High speed gearing run at the drag strip with another crash! AK-917

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Second attempt at a speed run but this time with the higher speed gearing. Weather was a bit windy, but let's see the improvement on 2s, 3s, and 4s batteries. (Crash looked identical to the last one.... )
The prices have been reduced by RLAARLO as the competition started. PLUS they have given us a further 10% off!!!!! Please use my link and code - *JOHNROBINSONRC AK-917* - to get the money off! *Order your car HERE* rlaarlo.com/?ref=qksXzyY9
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Опубликовано:

19 апр 2023

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Комментарии : 90

@scaleworksRC 7 месяцев назад

I'm finding out that having a spot that's freshly paved, flat, and low or no traffic is like finding treasure. What a thrill!

@JohnRobinsonRC 7 месяцев назад

Yes and no people is impossible in my country. But when you get that first speed run! Becomes quite addictive! 😁

@RoyFoust-ss2ul Год назад

Just wanna say apriciate what you do on the channel...I have carbon fiber and metal chassis coming your the only one putting in the work because of your crashes we as the viewers learn ....lo e the speed run awesome car can't wait for me and my daughter get ours

@JohnRobinsonRC Год назад

Thanks so much. Words like yours really do help to motivate. And hearing that your daughter is involved in not only RC, but that you bought her one is fantastic! Great to hear. I really hope you enjoy them. Plus I have a video coming up showing this car is much more than just a road car. 😊 Since day one I have always uploaded my mistakes and errors and bad days for that very reason you mentioned. I feel most times there is more to learn from bad days and experiences than in perfect, nothing ever goes wrong RU-vid videos. Rather i break it than 100's break it. Nothing more frustrating to me than the RC channels were they only post perfect days and experiences. We all know it never happens like that! 😂😂😂 Good luck with your cars and I wish you a fantastic day. Stay safe.

@justingjmicallef8446 Год назад

Use foam tyers

@JohnRobinsonRC Год назад

I have. I did. Video to come. Wasn't great though. 😬😬😬👌

@paulnorton7444 Год назад

Maybe tape underside of rc chassis to body shell may help turbulence and aero 👍

@JohnRobinsonRC Год назад

Yes that's an idea. I did reduce the front ride height and increase the rear but maybe a little more tape at the front may help. I'll try it out. Thanks so much for the advice. 😊👍🏼

@sharkusd Год назад

Man that was fast in spite off Crash

@JohnRobinsonRC Год назад

Yes if we can get to top speed, the sound will be intense. I will make sure to have the original sound as high as possible. 😁👍🏼

@WellingtonIronman Год назад

Hope you’re well John. Just a process of elimination I’m afraid. Uneven diff action? Stick some higher rated oil in there. Tire ballooning? Run foams. Aero imbalance? Tweak the body. Running an onboard camera will no doubt help!

@MrPlum1282 Год назад

shame that they havent lived up to all the hype.. so many channels having similar issues. Kinda glad I didn't order one.

@Stepside906 Год назад

try some foam tires. they are wider and have better traction. also check that the servo saver isnt too weak. maybe at high speed when you turn the wheels they dont turn because servo saver spring isnt strong enough maybe? turn steering rate down. rlarrlo has a few things you can buy in aluminum for this car maybe them front suspension pieces would be worth it. im not sure what else to check. just spitballing some ideas with ya.

@dadontmiss2697 Год назад

Yes i see another video and he did tighten the servo saver

@kelvinsullivan1126 Год назад

Ideas are awesome

@JohnRobinsonRC Год назад

Hiya. Yes I have tried foams. Video to come. Steering servo was checked and was fine but thanks as that's a good idea. I'm going to try another shell and see if the same thing happens at 120+ kph. If so then it's mechanical. If it doesn't happen then it's aerodynamic. 😊👍🏼

@dadontmiss2697 Год назад

@@JohnRobinsonRC good idea mate

@stephenksiazek812 Год назад

Thank you Malta Drag Racing Association. 🚗 The track looks so shiney, amazing.

@JohnRobinsonRC Год назад

He he. Wait to the summer and the heat. I've been invited to record during an event! 😁😊

@Axemanagement1 Год назад

@@JohnRobinsonRC nice. Sounds like fun

@JohnRobinsonRC Год назад

Yeah for sure. Hopefully the drag racing association will also allow us to race an rc vs real car.... 🤞🤞

@rickzfpv3118 Год назад

John have you tried running foam tires on it instead of the rubber tires. Also not sure if the car comes with one but on my speed run car which is a modified WL Toys 124017, I put an inexpensive gyro in it for the steering and the difference is night and day with how much better it will hold a line.

