Which motor is right for you? Outrunner vs Inrunner - Motor school with Holmes Hobbies part 1

Join John Robert from Holmes Hobbies as we learn about the differences between an outrun and an inrunner motor. This is part 1 of a series.
Are inrunners and outrunner the same?
What makes these motors different?
Is an outrunner really better?
This videos is a 101 beginners course on the main differences in these to motor topologies. John breaks it down nice and easy so even a newb to sport can understand.
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[@pythonboi5816]

Im gona have to watch this twice cus the first time I was busy staring at the cool RC cars

[@fatfreddiescat9952]

Does this answer the age old question of “what motor to run with x or y weight” maybe not, but my burning question is. Did Holmes stumble into a barbershop, misses Holmes had enough of living with a lovable tramp or was there a “incident” with the strimmer while clearing the yard??

[@thejeepinrealtor5742]

Im gonna go with…..ah man this is so dang hard…….decisions decisions…….but….yeah, gonna have to go with both I think.

[@beleg1437]

Who knew scissors are actually time machines. - 10 years John.

[@pieterweerdhuizen4379]

Is it a stupid idea to have a video on a more detailed tech level? I'm very curious about the deeper level tech of both motors...

[@jerryvolpini7987]

John has done plenty of 'technical' videos for the more experienced guys and, I think it's safe to say, he will continue to do so. While I have been into RC for over 25 years, I'm relatively new to crawlers (2 years) and appreciate this approach 👍 Besides, he said he will be delving more into this in a subsequent video(s) and its good to kick things off like this.

[@pieterweerdhuizen4379]

@@jerryvolpini7987 hi Jerry, thanks for your comment. I think the video is out now. I will go and watch is this evening. Thanks again. Cheers Pieter

[@rkd350z]

patiently waiting on Crawlmaster 2 so I can quiet down my revolver. Weather is warming up and would like to crawl at night, neighbors dont really enjoy the revolver noise lol

[@HolmesHobbies]

Just dropped some

[@Mr1stlevel]

I think shaving your beard makes you lose a lot of torque he has to gear down his chin

[@RTmadnesstoo]

Thanks for the Video. What are the advantages of Torque or Power? I wish you would address the Number of Poles also.

[@sacrificialrubber779]

Cause I have at least 10 that are almost or are flying and probably another 10-15 in the rafters!🤣🤣(don’t tell my wife!!)😉🤣🤣🤣😂😂😂👍🏻

[@Dozern90]

Any difference in noice tough? My revolver V3 makes a really distinct noice compared to my other innrunner stuff.

[@RadRaf]

WAIT a darn tootin' minute, who the heck is THIS guy? 😁😆 - 🧔‍♀👶

[@sacrificialrubber779]

I would love to see you make aircraft motors…any plans???🤔🤔🤔

[@FredrikOlesen]

Witch inrunner Brushless motor Of yours Can i run 6S with??? I’ll Keep Eye On heat, But Witch motor..? 🙏🏽😃 Fan from Denmark.. (SCX10 PRO)

[@zedorda1337]

Heat sink options are also kind of limited on Outrunners.

[@RC_Ira]

Very nice video!💥💯👍

[@jolopop763]

Sorry if this is a noob question but what is the difference of power vs torque density?

[@mikebird8290]

THANKS VERY HELPFUL SIR🇬🇧🇺🇲🕊️✌🏼👍🏼

[@nizarsakr6584]

اي نوع اوفر في استهلاك الطاقه ؟ اقصد عندما نقوم بنفس العمل ، أيهما اوفر في استهلاك الطاقه ؟ شكرا ، تقديم جيد .

[@calebwagner9222]

So in general the HH revolver line will have more torque than the HH in runners? So does that also mean stronger drag break hold with the revolver line?

[@stevebuchanan5773]

Yes, the outrunner is like having more leverage

[@WillB.6759]

Fun video John. I just put the revolver classic 1950kv through it's paces on some hard lines today, it did an amazing job. I'll probably sell it an grab a puller pro it's the last I've yet to try lol. I'm keeping the standard revolver V3 it's a gem!!! Look forward to what y'all come up with next👊🤙🤙🤙

[@MangoJim90]

So, if outrunner is not sealed, is it still safe to operate it at least in rain conditions 🙂?) Thanks a lot 🙌💪🙏👍🌄

[@shaynejenkins446]

Also one is annoying as hell and the other isnt

[@mrpunz5227]

Maybe instead of power you use the term RPM for inrunner.

[@bcborn8398]

Is the revolver v3 waterproof?

[@HolmesHobbies]

revolvers are not waterproofed

[@JPGrc]

Thanks for the good stuff. Some time ago I was wondering about the outrunner, what it is and what it is used for. And tell me how about their waterproofness?

[@JustinDDavis]

Outrunners are waterproof. They just don't like dirt or mud...grit can get in there much easier cause its open not closed off like an inrunner.

[@daijoubu4529]

Between a 300W inrunner 2435 3300kv and a 260W outrunner 2822 2600kv, which will have more torque?

[@HolmesHobbies]

Not enough info. Those size numbers have no standards to compare with.

