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HeliProz . ZoomsHobbies . HeliHobby

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e-E-Flite Blade CP CX 400-3D > Blade CP+
 
 
mikemisty
Heliman
Location: Whitsett N.C Gilford Co

What LiPo packs are you guys useing ?

I need to go buy a new pack for this an really not sure what to get i seen people saying diffrent packs so let me know whats working the best .

Thanks for your help
06-10-2005 08:50 PM
 
 
bstock
Senior Heliman
Location: Easton, MD.

Rich,

I was reading in another forum... were someone was taking that small tubing off of other parts of the heli (I think he chose to do this from the landing skids) - it ends up they are all the same size on it.

Brent
06-10-2005 10:51 PM
HOMEPAGE  
 
 
akflyer
Heliman
Location: Soldotna Alaska

Just so you know, the CF blades off a hornet work great.... Till you try digging dirt with them.
Also, if you experience glitching problems, it MAY be a cracked Xtal in the RX. A futaba single conversion Xtal will take care of the problem most of the time.
For flying in the wind I used an Appogee 1570 3S and was comfortable in 10-15 MPH gusts... It does make hovering quite the challenge though, but FFF was fine.
06-11-2005 12:10 AM
HOMEPAGE  
 
 
Jason Merkle
Senior Heliman
Location: Champaign, IL

Rich -

Got your email! Havent had a chance to respond (VERY busy last day in the office preparing for the long trip), but thought I would make a quick post here first.

Great points on making sure new pilots understand the ins and outs of this machine before they pick one up. The price, performance and cost/availability of spares may likely make this model popular among beginners and as we've all said they can be successful learning to fly with the BCP. The tail does not hold as well as the HH equipped, driven tail machines out there, but it does hold better than almost all the other fixed pitch and motor driven tail helis out there which beginners have typically ended up with.

We're testing brushless alternatives and quite a few other options ourselves. HH would also be quite nice. Rest assured, we'll let you guys know as soon as possible when we find the best results

Regarding the "seperates" set ups, theres a TON of options out there. Most guys run the brushed tail motor and a Castle Creations Pixie 7 ESC (or any similar 2-10 amp brushed ESC with no brake) but some also use the brushless Feigao and similar diameter brushless motors with CC 10 ESCs. Most of those guys use brushless because the brushed motors simple wouldnt last on 3S LiPos...but that was before the N30 motor used in the BCP Team JR pilot Ron Osinski ("GMRO" here) actually uses a CSM 200 HH gyro on his "seperates" BCP with the "stock" N30 motor and has excellent results. He also uses a Park 370 brushless motor (4100kv now, soon to try the 3600kv alternative to keep the headspeed in check), 3S 900mAh LiPo packs and a JR 9303Tx / 610 Rx. Boyd-Hoverup here also has a lot of experience with "seperates" set ups and is currently assembling an "ARF" BCP with brushless main/tail motors so it will be interesting to see his posts once he has it up and flying!

For added secutiry of the tail rotor blade, Ive heard of some guys using a small dab of flexible adhesive along with the tubing. It holds very secure until a medium-hard tail rotor blade impact knocks it loose (as intended). For those who might not want the the features the silicon tubing offers you can actually use a wheel collar. If you do decide to use the wheel collar and like more "bling" Ive actually seen some blue anodized aluminum wheel collars from GS Racing that fit the BCP tail rotor shaft perfectly (usually found in shops who carry a lot of RC car parts and accessories).

The crash kit does actually include 4 new tubing sections on the skids (2 on each). As long as you dont lose the 4 tubing sections holding on the skids that may have been damaged in a crash, you should have plenty of extras after purchasing a crash kit. I'll definitely tale note of that however and see if we can possibly include a section with each replacement tail rotor blade too.

For everyone - if your shop doesnt have spare parts in stock, let them know they should order some We have had a plentiful supply of many spares in stock since the release of the very first BCP heli (we know how important spare parts availability for helis is) but many shops simply have not stocked up. This may be due in part to the fact that many shops wanted to see how well the heli would perform before supporting it fully with spares, or maybe for other reasons altogether, but either way they probably dont have much of an excuse any more There's a lot of BCP owners out there anxious to stock up on parts for a variety of reasons
06-11-2005 12:17 AM
 
 
Jason Merkle
Senior Heliman
Location: Champaign, IL

mikemisty -

When it comes to LiPo pack choice for the BCP, it depends on what youre looking for...

