Conversion - RC CAT 297D2 Diecast Masters compact track loader.

Автокөліктер мен көлік құралдары

Video presenting the conversion of CAT 297D from Diecast Masters.
WARNING. It is not a DIY, it is an example of conversion, I am not a professional. I just want to share the making of.
Sorry about bad light and video parts missing, I had some problems with my camera...
Presentation : • RC Diecast Masters CAT...
Model : www.ebay.ch/itm/154329414078?...
Motor 90rpm : fr.aliexpress.com/item/328885...
Cylinders 15 and 40mm : Is no longer available
Valve : magomhrc.com/fr/vanne-3mm-tuy...
Nipple 2mm: magomhrc.com/fr/pour-tuyau-de...
Tube 2mm : magomhrc.com/fr/pour-tuyau-de...
Pump motor : fr.aliexpress.com/item/324197...
Pump ZP25M14F : www.hptech.at/english/product...

Пікірлер: 172

  • @AgentRafa
    @AgentRafa2 жыл бұрын

    Sir, with all due respect I need to correct what you wrote in the description: "I'm not a professional", because you clearly are a professional. Great job as always, thank you for sharing.

  • @Kniftel
    @Kniftel2 жыл бұрын

    Wow, I'm very impressed by how you managed to fit everything in there. Great work!

  • @CosmasBauer
    @CosmasBauer2 жыл бұрын

    Wow that is beautiful. Absolutely outstanding work!

  • @Little_grey_off
    @Little_grey_off2 жыл бұрын

    T’es un grand fou c’est impressionnant comme tu as les idées pour manager la chose

  • @g-manracer1997
    @g-manracer19972 жыл бұрын

    Incredible as always. I've always been very creative at engineering, fabbing, and machining my own custom things for my REAL cars, but you always blow my mind, working with such small intricate machines! I love RC, but you bring it to a whole new level. Much respect, and admiration for your skills👍

  • @RcTrucksandMachines
    @RcTrucksandMachines2 жыл бұрын

    Tremendo eres un genio! Y gracias por hacer el hobby más fácil para los aficionados!gracias!vas a poner de moda la cat 297D!!👍🏽

  • @montwolfman
    @montwolfman2 жыл бұрын

    Necessity is the mother of invention...lol. Thanks a bunch for sharing and thanks even more for including the source list. That opens up a whole new world for me. I appreciate you.

  • @tomjohns8498
    @tomjohns84982 жыл бұрын

    I love the engineering you have managed to work into such a wee space, thank you for sharing 😊

  • @jock_thedefender

    @jock_thedefender

    Жыл бұрын

    Fellow Scotsman?

  • @thatsmyrc
    @thatsmyrc2 жыл бұрын

    fantastic job the hyper speed editing is perfect as well as the finished model! Thanks for showing the side by side comparison..

  • @colossalbigfoot256
    @colossalbigfoot2562 жыл бұрын

    Awesome work!! Thanks I’ve been looking for these micro pumps forever.

  • @macg9940
    @macg99402 жыл бұрын

    What an outstanding project! I like it. Your skills are like those of a professional.🏆

  • @MrTheballer19
    @MrTheballer192 жыл бұрын

    Crazy impressive, as always. Great work!

  • @lolomodelismeferroviaire
    @lolomodelismeferroviaire2 жыл бұрын

    you are the best of the world !!!! tu me régales toujours autant, bravo pour tes superbes réalisations. C'est toujours un régal de visionner tes constructions.

  • @mattwright1054
    @mattwright10542 жыл бұрын

    You are an absolute genius! Such amazing videos.

  • @jonnirc6843
    @jonnirc68432 жыл бұрын

    Thanks for showing us this wonderful work. Great Barste.cheers.

  • @ericlakota1847
    @ericlakota1847 Жыл бұрын

    Wow that was awsome i dont play rc but its really impresive

  • @saurios
    @saurios Жыл бұрын

    Impresionante la conversión. 👍🏼👍🏼

  • @JustinCoutarel
    @JustinCoutarel2 жыл бұрын

    Awesome ! Le coup de revient doit vraiment être intéressant. Bon après, il y a du boulot...

  • @eltonsantos4603
    @eltonsantos4603Ай бұрын

    Excelent work

  • @Pezzapoo
    @Pezzapoo2 жыл бұрын

    A thing of beauty!

