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HeliDirect . Heli-Max . Scorpion Power System
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Blade Series RC Helicopters
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Blade mCPX
v1 vs v2
Tampa

Heliman

Tampa, F

I know this has already been discussed but I just picked up a new V2 after having the V1 for a while. Now having flown the V2 I'm thinking my old V1 may have been a dud. The new V2 has substantially more head speed, especially in idle up. I am flying the basic stock radio (for now) that comes with it. My V1 headspeed did not increase at all when I went into idle up. The new V2 head speed goes up substantially and it is much quicker than the old heli. Has anyone else noticed a difference in headspeed between the two versions or is my old V1 just a dud?

02-11-2012 Over year old.
kmcclain

Heliman

Hawley, MN

There is a big difference in head speed, even between different V1 helicopters and this seems to also be true Between different helicopters in the v2 series. I fly with 3 other guys that have have v2's and 2 that have v1's and every one has different head speeds. I had read that the difference is in the motors, but we have swapped motors from Heli to Heli, and it seems to be the manufacturing tolerances in the MOSFETS on the main board and their ability to output power. (You can purchase these on ebay for about $2 and solder on a new one, if you have very good soldering skills).

One thing you can do to help the head speed is to get the Turnigy batteries, (or another brand Micro-heli, hyperion, etc...) that have a higher capacity, and a higher C rating. Also I would recommend charging them on a regular lipo charger. The charger that comes with the Heli, (at least the 4 that I have, and several other friends chargers) do not do a good job of charging/peaking the batteries. There is a noticeable difference when I charge the batteries (even my stock batteries), with the regular lipo charger of your choice.

Here is a link to the Turnigy Batteries, you can purchase them where ever you like, but just a reference link: http://www.anythingheli.com/turnigy...ipo-blade-mcpx/

One other thing to check is to make sure that your gear mesh not to tight. If it is your head speed will be low and your flight times will be short as well. Set the mesh not tight, there should be a little (wiggle) room all the way around the gear. (Make sure you find the high point on the plastic gear, and check it at that point)

I hope this helps you out some.


Kurt



This hobby is like a mental illness!

02-13-2012 Over year old.
Tampa

Heliman

Tampa, F

This is great info Kurt. Thanks. I am flying good 30c batteries on the V1. It is still very under powered. I'm sending the board back in for service/replacement as we speak. After flying the new V2 there is no way I can go back down to that slow headspeed.

02-13-2012 Over year old.
cshutchinson

Heliman

Florence, SC

I flew my V2 for the first time today and couldn't believe the difference. It was like flying a hot rod heli compared to the V1. I also noticed the head speed change in idle up, where the V1, nothing changes. I bound the same model to both versions and the difference was quite remarkable. Even the airplane guys at the field today wanted one after seeing it fly.

02-18-2012 Over year old.
baby uh1

Veteran

St. James, Mo.

I've always wondered about this with my V1 as it doesn't change headspeed at all in idle up! It seems to have pretty good HS with a couple of my Scorpion batteries but is inconsistent at best!
Thought it was the motor but maybe it's the board?

Anything is possible if you don't know what you are talking about!

02-19-2012 Over year old.
Eco8gator

Elite Veteran

Palm Beach, FL

To me the V2 feels much more locked in than the V1.

Some say the tail on the V1 is less prone to vibes but the 5 that I have setup don't have issues at all...just locked in.

I used the Wow hobbies brushless conversion...including tail conversion...on 2(i own one of them) and put 5.5in booms on the stock ones. All fly very very nice

I do believe that EFlight needs to include a 300mah 30c pack instead of the 200 and also make the boom 5.5in vs what they have now. The difference is pretty dramatic in tail performance.

Carlo

Xera Motors
ProBar
Minicopter
Thunder Power

02-19-2012 Over year old.
jonathan

Heliman

italy, rome

Hi guys!

I have two mcpx's but one is definately a V2 and the other I am not so sure about. Is there a way to tell the difference looking at them as i dont have the box for the one I think might be a V1?

Thanks for the help.

03-10-2012 Over year old.
bigben1165

Key Veteran

grand rapids, michigan

i dont think there is a way to tell

big ben - 130X - DX6i

03-10-2012 Over year old.
matthewcornell

Heliman

Amherst, MA

> One other thing to check is to make sure that your gear mesh not to tight. If it is your head speed will be low and your flight times will be short as well. Set the mesh not tight, there should be a little (wiggle) room all the way around the gear. (Make sure you find the high point on the plastic gear, and check it at that point)

How do you set the mesh? I have two mcpx's and one's mesh feels perfect, and it flies great. The second one's mesh is tight (no play at all), and it flies weak. I've changed motors, frames, and main bearings on it and still it's weak. On my 450 I can change the mesh by sliding the motor, but the holes on the mcpx are fixed. Thanks in advance -- matt

10-11-2012 Over year old.
raptor boy

Senior Heliman

Corona, CA

Mcpx v2 board

You can tell the version on the back of the board it will say mcpxv2 or 2.2 1 say mcpx ver 1.5 or something like that. If you want more head speed just get away from the stock radio dx7 you can mess with it all and 100 idle up

flying = crashing

10-11-2012 Over year old.
turboomni

rrProfessor

East of the Equator

Many guys have said the V1 is better for a brushless setup because the gyros are less sensitive to vibration but have heard both being converted to BL with success. So if your V1 has slow headspeed that cant be fixed I would recommend going brush less. I have flown both V1/2 non brushless and their head speeds were pretty much the same and they flew the same. Could be the V2 seemed more locked in maybe,,but it was brand new so it could have been alittle tighter in the linkages.

Setup is everything, All my heli's can fly far better than I can pilot them

10-11-2012 Over year old.
USAF Retired

Veteran

North, TX

Anyone have a solution/mod for tight gear mesh? My V2 mesh is rather tight.

Thanks,
Tery

In God We Trust

10-12-2012 Over year old.
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Blade mCPX
v1 vs v2
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