For all out aerobatics and the best power to weight ratio with durations averaging 13-18 minutes, any high quality 10C+ discharge rate capable 860-900mAh packs work best. As recommended in the manual, both E-flite and Thunder Power have some of the best packs in this class. I regularly fly both types of packs in my AEK equipped BCP and they perform excellent.

If you are looking for even more duration with higher weight for flying in windier conditions, 1200-1320mAh packs work best. Average flight times with packs like these is 20-25+ minutes so I wouldnt really suggest anything with more capacity and more weight. There are also E-flite and Thunder Power packs in this class listed in the manual, available from the same places that stock BCP helis.

Hope this helps!
06-11-2005 12:22 AM
 
 
ImRich
Veteran
Location: Derry, NH USA

Jason and others,

Thanks for mentioning using the the tubing on the landing gear as a spare part! I don't know why that wasn't obvious to me!

I'd love to do some testing with the brushless setup if the all up weight is not too much.

Jason, good luck on your business trip! When you get a chance to reply, is there any sort internal adjustments in the 4-in-1 for the rev up/down function? I'm now starting to see more videos of the Blade flying (the one link you provided and another someone else sent) and I don't think my tail holds as well as those in the video.

But I'll have to try it again when I get my new parts in. I'm still waiting. Too bad too as I lost the chance to demo this at our local fun-fly.

---
Rich
06-12-2005 12:59 PM
HOMEPAGE  
 
 
flybarless
Key Veteran
Location: Torrington, CT

Tailfix
Get some RC CAR fuel line, it has a thicker wall then the stuff supplied,
use about 3/16- 1/4 " length piece. It will still come loose if you hit it, but I have yet to loose it completly.

Just remember -- if the world didn't suck, we would fall off.
06-12-2005 01:44 PM
HOMEPAGE  
 
 
mikemisty
Heliman
Location: Whitsett N.C Gilford Co

Thanks LVRCFlyer i'll try the 860-900mAh packs .... Weather around here is pretty calm just hot an hummid ....Not alot of wind to deal with usless a evening storm is comming threw .

Thanks again
Mike
06-12-2005 07:14 PM
 
 
BunnMan
Heliman
Location: Pasadena, Maryland

New guy

I am a former fixed wing RC pilot of about 12 years experience in sport and scale modeling. I left the hobby when I was about 21 to chase other things . She finally slowed enough to let me catch her thank God. Now my daughters are getting interested in RC. My grandpop has been active in the hobby (fixed wing) through my enitre 13 year absence. Anyway, upon a rekindled interest in RC flight I began eyeing up the nitro helis. A quick comparison of price tags and bank balances removed that option. I figured on getting a RC flight sim so I could mess with helis on there to prepare for an eventual purchase until I saw a micro heli at the LHS.

I bought the Blade yesterday as my first heli, cheaper than a flight sim and able to fly in the house...gotta love that. I tried to rush out of the box and into a hover since I have all this marvelous fixed wing experience it would be a sinch right? WRONG! First dumb mistake was not reading the manual all the way through. I thought the "idle up" was a necessary step to lift off and quickly busted the tail support off when I engaged it on the grass. I then proceeded to whomp the crap out of the poor little bird by chopping the "throttle" everytime I got in trouble, which was about 3 secs after the skids cleared the grass after every lift off. How was I to know that I was throwing negative pitch at the poor little thing and slamming it helplessly into the ground? Oh...that's right...it's in the manual! She took the abuse quite well believe it or not. At the first dead battery I sat down with the manual and said out loud, "oh, wow, no kidding" at least five times. I went through the checks and tests then tracked my blades and built some training gear out of 1/8" dowel and four ping pong balls (found yellow ones, they actually look OK). Five battery charges and one set of blades later (coffee table strike, I swear it moved) I'm getting the hang of hovering. All flights except for the initial abuse have been in the house under controlled conditions. It has been a handful learning set up, trim, heli theory, and hovering all at the same time but has also been a TON of fun. It's very rewarding to hold that little bird in a hover in my living room...it's still a little shaky but improving every flight, I can't wait to chase the cats! I think I'm ready to try some forward flight outside once I find a nice calm day. Only thing is...I'm scared to take my training gear off. Will it fly with the gear on there you think?