  • @Pantano0
    @Pantano02 жыл бұрын

    Eres mi ídolo. 😁👏👏👏👏👌

  • @chrisblanks1906
    @chrisblanks19062 жыл бұрын

    Truly amazing outstanding talent 👏😀👍👍

  • @unclesheavy769
    @unclesheavy7692 жыл бұрын

    Awesome work. respect!

  • @bradleylomas7525
    @bradleylomas75257 ай бұрын

    I wanna do this to the old 70's era John Deere

  • @sandboxgold7698
    @sandboxgold76982 жыл бұрын

    Great work 👍👍👍

  • @JB-vc2wl
    @JB-vc2wl2 жыл бұрын

    Awesome video, if you won't build them to sell...maybe consider teaching someone and marketing them to the public? This could be a great money maker and way to take your skills to the next level with funding for all kinds of cool things. Good job, keep up the good work.

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Don't need to teach someone. Every modeler or mecaniker can be do this easy.

  • @RCTRUCKCITY
    @RCTRUCKCITY2 жыл бұрын

    Cool gemacht :)

  • @johanbekker8103
    @johanbekker8103 Жыл бұрын

    Awesome work sir i like your videos

  • @andyman_11gaming39
    @andyman_11gaming392 жыл бұрын

    Dude this was awesome i love your vids 👍

  • @shayhuffman3723
    @shayhuffman3723 Жыл бұрын

    I would love if you could make a how to video on your auto grading bucket sensor system! Please and thank you! I love all the things ur doing….I just need more haha

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    it's still in developpent, I will share when it work on sun outside. for now it works only indoor

  • @lucadebernardo7540
    @lucadebernardo75402 жыл бұрын

    Very very very best job 👏👏👏👏

  • @user-ju1sc7xc6d
    @user-ju1sc7xc6d2 жыл бұрын

    Nice to meet you 🇹🇼

  • @davidtorquemada6163
    @davidtorquemada61632 жыл бұрын

    muy buen video eres una maquina

  • @carloshnunez
    @carloshnunez2 жыл бұрын

    Very nice video and great job 🔵🔵🔵👍👍👍😀😀😀🔵🔵🔵

  • @maske1850
    @maske18502 жыл бұрын

    Sehr geil💪🏻👍🏻

  • @huraachannel9295
    @huraachannel92952 жыл бұрын

    Wow amezing😍

  • @agoodfellarad
    @agoodfellarad Жыл бұрын

    Thanks for sharing 👍

  • @KrasSerRCClub
    @KrasSerRCClub2 жыл бұрын

    Super!!!👏👏👏👏

  • @miniaturasmikeias3577
    @miniaturasmikeias35772 жыл бұрын

    Top mano

  • @hotshotlandscapingonfs2235
    @hotshotlandscapingonfs22358 ай бұрын

    great video one question tho, are you reusing all the pins or are you using different pins? if so can you put a link to them on this comment thx 😎

  • @clauswerle
    @clauswerle2 жыл бұрын

    great

  • @adikx5
    @adikx52 жыл бұрын

    Another great project! Bravo! What servos did you use for this valves? This pressure limiter is your job? Or you buy it? What sound module/card you use?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Thanks ! Das mikro sound module. Limiter is homemade. Servos are 9g standard servo

  • @adikx5

    @adikx5

    2 жыл бұрын

    @@BartsteRCModels Thank you for answer.

  • @JPSuperMario
    @JPSuperMario2 жыл бұрын

    😳...... 👏👏👏

  • @dylandixon6818
    @dylandixon68182 жыл бұрын

    Awesome video as always ! I am curious about one thing ! Why was the seal modification necessary?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Thoses cylinder are made for pneumatic use, front seal isn't tight enought. With pressure oil it will leak. Piston seal is fine, but rod seal need to be tightned.

  • @ecmruedi
    @ecmruedi2 жыл бұрын

    The pump, valves and cylinders are very well resolved ?

  • @Aussiem8e
    @Aussiem8e11 ай бұрын

    Think I've watched this 100 times! Lol. What size hydraulic pump is that mate?

  • @jaredwv1
    @jaredwv111 күн бұрын

    Question! Do they not offer the size cylinder for this or did you just modify something you had to make them work?

  • @BartsteRCModels

    @BartsteRCModels

    10 күн бұрын

    I use pneumatic cylinder for aircraft landing gear. But they are no more produced

  • @brick_engineering
    @brick_engineering2 жыл бұрын

    Can you do a tutorial on how build your machines. Like how you solder the peices together

  • @MeGuess_Adventures
    @MeGuess_Adventures2 жыл бұрын

    Man this is awesome. Would you be willing to build me one for a project I have coming up??

