was only for a fraction of a second. Yeah, that's hilarious. So okay, so nine G's I'm sorry 10 G's 10 G's 10 G's You know, there's one maneuver that we didn't do yet which is that I think will generate Some G forces. What is it? It's the maneuver that every pilot does most. Oh We know what it is. What is that? You know what it is crash It's the tank, right? My game plan is to go up high in the air To turn upside down and full throttle into the ground the only the only possible way this could fail Is if it knocks the sd card loose and we don't get the data. Yes I mean either way it's not to drown in the grass. We're gonna have insurance, right? We have insurance on this guy. I always buy your gopers from best buy It's harder than you think to hit something upside down that full throttle. I mean, yeah, I do my best Yeah, so we're gonna get way up here. Oh boy So how am I gonna I almost feel like I could do it line of sight Better I don't know How high can I fly? It's windy too. Oh Best time of day to do this Wow, you are not anywhere near it The battery's over there He did. Yes. Good job. That was it. Oh, I think you hit the bell. Great. I think I would have heard a dong Where'd the drone go? It exploded. Come on tank You can do it tank Look at that. Didn't even break an arm. Didn't even scratch it. Good old tank there. It's the GoPro still rolling, please Oh Let's do it. Let's do it with beta flight. Yeah, I kind of thought this might happen the GoPro didn't It lost the file because the head was so hard. Of course it did. Yeah, of course it did I think I can do it better though And uh, we've set the flight controller up to record black box Which hopefully we'll still be able to get a g reading I'm gonna try to get a longer run up this time Here it goes Oh Let's go the battery stayed on that one. Let's go. Let's go. Let's go check it. Let's go check it. Let's go check it Is the battery still on? I think the battery stayed on this time. Okay. I just heard the GoPro beeping So the battery did come disconnected. Wait a second. Wait a second. Wait a second. The battery did come disconnected Oh, it did it disconnected. Yeah. All right. Dang it. All right. Hopefully it works I mean, let's go check the black box. Was the GoPro recording? No, no It was beeping right when I walked over. Okay, we gotta try to pull the black box and see if we can get a g reading off it Let's do it. Yeah, so I think the 10g roll might beat this I feel like this impact has to exceed 10g's if it was a complete I feel confident it would exceed 10g's my reasoning is I had I mean I had a crash not as hard as that obviously But it only hit eight and it was on concrete. So you crashed. Yeah, I remember the last flight Yeah, but it was a baby crash. It wasn't it wasn't a try hard crash, but it was it wasn't a baby crash Flight one of two. That's my test flight. Here's 20 seconds here. You can see the throttle Oh, look at all this. Yeah, cool. How's your life? There's the throttle and here's the full throttle We were at full throttle for 19.2 Two one almost a full second almost one and a half full seconds. Nice, but what we really want to know is the g forces. So let's Put the g forces on screen that graph We got the accelerometers on screen. So it changes Um, here they are And as we scroll through there's a little dip of something no Did it lose it? Damn it didn't Oh, we gotta do it again. It stopped I don't I don't know how we're gonna get this make the battery not disconnected. Yeah, we gotta make the battery better I put it under. I don't I don't know why we make the battery now tape Actually make the battery night. That's what we have to do electrical tape around the connectors Let's open these pins again, and then we'll electrical tape. We'll take the 11 out zip tie We'll take it together. Oh, we'll take the hero 11 out. Yeah, we don't need it. It's we're just It's I I really hoped it would get that last little pump But it just didn't it's still it's lagging just a little behind. Did you change props? All right, so we're gonna connect the battery The problem we're having is that we keep losing the last little bit Of measurements and we're not getting the g force of the impact because the battery keeps ejecting What are we gonna do here? First thing I'm gonna do is I'm gonna zip tie the connector together So it can't come loose. So the only way this connector is coming loose is if the wires rip out of the solder point And in order to prevent that from happening. I'm gonna duct tape the gaff tape the entire dang battery Gave it on there Hey, I got some now the battery cannot eject. It's if this isn't a testimony. It's the durability of the tank I don't know what else is man. I mean the frame is holding up. Yeah, you know student concrete That would I mean now that now that it's now that it's on there nothing's coming off The gopro is not at risk anymore because that's true. Yeah, let's do it on the Let's do it on the concrete. No, that's not you the concrete. Oh my gosh. Yes. You can't even kill the battery on on the freaking dirt Yeah, but now the battery is gonna stay All right, all right. Here we go for science for science. We punt things into the ground and both rocks is destroying my My fresh quad You've got this barbell. Of course. I got this you did it two times in a row. All right third time Here we go. Hey guys like this video. Okay, please like this video I'm destroying my frame for you guys. Come on. That's your frame. Your frame is fine. Yeah, hope for you All right, take off What's up? Oh, oh, it doesn't sound so happy. Oh camera dude. Oh Okay, here we go into the ground This concrete I mean, hopefully the battery held it held enough voltage that I was able to finish recording the butt Oh I tried to take it straight down this time battery. Uh, I tried to take it All right, do this quickly man. I wish I had a third person and that was hilarious. I tried to do it straight down Well, the battery didn't disconnect. Yeah Oh my god, okay I'm plug it. I'm plug it Oh, you can't oh That poor battery. Well, the good thing I didn't give you all my fresh batteries. I I I can't get off the drone I thought I was over the grass and I thought if I pitched over even further Then I would definitely go in harder. I didn't work But I couldn't see where I was exactly. I knew roughly The tank You can't break the tank You can't break the tank that you destroyed my beautiful antennas. No, actually we did we did break the tank. Oh, no Oh my god That battery wasn't like that before was it? Um, no, no not quite. It was pretty bad, but not like that We're gonna build you another one Sean I hope we got the gosh dang I hope we got the gosh dang footage Look in Do we break the flight controller? That was that No No, it's dead. Yes, these are our flight controllers dead Dang That's not even lighting on well Well, how many g's do you think that was? Feel like we gave it the college tri boys the world may never know If you guys try this experiment at home, let us know how many g's it actually is I have a challenge for them How many what's the maximum number of g's you can pull in like a spiral around a tree? Yeah, okay Because you pulled I think you pulled like three or maybe four g's I think it could be a four it was four. I think it could be higher. Yeah, for sure If you guys end up doing that post it on instagram tag us at rotariot Yeah, and if you want to try smashing a quad like this and show us the number of g's it pulled We uh, we're done though. Make sure you guys like this video We went really hard to try to get you guys some cool footage here. Thanks for watching. I'm let's fly our sea I'm jester barred. Well, above the fv. We'll see you next time on rotariot Black and subscribe catch y'all later. Peace