@JohnRobinsonRC Год назад

Hello mate. Yes the new video coming up i show the foam tires. Wasn't a success, however no crash and powersliding constantly at over 100 kph was fun! 😁😁 I have just bought a dumbo rc with gyro so I will fit that and see how we get on. If it is as I suspect an aerodynamic/downforce issue, then at least the gyro should keep it straight. I will mount an onboard camera this time though. 👌👌👌👌

@JohnRobinsonRC Год назад

Second attempt at a speed run but this time with the higher speed gearing. The weather was a bit windy, but let's see the improvement on 2s, 3s, and 4s batteries. (Crash looked identical to the last one.... ) The prices have been reduced by RLAARLO as the competition started. PLUS they have given us a further 10% off!!!!! Please use my link and code - *JOHNROBINSONRC AK-917* - to get the money off! *Order your car HERE* rlaarlo.com/?ref=qksXzyY9

@dadontmiss2697 Год назад

John as you have one does this mean anything to you email from rlaarlo... Hello David, Thanks for your email. We are very happy that you have been keeping your eyes on the AK-917🤗☺ For the 120A ESC on carbon fiber RTR, it can make the car have two modes. When the ESC connects with channel 2, it would be normal mode; When the ESC connects with channel 3 and turn on the button of channel 3, it would become turbo mode, which would increase the acceleration. But please note that the max driving speed will not have a difference. Hope this information helps. If you have any other questions please don't hesitate to let us know. Have a nice day:)

@JohnRobinsonRC Год назад

Ha ha! They haven't mentioned it to me. There again it doesn't effect top speed. Let me read the instructions. 😊👌 Ok, I read the instructions... I feel dirty. Nothing in the instructions about that function.... Seems strange not to mention that too us.. 😂😂

@dadontmiss2697 Год назад

Well I think it's an important part because I want full mental mode 🙃 😅..so is mode 2 lights on I don't understand and was hoping for your better knowledge to maybe explain in a video get that one out there first good title boom smash it bro 😆

@JohnRobinsonRC Год назад

I pressed channel 3 and 4. 4 does light. 3 nothing. I moves the esc to slot 3 and pressed channel 3 on the controller. It lights up. But no drive. So confused to be honest. I have contacted Rlaalro to ask for more info and will let you know! 😊👌

@dadontmiss2697 Год назад

@@JohnRobinsonRC thank you so much really happy I found your channel

@RandomloserDK Год назад

What version do you have? On 4S it sounds like a driveshaft is resonating. If that's what's happening, you could loose traction on the associated wheel. Try running the car on a bench, while you listen/feel any vibrations.

@kelvinsullivan1126 Год назад

Batman can have his batwings back they do nothin 😂.

@JohnRobinsonRC Год назад

Ha ha! 😂😂😭😭😭😭

@adrianpilbeam7403 Год назад

Could be the front lifting slightly buddy. The speed is about the same as the last crash mate...

@JohnRobinsonRC Год назад

Yes it's the only thing that make sense. Both crashes are identical and I had no issues on other runs.... Up until over 121.. 😊

@BangForYourBuckRc Год назад

Well you got a couple of solid runs John! I think what your saying about too much down force on the rear is correct,and in effect causing the front end to come up. Maybe a 3D printed splitter in the lower front will help or a mid fin for the middle in the rear. Maybe both. I think your right in that assessment though. All I know is that these cars rip!🏎️💨💯✨

@JohnRobinsonRC Год назад

Yeah that sound when it goes by is awesome. I'll have a look at splitters or fins. Cheers buddy. Have a great day!

@kamilthegreat2834 Год назад

Sounds likeits diffing out. Plus your trigger squeez is not linear. Its nice and slow but towards the end of the pull you squeez faster . You can hear it happening

@dadontmiss2697 Год назад

John looks slippery but would expect it to be double sticky because of all the rubber..such a pity mate I'm really enjoying your videos on this car,,get a gyro mate I've ordered one for mine still waiting for delivery and I'm not even in the first batch so god knows when I will get it now

@Axemanagement1 Год назад

I wonder if the other lane would be a better idea?