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    I didn't build on request

  • @brodieworden8908
    @brodieworden89082 жыл бұрын

    Wow we’re can I get one? I am amazed

  • @_P0tat07_
    @_P0tat07_2 жыл бұрын

    That’s impressive! How did you do the laser level attachment?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    It's still in developpement, I will made a full video

  • @bonaha8464
    @bonaha84642 жыл бұрын

    con che materiale hai realizzato la benna liscia e come l hai saldata? grazie sei fantastico 😍

  • @simonp3352
    @simonp33522 жыл бұрын

    Very cool Projekt what kind of batteries do you use

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    2S 1000mAh lipo, it give me aprox 1h battery life. Same setup as my Yanmar B37

  • @bonaha8464
    @bonaha84642 жыл бұрын

    what material did you make the smooth bucket with and how did you weld it? thanks you are fantastic 😍

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Steel and brazed with tin

  • @843_Tyler
    @843_Tyler Жыл бұрын

    what's the 1/16 scale compared to the cen racing f-450 because i want to buy the cen racing f-250 or f-450 but i want a skid steer to put on a trailer so the truck can pull it to make it realistic size

  • @user-kd4hh9bs3o
    @user-kd4hh9bs3o2 жыл бұрын

    What lifting system do you use?

  • @hugome8773
    @hugome87732 жыл бұрын

    Awesome model. Do you think, this could be built with Mini Hydraulik brushless pump from Magom too? Which speed controllers are you using for small models like this?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Magom pump is too big. Any 10A brushless esc (type aircraft) will work

  • @hugome8773

    @hugome8773

    2 жыл бұрын

    @@BartsteRCModels It would be very interesting. why you did change motor of pump and how many pressure you are using in this hydraulic system.

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    @@hugome8773 Brushless motor have more low rpm torque and less power drain. I have 10bars maxi

  • @iceninjaxagent2159
    @iceninjaxagent21592 жыл бұрын

    were did you get the rear cap

  • @jenda-ep1zk
    @jenda-ep1zk2 жыл бұрын

    How much time do you need to build one model? Its awsome work bro👍

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    something like 2weeks for this one

  • @jenda-ep1zk

    @jenda-ep1zk

    2 жыл бұрын

    Wow

  • @ncfpv1957
    @ncfpv19572 жыл бұрын

    Hello, I’ve started to collect together parts to build this amazing creation. But I ordered 15mm cylinders and there way too big, please 🙏 can you tell me if you have modified them in any way. Thank you for the amazing build videos, this is the one I think my skills will be tested greatly. Love the channel 👍🏻

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Hello. I changed fixing point of the bucket cylinders. You can change in the boom too for higher lifting height.

  • @ncfpv1957

    @ncfpv1957

    2 жыл бұрын

    @@BartsteRCModels thank you 🙏 can’t wait for the next creation, I’ll have a look at the boom to thank you

  • @ncfpv1957

    @ncfpv1957

    2 жыл бұрын

    @@BartsteRCModels my 15mm cylinders have an overall length of 79mm I think they sent me the wrong ones 😢

  • @CLAUDIOSRC9529
    @CLAUDIOSRC95299 ай бұрын

  • @jeanmichelguillet8565
    @jeanmichelguillet85652 жыл бұрын

    Bonjour Barste , Magnifique comme d'habitude 👌 . Petite question pour quel raison rajoute tu une petite bague dans la tête de verin ?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Pour serrer plus le joins de tête car de base il "flotte" et n'est pas étanche pour l'huile

  • @jeanmichelguillet8565

    @jeanmichelguillet8565

    2 жыл бұрын

    @@BartsteRCModels merci pour t'as réponse, et celui du piston n'a pas se problème d'origine ?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    @@jeanmichelguillet8565 Ca semble pas poser de problème, j'en ai sur ma Yanmar, sur l'aspiratrice ernefant et sur ce CAT 297. J'ai pas un énorme retour dessus. A voir a l'usage, faudra te faire ta propre experience...