[@daijoubu4529]

@@HolmesHobbies 2435 would be the Surpass Hobby red KK series 4 poles, the D2822 is a DYS/Flash Hobby motor 14 poles, right now I'm using a tiny DYS D2225 2000kv 12 poles motor, it has enough torque but not enough top speed, it's 20% slower than the stock 280 motor, trying to find the best motor to fit in a 280/370 footprint for trail/light crawl uses, unless I ditch idea of using safer 2S 18650 and go with 3S lipo, just not comfortable with my kid handling pouch cells lol

[@voyars]

Why you didn't make a RPM test, it could be better video

[@HolmesHobbies]

We know the effect of motor KV, there is no need to test rpm. Is there certain information you are looking for?

[@indybama80]

Holy crap, at a glance, i thought it was john schnieder lol. Wheres john rob? N wat have u done with him?

[@twilliamrc4wd]

what motor would be great for a 12lb SCX10 running between 8000 mah 3s 8000 mah 4S lipo

[@jonlaird5082]

I always ran inrunner motors and my go to motor is your crawlmaster expert 20t as I always had great luck with it and it just works well for me. 1 day I'll try an outrunner,lol. Just curious,what is that black rig behind you? It's on the first shelf rite behind the blue truck. I love the look of it.

[@RCJesus420]

You were sorely missed at BTC this weekend buddy!

[@khaosnitro]

😑 i go for the Revolver! noise and everything i dont care

[@patrikmoller3643]

I'm sorry for being a bit dumb but how does the drage brake work with sensorless brushless motors like these? I would really love to use a HH motor for my Phoenix but I don't want a car that starts rolling down the hills, especially if it's still on it's wheels

[@HolmesHobbies]

The next video will explain the biggest factor on this, the flux gap area of the motor. Determines potential for drag brake and torque

[@patrikmoller3643]

@@HolmesHobbies cool, looking forward to it, thanks for all the great explanations, much needed for beginners as well as thick old timers like me 😁

[@BlackUnitAdventureSport]

I love my Snubnose V2...

[@simoncycling6685]

Definitely high torque motor to shave them whiskers ...

[@chrismagallanes8858]

What about for a electric skateboard i see mostly outrunners

[@stingerranger4942]

I want to use one them for twin motor rc boat 22 inch boat and fast

[@Drunken_Hamster]

Now for something that isn't in the RC hobby yet: Axial flux motor.

[@HolmesHobbies]

It's not a good topology for the motor sizes we use. We need long and small diameter motors, which is radial flux! If we could fit a 4 inch motor it would become more feasible.

[@Drunken_Hamster]

@@HolmesHobbies Weeellll... A lot of outrunners, at least the ones used in race drones, are pretty flat comparatively. But that is _literally_ just a single example, so yeah.

[@Drunken_Hamster]

@@HolmesHobbies Actually, now that I think about it, you could stack a bunch of axial flux stator+rotor sets to get a "long" motor. At least theoretically? Hmm...

[@nathanjensen8796]

2 questions: how many more amps do outrunners pull vs inrunners (I swear I keep puffing up packs on my Revolver I usually use on my inrunners) and are SENSORED outrunners practical in the rc crawler world? Thanks for more videos like this to clarify confusion! I think the crawler community would be somewhere else today if you hadn't decided to get into the motor and electronics industry your products are simply the best!

[@Esteb858]

Does that mean I can run my Puller Pro V2 3500kv on 4s? 😉

[@patrikmoller3643]

You can at least for a while

[@HolmesHobbies]

No problems , just watch the temp.

[@bdates1111]

You shaved 30 years off of your face

[@hellofromsoutheastalaskarc7517]

Hello from southeast alaska

[@TangoOne]

Still rocking my Crawlmaster pro 13t. I have debated moving to brushless but If I have to give up ANY of the brushed feel I won't be happy. Question: how much more efficient (in regards to runtime) is a puller pro stubby compared to the standard puller pro, given a similar kv?

[@mikellewis2346]

If u want the best in runner rite now that is about as close to a brushed motor as possible, then grab the 10shooter 2700kv motor with a mamba x....... it really feels like a brushed motor when set up is done rite. The regular pp have little more power output with haven larger magnetics I feel, but the super smooth and slow start up and crawl of the 10shooter is just worth the little loss of power. But will say it's not noticeable unless u run both the pp an 10shooter like I do in the same rig basically.

[@662SSIPPI]

I fly fpv I wonder if a 6s drone motor would run a 1/10 . There out runner I think? I have a couple spares

[@HolmesHobbies]

I would suggest a 35 or 36mm frame size, which will typically have a 4mm or 5mm shaft and require funky pinion. This is part of why I design my own crawler outrunners, so it accepts a normal pinion

[@662SSIPPI]

@@HolmesHobbies yea your right by the time I attach a pinion to the motor could have a hh out runner in the mail. You dont do 24th scale electronics do you?

[@forrestcrabbe]

🤘🍻🤘

[@jakequaempts5234]

Why is the outrunner so noisy. I’ve been thinking about getting one but That squeal

[@themountain59]

Thats an esc issue not a motor issue ;)

[@jerryvolpini7987]

Excellent video, I appreciate it. Looking forward to delving more deeply into these motors! 👍

[@soggycivic8594]

2 part question, 1: what did you do with your facial hair? 2: if you still have it, may I keep it?