Note to the beginner: I know the claim is this thing is ready to go right out of the box, and it probably is, but you're not. So read the book through first there's some really good stuff in there. Only problem with the manual I've found is that it says to screw the links "in" on the blades to lift the low blade but I had to screw "out" to increase blade pitch. It is possible to learn with this heli, I seem to be getting a grasp. Training gear is a must for the newbie! It is soooo much easier for the bird to live through your mistakes that way. If you have a local heli expert...seek their help. I don't know of one but am seeking.

Question for the experienced: Should the blades be level when properly tracked or is it ok if they are a little higher at the tips than in the center. Both are in track, that is they follow the same path but they are "dished" a little when up to speed.

I am very pleased with the BCP and frankly am amazed at the low price for such a cool model. Hopefully this thing will prepare me for a 30-50 sized nitro heli down the road. That's why I went with this CCPM micro versus the other fixed pitch micros I saw on the net. I love the small size and protability of this little bird...what a blast!

God bless,

-BunnMan
06-13-2005 06:55 AM
 
 
mikemisty
Heliman
Location: Whitsett N.C Gilford Co

My first electric heli was a hummingbirl and experince alot like Bunnmans .......Being a male an spending all day on Christmas
putting together toys i figured hey i dont need the instructions for this bird i can fly it .. First thing i learned is ALWAYS turn TX on first that nice little cut on my ear helped me learn that fast . That thing took off got my ear an about half the breakables in the house befor it stoped .
Now with new helis i do read instructions an you should to .
06-13-2005 07:28 AM
 
 
3Dflyer442
Heliman
Location: Apex, NC

Inverted

Hey guys!

I have had my Blade CP for about a week now and I absolutely love it! Just one question, when I switched to the symmetrical blades I now have no lift upward sometimes and sometimes I have very little negative lift. What would cause this?

Thanks

Justin Costilow
06-13-2005 07:56 AM
 
 
Hoverup
Elite Veteran
Location: Gulf Coast

Did you change the main motor pinion when you changed the main blades? You need to increase the head speed when you go with th symm blades.

Cheers - Boyd
AMA80393
Major USAF
Retired
06-13-2005 10:18 AM
 
 
ImRich
Veteran
Location: Derry, NH USA

Quote 
Should the blades be level when properly tracked or is it ok if they are a little higher at the tips than in the center


The small wood blades will flex a bit. Stiffer blades would flex less. Don't worry about that, but do be sure your tracking is good. Both blades should follow the same path.

Rich

---
Rich
06-13-2005 12:52 PM
HOMEPAGE  
 
 
BunnMan
Heliman
Location: Pasadena, Maryland

The learning curve steepens

I took her outside for some forward flight attempts today. I busted my training gear right out of the gate and proceeded to break stuff over the entire experience. It seemed that the heli didin't respond quick enough to my inputs while in forward flight, probably due to my inexperience in large part but I think there is a control lag that aint helping much. If I maintain a stable hover things go OK, but if I get it too high and try to descend fast or get into forward flight I run into trouble real quick. I know I have to develop my tail flying skills which is the big reason behind my forward flight problems. There were a few times while slow moving/hovering that she got into bad situations and I held proper corrective control but she didn't respond in time. I have seen posts reguarding weights on the flybar contributing to this so I moved the two collars that were out at the paddles in close to the center...hopefully that puts me on the right track?
Also, I believe my blades might be slightly positive when they should be in neutral which, again is my fault after tampering with tracking adjustments by always moving the link on the low blade. I knocked the tail piece loose enough that the whole tail rotor/motor assembly was spinning around the tail boom. I should have stopped at that point but figured a gentle hover wouldn't hurt. Which was right, however I wasn't able to maintain a stable hover and got high and across the field so I dipped the nose to fly back toward me when she achieved 15mph or so and the tail rotor turned sending her spinning to mother earth. Only damage was a broken right side main gear.