  • @jeanmichelguillet8565

    @jeanmichelguillet8565

    2 жыл бұрын

    @@BartsteRCModels d'accord. Merci beaucoup pour ces précisions. Oui de toute manière il faut essayer pour savoir 😉 . Bonne continuation et hâte de voir le prochain model 👌

  • @geriwicki9670
    @geriwicki96702 жыл бұрын

    Guten Abend Kannst du mir sagen für was die Modifikation notwendig ist wenn man von Luft auf Öl geht? Vertragen die Dichtungen das Hydrauliköl nicht? Grosses Kompliment für deine Arbeit und liebe Grüsse.

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Les joins ne sont pas assez serré d'origine et avec la pression d'huile il y a une fuite. Il faut soit remplacer le joins, soit le serrer plus fort avec l'utilisation d'une bague.

  • @morganpeters7285
    @morganpeters72852 жыл бұрын

    @Bartste do you know where I could get a pump like that in US all I can find is plastic ones

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Sorry I don't know... Maybe ask Hp tech if they send to US ?

  • @morganpeters7285

    @morganpeters7285

    2 жыл бұрын

    @@BartsteRCModels ok thanks

  • @morganpeters7285

    @morganpeters7285

    2 жыл бұрын

    Excellent build tho I’ve always wanted to convert a diecast

  • @Isurvivedbiblecamp
    @Isurvivedbiblecamp2 жыл бұрын

    Is that all the parts in the description

  • @bens3641
    @bens36412 жыл бұрын

    For this model, what lithium battery voltage did you use? Was it a 3-cell battery? If you would share I would appreciate it! Thanks,\.

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    2cell 1000mAh

  • @Isurvivedbiblecamp
    @Isurvivedbiblecamp2 жыл бұрын

    @bartste RC models what kid of controller and receiver did you use and how much did it cost to build

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    I use Feetech FT90R esc for tracks and small 10A brushless for pump

  • @ecrcmodels
    @ecrcmodels2 жыл бұрын

    Hello @Bartste, GREAT WORK. I'm working on my dump truck, just wondering if the soldering wire would work for the dump box using the same process as you did with the bucket? Thanks for sharing! Love the conversions

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Yes it work, mybe you nedd to use flux for help the bazing process

  • @ecrcmodels

    @ecrcmodels

    2 жыл бұрын

    @@BartsteRCModels Thank you so much! Looking forward to see another project :)

  • @jameswilkinson8748
    @jameswilkinson8748 Жыл бұрын

    Wow that's really good how much would all that cost in total to make ?

  • @jameswilkinson8748

    @jameswilkinson8748

    Жыл бұрын

    Just the skid steer with bucket but no radio gear or battery?

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    There is for less than 1000usd of parts. and 2weeks of work

  • @andyman_11gaming39
    @andyman_11gaming392 жыл бұрын

    What do u use to move your camera so well

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    The camera didn't move

  • @brodieworsencroft3296
    @brodieworsencroft32962 жыл бұрын

    Any way you you could post a detailed list of the exact parts you used it would really be appreciated

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    read the description

  • @beaumershon3066
    @beaumershon30662 жыл бұрын

    Dose it work? Would have been nice to see it function at the end...

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Presentation : kzread.info/dash/bejne/fpmsxMuOccu7lbw.html

  • @nathanielmcclanahan981
    @nathanielmcclanahan981 Жыл бұрын

    How much bigger is the cat vs the case? I'm building a case tv450b right now and was wondering about size

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    they have aprox the same size

  • @dirtpicasso
    @dirtpicasso2 жыл бұрын

    Awesome just awesome, would you be willing to make one to sell? I would be interested in having one

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Sorry I didn't build on request

  • @richardrosario1096
    @richardrosario1096 Жыл бұрын

    How much would one of these cost?

  • @tatraman2329
    @tatraman23292 жыл бұрын

    Hello, do you know where I could get that CASEI ERTL? If you do, could please give me a link?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Find it on ebay, those models are out of production

  • @tatraman2329

    @tatraman2329

    2 жыл бұрын

    @@BartsteRCModels tanks, bye 😭😢

  • @morgan5698
    @morgan56982 жыл бұрын

    Amazing man. Open to building one and selling?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    No sorry

  • @jock_thedefender
    @jock_thedefender Жыл бұрын

    How do you buy the pump? no shop option on the link provided?

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    You can write a mail to HP-tech directly or sometimes thoses pump can be fund in different RC aircraft shop.

  • @Lee-At-Green-Pheonix-Rc
    @Lee-At-Green-Pheonix-Rc2 жыл бұрын

    Is that a ertl can u convert one without a lathe

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    They are sold under ERTL or Diecast Masters brand. Without a lathe it will be complicated....

