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Home✈️Aircraft🚁Helicoptere-MikadoOther › 45-10 on 8s
02-04-2008 05:03 PM  11 years ago
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KC

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45-10 on 8s
I have heard people say 'no don't', but is anyone out there rocking this combo?
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02-04-2008 05:35 PM  11 years ago
zero_IQ

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greece

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You are exceeding max RPM limit. It is going to cook.Feel for the electrons, free as many as you can.
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02-04-2008 06:49 PM  11 years ago
TOSH

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You are exceeding max RPM limit.
Not if he has the ESC turned down to say 70%.
Flybars. Who needs `em.
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02-04-2008 07:05 PM  11 years ago
mudbogger2

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Hoschton,Ga.

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The rpm limit is 30,000 on those motors. 8s will be just slightly over that limit if you figure 3.8 volts per cell. Running at 75% should keep the motor within the 30k limit.

I think the 45-08 or 45-09 would be a much beter choice for 8s though.
Jon Jennings
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02-04-2008 07:41 PM  11 years ago
KC

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I have been using 45-08 on 8s for two years now, performance is fine but I'm bored with it...no one has dared to couple a 45-10 with a jazz to 8s? Hehe
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02-04-2008 07:54 PM  11 years ago
TOSH

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no one has dared to couple a 45-10 with a jazz to 8s? Hehe
Sorry but Ressy had that setup over a year ago.
Flybars. Who needs `em.
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02-04-2008 08:33 PM  11 years ago
KC

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finally....thought I one would admit it
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02-04-2008 08:42 PM  11 years ago
TOSH

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KC

And you`re dead right. He let me fly it and that setup really rocks on 550s.
Flybars. Who needs `em.
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02-04-2008 10:36 PM  11 years ago
KC

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I was thinking of trying 580s on 11t, watcha think?
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02-04-2008 11:04 PM  11 years ago
mudbogger2

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Jon Jennings
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02-05-2008 12:10 AM  11 years ago
Ticidytoc

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Los Angeles, Ca.

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Or a Neu 1910 if your worried about exceeding those limits. The Neu can take it, as long as the bearings hold up and will make great power there.I told you it was the future........
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02-05-2008 01:06 AM  11 years ago
KC

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is the 1y version the squirrels balls? a bud also suggested the 24-3....
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02-05-2008 07:05 AM  11 years ago
misskimo

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Alaska 17 years, before mississippi for 31y

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hey , I think the motor can handle it as long as you useing something like the CC 85 since they use the best fets money can buy and can switch real high
but also take this into account , if you load it up when spinning high ( video of what over torque will do , look in my gallery , trex 690 12s video) kontronics 45-06, spinning around 29000 RPMs , load it up like this will result in a complete motor failure, mags busted loose and went into the windings
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02-06-2008 01:33 AM  11 years ago
KC

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dang, 12s! thanks guys for the suggestions, will post back on what I end up settling on in the near future or if I blow some s--t up in the meantime!
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02-06-2008 11:26 AM  11 years ago
Reesy

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In the doghouse ... Nottingham UK

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Hello guys
Tricky one this, after a lot of chat with Mike (@kontronik) I originally got him to wind me a 45-09 to match the then top TP2100 (20C I think) 8S pack I had.
This ran pretty good until I screwed the motor in one of my daring but incompetent manouvers

As 45-09's were thin on the ground he reluctantly agreed, said the volt's were too high, to let me have a 45-10 we'd discussed all the numbers etc and this was running on a 55 10 32

Basically the damn thing scared me sh$tless, one pinion less might have been sweet but I ended up running 550 blades and the esc around 60-65% to stop the damn thing exploding.

I've never felt comfortable with this combo, always a slight feeling of the tail wagging the dog. The longer blades and heavy electronics bring back the old day's of "heavy in the air" feeling.

I've been kinda waiting for the inevitable "upgrade opportunity" to try 6S with smaller blades as I think it would fly much better if I could shave some weight off, the only way I can describe it is it feels kinda top heavy.

Not really tried any of the newer 6S configs but having watched Tosh's bum chum flying his new logo on 6S I really don't see me bothering with 8S in the future.

But then I am a pretty crap flier so my opinion ain't worth much
Paul
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02-06-2008 03:39 PM  11 years ago
misskimo

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the trick here is , if they are useing 6s 5000s , then you use 8s 3300s , and also try to gear for the same head speed as everyone is running on 6s , 2 years ago , Gary tried 10s on the logo 10 useing TP 2100s. lower KV motor , and same RPMs as 6S, results in less voltage sag under load that should feel like you added a turbo to it. the other thing people dont see is the cyclic responce is really crisp because of the voltage sag is less.

on my 12s setup , its the 45-06 , low KV 640
my wide open RPMs is less than the 45-08 on 10s everyone is useing .
best voltage
45-06 12s max
45-07 11s max
45-08 10s max
45-10 7s max and 8s if you gov down to around 80% ( untested)

gov it down. 10to 12% of actual 100% hs is about the best power.

Tony
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02-07-2008 07:06 PM  11 years ago
Reesy

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In the doghouse ... Nottingham UK

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Ah
Just looked at KC's profile are we talking of a logo 14 here? in which case ignore my ramblings ,, sorry thought you mean't a logo 10

for a 14 I'd go the way Tony say's my 3DMP flies pretty good on 45-07 10S
Paul
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02-07-2008 09:43 PM  11 years ago
KC

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WA

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Rambling is good, I can use all the ideas I can

Unfortunately I am entrenched in 8s, so changing out will cost me thousands...I want to stick with it as it keeps the machine light too.

Fwiw, i had my 14 down to 5lbs 15 oz... Currently I run 6lb 6 oz on 580s and the setup in my profile....flies nice but I would like more go without adding much more weight i.e upgrades, 10s 600s etc etc
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02-08-2008 09:13 AM  11 years ago
Reesy

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In the doghouse ... Nottingham UK

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OK
Start again
Do you have a 45-10 allready or are you thinking of getting one? If not then a 45-09 might be a better choice but they are thin on the ground

Are you KC the verb or KC the noun? if you don't understand that I guess your not the verb in which case look up your namesake and his venerable spreadsheet

if it's 45-10 8S and 580 blades then go smallest pinion (I think 10T?)

Use a watts-up for SOOO many reasons and turn the Jazz to say 75% use a computer/cpu cooling fan to blow air over the motor (I know kontronik say no need but they also say don't use that much volts)

Keep a check on temps early on and I reckon you could be onto a winner.

OFC 10S is nice but TBH I'm not going to ditch my current setup till my batts go tit's up and looking at what some have achieved with 6S then I can't see any reason not to try the above.

Or
You could try 2 packs in series and really pi$$ off the pansies

Turbo nutter

Yeah baby
Paul
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02-08-2008 06:49 PM  11 years ago
KC

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good ideas. KC is just lazy spelling for Casey, old inside joke thing...anyways I don't have a 45-10, typing error from using an iphone to answer that one before

the actro is looking promising...can avoid 10t pinions (they don't work well at 24k, let alone 29k!), will only add another 40g and its an easy frame mod compared to the neu 1910/1y...

16s would be awesome if I could make the 25 oz of another pack disappear man that would turn that heli into dust!!
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