Walkera MiNi CP - Smallest 100 sized 3D helicopter - Page 266 - RC Groups
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Aug 04, 2012, 06:31 PM
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Whats the width of the minicp blades ? Going to do a led mod on one pair and i need to know the max width of my battery/battery holder.
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Aug 05, 2012, 08:19 PM
Registered User
So I'm interested in getting a Mini CP, with Devo 7tx. I'm coming from a 450 background, which is just too time consuming to fix after a crash. So I want something super durable, that will work good straight out of the box, without needing mods.

Put in a lot of research, but still have a couple questions.

1. Anyone know any good places for a good price. I still have sticker shock, considering every single place I've looked, its running around $210+ by the time shipping is applied. To me, thats extremely expensive for something so small, that's almost double what it cost to make my 450.

2. Anyone use an 8 tooth pinion? wowhobbies, sells pre-upgraded ones for around $215 shipped. They say it has an 8 tooth pinion, rather than 9, and a 300mah battery instead of stock. They claim this setup gives 200rpm more headspeed, as well as double the flight time. That seems like a pretty steep claim though. I usually don't like pre-upgraded things, I like to feel things in stock form, and upgrade myself. However if it makes as big of a difference as they claimed, I might just go for it, since like I said, I just want something to work good out of the box, without spending any extra time or money on upgrades. Any input on the 8t pinion with 300ma batter combo?
Aug 05, 2012, 08:23 PM
Registered User
Main blade width - 16.58mm
Battery tray width - 21.48mm
Aug 05, 2012, 09:08 PM
Registered User
What are mcpx blades like on the mini?
Aug 05, 2012, 09:18 PM
Registered User
Awesome. They provide a lot more lift but are slightly heavier so a more powerful motor (hp05 and up) should be used imo.
Aug 05, 2012, 11:17 PM
Team Armattan
Jon.M.Barter's Avatar
Quote:
Originally Posted by carl1864
So I'm interested in getting a Mini CP, with Devo 7tx. I'm coming from a 450 background, which is just too time consuming to fix after a crash. So I want something super durable, that will work good straight out of the box, without needing mods.

Put in a lot of research, but still have a couple questions.

1. Anyone know any good places for a good price. I still have sticker shock, considering every single place I've looked, its running around $210+ by the time shipping is applied. To me, thats extremely expensive for something so small, that's almost double what it cost to make my 450.

2. Anyone use an 8 tooth pinion? wowhobbies, sells pre-upgraded ones for around $215 shipped. They say it has an 8 tooth pinion, rather than 9, and a 300mah battery instead of stock. They claim this setup gives 200rpm more headspeed, as well as double the flight time. That seems like a pretty steep claim though. I usually don't like pre-upgraded things, I like to feel things in stock form, and upgrade myself. However if it makes as big of a difference as they claimed, I might just go for it, since like I said, I just want something to work good out of the box, without spending any extra time or money on upgrades. Any input on the 8t pinion with 300ma batter combo?
i recommend buying used from helifreak or rcgroups classifieds. you can get much better deals. ebay sometimes has a mini cp as well used.

the mini cp is good out the box with whatever motor and battery. the only thing thats really affected is the flight time depending on the combo. obviously a powerfull brushless motor will last you more and give you alot more "umph". but it sounds to me like you want to start off stock and then put the brushless yourself.

for batteries and motor combos itsmillertime has written alot of good info on the topic.
Aug 06, 2012, 12:59 AM
Registered User

Power loss


My MiniCP is uneven in lift power and regularly seems to run low on battery, but the battery "recovers" after 15-20 seconds rest and provides power after the rest. I had this issue with the brushed stock motor and also with my recent brush-less upgrade (HK C05) and new tail brushed (stock) motor. I have tried multiple different batteries, replaced the battery and tail wires, and the behavior is the same. It runs better without the canopy, I can't see any points of contact and nothing gets particularly hot, even with the canopy. Any ideas/suggestions?

Sven
Aug 06, 2012, 06:12 AM
Registered User
Ive noticed mine flys a lot better without the canopy on. But I dont like to fly it like that. My tail doesnw budge with canopy off but it does very slightly with it on
Aug 06, 2012, 09:52 PM
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It's official... http://cgi.ebay.com/ws/eBayISAPI.dll...#ht_500wt_1156
Aug 07, 2012, 12:28 AM
Registered User
Quote:
Originally Posted by helisb
My MiniCP is uneven in lift power and regularly seems to run low on battery, but the battery "recovers" after 15-20 seconds rest and provides power after the rest. I had this issue with the brushed stock motor and also with my recent brush-less upgrade (HK C05) and new tail brushed (stock) motor. I have tried multiple different batteries, replaced the battery and tail wires, and the behavior is the same. It runs better without the canopy, I can't see any points of contact and nothing gets particularly hot, even with the canopy. Any ideas/suggestions?

Sven
Well the new batteries (Hyperion 240 25C and ZIPPY 350mAh 20C) did make a difference after a second charge I used to get 4 minutes on the stock batteries, with the brushed motor. With the brush-less I get just over 4 min with the 300 and about 4 min with the 240, with more punch and now without the in-between "running lows". Are these time comparable to what others are getting?
Aug 07, 2012, 12:33 AM
Registered User

Batteries


Quote:
Originally Posted by helisb
Well the new batteries (Hyperion 240 25C and ZIPPY 350mAh 20C) did make a difference after a second charge I used to get 4 minutes on the stock batteries, with the brushed motor. With the brush-less I get just over 4 min with the 300 and about 4 min with the 240, with more punch and now without the in-between "running lows". Are these time comparable to what others are getting?
By the way has anyone tried the Turnigy nano-tech 260mAh 1S 35-70C?
Aug 07, 2012, 02:53 AM
Registered User
I have. I purchased ten of them. They seem ok with my brushless kit. Doesnt get a lot of flight time..
Maybe 3 mins. My tunagy 300mah 35c get around 5 -9 mins
Aug 07, 2012, 05:47 AM
Fan of just about anything RC
SoloProFan's Avatar
So the Nano Tech 300 (for Solo Pro 100 officially) is a better battery than the 260 version? And does it fit the stock skids well?
Aug 07, 2012, 08:16 AM
Registered User

glitching servos/board


Have had the mini cp i while now. It have suffered a fair share og chrashes. Mainly because it does survive most of them without damage.

Have stripped some servos, and installed new ones.

But now the problem is that as soon as i give power elevator and alileron servos start to do the "funky chicken" dance.

They go to the full up position and back again. Full up is when signal wire is diconneted, not? Sometimes they move when i shake the heli. When it sits still, there is no problem. A faulty soldering?

Hugo
Aug 07, 2012, 08:21 AM
Registered User
Quote:
Originally Posted by itsmillertime
Main blade width - 16.58mm
Battery tray width - 21.48mm
Damn, i was going to put cr2025 battery's on the rotor blades to power leds at the tips, but their 2 cm in diameter. Going to have to figure out something else.

Wonder how a cr2025 battery holder would fare if you stick it to the top of the rotor hub, and then wire from there to the tip of the wings.


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