@LindenRc215 Год назад

😮 U should find a different surface to do a speed run on.

@JohnRobinsonRC Год назад

I would love too. But at 34 km long, this island doesn't offer any other choices. Well the airport but it would need to shut down. Besides, we have eliminated that as two other cars drove there without issues..... 🤔🤔

@LindenRc215 Год назад

@John Robinson RC RLAARLO ok, thank you for the info, but it's still a good speed run.👍🏾

@DozerBoyRc Год назад

Maybe add weight to front??

@JohnRobinsonRC Год назад

Hiya and I did think of that. But it will slow it down. Maybe I can add weight and slowly reduce it until the crash. 😂😂👍🏼 Thanks for the advice. Have a great day!

@exgtt2061 Год назад

Heavier diff oil needed? It’s spinning one at the front and one at the rear?

@bradcomer627 Год назад

If it's the grooves, possibly, try a different car with same tires or similar tires.

@JohnRobinsonRC Год назад

Tried two cars now. Both didn't have issues. But not with the same tires.... I'll give it a go. Thanks for the advice. 😊👍🏼

@Rcprescription Год назад

How did you get the gears off? I have been struggling all day and can’t get the spur gear off of mine.

@JohnRobinsonRC Год назад

Good morning. Ah yes. That gear. The one that they insisting on gluing with the strongest glue on the planet. I can only explain my solution and maybe an alternative. I don't know if it's all still on the car. I had to use heat but I had it all out of the car and the differential casing was part of it. I heating the spur gear a lot and finally I was able to use a large screwdriver and pry it off with force. I didn't want to try and undo the screw in case I chewed it up. If its in the car then you can do like on the video Rlaarlo released on Instagram. @rlaarlo showed getting it off. Of course they had the whole unit out of the car and no threadlock. But the prying should work. I hope you manage it as I remember how frustrating it was. Good luck. 🍀🤞🤞👌

@AndreSilva-jq9kq Год назад

very good your videos are very informative, clarifying all the performance of the product to be tested, I am following all the videos, in relation to this car, I think in the future of making an acquisition

@customtoyrevolution Год назад

Looks like they copy the Porsche 917 aerodynamic issue as well. LOL. I've been waiting for this video, big thanks. Your assessment is on point. A 1/10 scale RC, unlike the Felcony, is more sensitive to track surface, air resistance, and tire ballooning. We can see it lost traction and likely hit an uneven surface at that speed. Tips: If you let go of the throttle completely, you can't make correction because of the lost of traction. Try to taping on the throttle, you can practice when you are turning, you can see you can control the car much better at corning.

@JohnRobinsonRC Год назад

Ha ha! Yeah I read about the Porsche issues. 😂😂 I was pretty sure I was holding throttle up until the wall impact as on previous runs whenever it kicked out, it always straightened up. But at this speed it was for sure what I suspected. I have spare parts now so will continue to problem solve. I do have footage of me running later on the same day with foams but as we didn't go faster I was not going to release it. But I think there is more to learn from it. Especially as after 90+ kph i was wheel spinning. All the way too 100% throttle, yet the car wasn't accelerating. However it was swinging left to right and always straightening itself up. Really strange actually. In fact it kind of looking like there was a little more power transfer at the front. 55 / 45 rear. Because it always straightened itself up. And the rear didn't have enough overpowering grip to push the front around. Which therefore makes sense that at higher speeds we were loosing front traction with the original tires. I'll edit the video and you can all see what I mean. 😊😊😊

@carltonthomas3579 Год назад

Nice video fam love watching your rc test runs. Hope they send you more parts this time so u can be prepared.❤

@JohnRobinsonRC Год назад

Hiya and thanks so much. I have repaired one of the wheel hubs and I suspect it will be stronger. 😂😂😂 Famous last words. 😊

@kins888 Год назад

Hi John, When you push down on the car, can the chassis hit the floor? I'm wondering if you are hitting a speed where you could be loosing ground effect.

@JohnRobinsonRC Год назад

I honestly do not know. Let me check. Yes it can touch the ground. I'll try and stop that. Thanks so much for the tip. 😊👍🏼

@kins888 Год назад

No problem. I hope you can fix the issue and record a new PB soon!