Observations about Blade CP: I thought it was pretty resillient to hard landings/crashes considering the few times I landed her without hitting a blade in the grass. I was a little disppointed in the tail piece coming loose but was real impressed when it went spinning into the turf at 15mph and only broke the mains on one side. Still very pleased with the heli but am more aware of the learning curve ahead. I thought hovering was the hurdle...that's a sinch compared to controled forward flight!

Any help you expienced folks might provide will be more than well appreciated.

God bless,

-BunnMan
06-14-2005 12:57 AM
 
 
akflyer
Heliman
Location: Soldotna Alaska

I have been flying mine around a small shop waiting for the wind to get below 20mph... All I can say about the sluggish controls is that you are probably not giving full input to correct a drift. I know it may seem like you are jamming the sticks but I bet that if you had someone videoing your fingers while flying, you are probably not moving them much....I see it happen with students all the time.
06-14-2005 01:29 AM
HOMEPAGE  
 
 
ImRich
Veteran
Location: Derry, NH USA

Blade CP

Note: This is with the stock flat bottomed airfoil blades.

Watch your C/G! I had mine balanced at what I would think would be neutral. That is, I balanced it with the landing skids and tail boom parallel to level ground. I found that the heli would balloon significantly in forward flight and required significant forward cyclic trim to correct this.

I slowly moved the C/G forward until the ballooning in forward flight went away. I found that the landing skids/boom were very 'nose down' or nose heavy and the heli was flying with much more stability.

Has anyone else found this to be true?

I'll try it again later with the symmetrical blades when I get a new set.

[edit] This also occurs with teh symmetrical blades, so if you get ballooning in forward flight, try moving your C/G so the heli hangs with a noticable nose down attitude. It's easy to do a test flight, then land and move the battery a bit to find the right spot.

---
Rich
06-15-2005 12:05 PM
HOMEPAGE  
 
 
NYJR13
Heliman
Location: New York City, New York, USA

as far as your decent issues, try engaging idle up, your problem is that as you lower the throttle, the blade rpm drops, therefore you loose cyclic pitch control. Its a pain, just be careful with idle up, but it will keep the headspeed up.

Winning the fight against gravity 24/7
06-21-2005 05:14 AM
 
 
BunnMan
Heliman
Location: Pasadena, Maryland

Ahhh...that makes sense!

ImRich,

I experienced that ballooning today as I finally was able to achieve reliable/controled forward flight. Man, I loved that! I have switched back to the flat blades and will try moving the balance point forward to see if I can get the same result you did. Does yours both hover and fly forward reliably without moving the trim?

NYJR13,

Sounds like you are right on, that makes a ton of sense and I thank you. After switching back to flat blades the problem isn't nearly as bad but I will DEFINATELY keep your advice in mind and use the idle up as soon as I am comfortable enough on the controls to try it.

God bless,

-BunnMan
06-21-2005 05:43 AM
 
 
flybarless
Key Veteran
Location: Torrington, CT

Another thing to help with the "sluggish controls, move the wheel weights on the flybar closer to the head, the weights are there to dampen the movment.
And I would use the idle up as soon as you can, the increased head speed is a little unnerving at first, but does make a big difference in stability. Just remember in idle up, don't just slam the throttle down if it gets a little away from you, you will be applying full neg pitch at full throttle.

Just remember -- if the world didn't suck, we would fall off.
06-21-2005 01:47 PM
HOMEPAGE  
 
 
BunnMan
Heliman
Location: Pasadena, Maryland

10-4 on the fly weights

I have already moved those to the inside, thanks for the tip though. I will try the idle up as soon as I'm comfortable enough to reach up and flip the switch while flying . I'm just now getting comfortable to making trim changes while in flight, hehe. This thing is a whole lot more consuming than my fixed wings in the air!

God bless,

-BunnMan
06-21-2005 08:31 PM
 
 
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Ron’s HeliProz South . Century Helicopter . MTA Hobbies

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e-E-Flite Blade CP CX 400-3D > Blade CP+
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