  • @Lee-At-Green-Pheonix-Rc

    @Lee-At-Green-Pheonix-Rc

    2 жыл бұрын

    @@BartsteRCModels u could make them and sell them r u on Facebook love to talk more and want to build and buy a hammer of u 🥺

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    My facebook page : facebook.com/Bartste-RC-Models-161436761140390

  • @jameschaffe694
    @jameschaffe694 Жыл бұрын

    Superb! Where do I find the hydraulic parts?

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    I put all link in video description

  • @jameschaffe694

    @jameschaffe694

    Жыл бұрын

    @@BartsteRCModels Der Gertriebedoktor? Lots of money 😝

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    @@jameschaffe694 No, Magom and HP-tech

  • @FS_Timelaps5876
    @FS_Timelaps58762 жыл бұрын

    Do you live in Texas

  • @francymotoable
    @francymotoable2 жыл бұрын

    Che esc hai usato ? Bravissimo 😍

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Feetech 360° 9g digital servo

  • @comeloch9162
    @comeloch91622 жыл бұрын

    ว้าวมีปั้มและระบบไฮดรอลิคจิ๋วขนาดนี้ด้วย😃

  • @justinphillips5593
    @justinphillips55938 ай бұрын

    Can someone give me a link to the hydraulic cylinders and pump motor as the one in the description does not work

  • @BartsteRCModels

    @BartsteRCModels

    8 ай бұрын

    the cylinders are no longer manufactured

  • @lukemoore4288
    @lukemoore428810 ай бұрын

    What drive motors did you use? What RPM?

  • @BartsteRCModels

    @BartsteRCModels

    10 ай бұрын

    All parts are listed in video description

  • @zachbriese9810
    @zachbriese98102 жыл бұрын

    Can you get this done anywhere I looking at getting one

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    I find it on ebay

  • @user-vo3qw6jt9m
    @user-vo3qw6jt9m2 жыл бұрын

    No video description of the sound module?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Das Mikro from aliexpress

  • @jaxsonfelderman9004
    @jaxsonfelderman9004 Жыл бұрын

    Ware did you get the skid steer

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    Static mondel on ebay

  • @jasongomez6783
    @jasongomez6783 Жыл бұрын

    Where would you purchase the cylinders now?

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    I don't know... Homemade is the only way to do

  • @ethanplays226
    @ethanplays2262 жыл бұрын

    ware did u get this skid steer?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    The static model is on ebay. You need to convert it on RC

  • @saehrfarmsandagrepair
    @saehrfarmsandagrepair Жыл бұрын

    So you build these for others by chance?

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    No sorry

  • @moritzlauffer
    @moritzlauffer Жыл бұрын

    How much does it cost everything together

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    aprox 1000usd

  • @akoshorvath-risko5838
    @akoshorvath-risko58382 жыл бұрын

    Are you building a new truck as well?! ;)

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    It's my old mixer truck modified to a crane truck.

  • @akoshorvath-risko5838

    @akoshorvath-risko5838

    2 жыл бұрын

    @@BartsteRCModels Still, that's awesome!

  • @nowar5089
    @nowar5089 Жыл бұрын

    Wie Lötest du das Metall?

  • @BartsteRCModels

    @BartsteRCModels

    Жыл бұрын

    Je brase l'acier avec de l'étain 60/40

  • @klay9864
    @klay98642 жыл бұрын

    Would you sell one of these completed?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    no sorry

  • @2010kmy
    @2010kmy2 жыл бұрын

    Do you sell these?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    No sorry

  • @seanwilkinson8001
    @seanwilkinson80012 жыл бұрын

    Will u sell one? Plz

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    No sorr

  • @kirkhammetthellyeah
    @kirkhammetthellyeah2 жыл бұрын

    Total cost of build?

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    Aprox 500 CHF

  • @kirkhammetthellyeah

    @kirkhammetthellyeah

    2 жыл бұрын

    @@BartsteRCModels Thank you! Thinking of copying your build. You do amazing work!

  • @franciscosoaresfrancisco6873
    @franciscosoaresfrancisco68732 жыл бұрын

    Como comprar um

  • @georgehabib4973
    @georgehabib49732 жыл бұрын

    Do you. Sell these

  • @BartsteRCModels

    @BartsteRCModels

    2 жыл бұрын

    no sorry

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