@JohnRobinsonRC Год назад

Well it's ideas like yours which will help. Right now I can't test it as its got the Subaru impreza body shell on and I don't think that will help with aerodynamics. 😂😂😂

@aronpostma5614 Год назад

try foam tirers

@seanjis007 Год назад

What is the pitch on the ak917? Anyone know?

@JohnRobinsonRC Год назад

48p my friend. 😊👌

@RCFPVSTL Год назад

Great job, that could have been worse.

@kelvinsullivan1126 2 месяца назад

omg this was a year ago

@salesale204 Год назад

Why you don’t take the Track on the right side of you?

@woodywoodbridge7405 Год назад

Yes I was thinking the same, if you keep crashing to the right, start over in the Left Lane, bit more room to correct yourself that way ( not much but... ) !! )

@JohnRobinsonRC Год назад

Ok other runs i did. And it was drifting to the left because it has a tiny more camber. Hence why I used the right lane. 😊👍🏼

@henryfoster3212 Год назад

Some people should be ashamed of yourself they always picking at people for no reason like your videos like your content can always like watching your your Channel💯👏🤝

@JohnRobinsonRC Год назад

Thank you my friend. Wishing you a great day! 😊👍🏼

@creativ3vision Год назад

Wind, track or the driver 🤪 🤷🏻‍♂️ lol That car should be well over 80mph especially the carbon fiber RTR (on 4S at that!) Bars&tone RC got the brushless alloy chassis (weaker electronics) got his over 80mph 83mph to be exact,) on the street, with just a gear and pinion change; and foam tires from EBay. Running on 3S. No issues. Yet all carbon fiber guys, can’t even get theirs to 80mph. And one that did, it was running on 4S; barely getting it over 80mph. That track (all bumpy) definitely slows you down, and disturbs the steering. Wind plays a factor too, no doubt, but what it all comes down to is proper gearing; seems like. Bars&tone RC had issues matching the set up that he ended up using. Pinion and spur gear that he chose (included) did NOT match, without mods. I emailed the company and their “suggestion chart” didn’t even have his combo, hence is why it didn’t match. I’m curious now how the carbon fiber version will run, using his set up; on 3S. If it can’t reach over 83mph, there’s a problem. He seem to have the fastest run , so far. And that’s on the alloy chassis, and weaker motor/ESC, with 3S batt. Carbon fiber guys are slackin’ !!! 😝 haha.

@gillian9178 Год назад

I would lower the front of the car down, then stiffen the rear shocks with the shock adjuster wound down. The down force on the rear of the body is causing the rear suspension to squat, that in turn is lifting the front of the car & making steering to light.

@JohnRobinsonRC Год назад

Hiya. Yep will do. I had lowered the front and raised the rear and am a little concerned by stiffening the rear due to the tram lines. Saying that I could firm them up a little. 😁👍🏼 Thanks for the info!

@edgargarcia9530 Год назад

🇺🇸Great job👍it’s fast in a short amount of distance so maybe aerodynamic and tire tracking could be or loading force anyways ….. GREAT SCOTT it can move fast THIS BEAST HAS SO MUCH POTENTIAL TO HIT 200mph🏎🔥🔥🔥🔥💨

@JohnRobinsonRC Год назад

Yeah it's fast. And the sound is infectious. I just want one more run. You will see on the next video as I put on foams which didn't help top speed. However allowed 100% throttle and therefore the sound. 😊👍🏼

@terrynavin55 Год назад

Might be a good idea to upgrade that part to metal if it's a weak spot

@JohnRobinsonRC Год назад

Yeah for sure. 👍🏼

@MangoJim90 Год назад

Better buy a few more spare plastic ones and have fun with this setup 😉 dont try to make unbreakable car with metal - we all saw, how it ends up.

@dadontmiss2697 Год назад

@MangoJim agreed nice cheap part to change. better than breaking more expensive parts

@skumbria6666 Год назад

I think that track is not good for that toy... Any way great video Master, take care.

@diycaravanning6507 Год назад

To me it sounded like it powered down too fast and too muck brake came into play. Turn down th breaking and remove any drag brake if you have any dialed in. let the car coast to a stop a lot slower.

@JohnRobinsonRC Год назад

I was at full throttle buddy. No where near the brake at that point..

@diycaravanning6507 Год назад

@@JohnRobinsonRCIt just sounded like you throtled down at the poinrt it broke loose. If it has any drag brake it could cause it to loose the back end at that speed. Thats what came across on the audio so just a thought. Keep trucking dude.