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GrandRC . Revolution Models . CarbonXtreme

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e-Century Hummingbird - Swift > Considering HB Elite 3D pro
 
 
lryansl
Senior Heliman
Location: Yuma, Arizona

Im considering getting one of these I currently have a Blade CP and I want something that doesnt have a motor attached to the back of it for rudder control which is why im considering an HB Elite 3D Pro. I have a few question, century is offering a deal with brushless motor and esc is this a good setup and deal for the HB or no? also I was thinking i might try and swap as much of the electronics from the Blade like the reciever, gyro and servos would this also be possible?
If theres anythign else i need to know please chime in, also will the scale bodies for the v3 work with the pro? Thanks for the help.
03-31-2006 Over year old.
 
 
Pistol_Pete
Elite Veteran
Location: Tampa Bay non-Buccaneer

Have you considered a T-rex XL? Can handle outdoors with winds in the 10mph range.

<><>...the lunatic is in my head...<><>
03-31-2006 Over year old.
HOMEPAGE  
 
 
lryansl
Senior Heliman
Location: Yuma, Arizona

many of times but the cost is just to much for me right now. and size i dotn have a bunch of room to fly in.
03-31-2006 Over year old.
 
 
cudaboy_71
Key Veteran
Location: sacramento, ca, u.s.

i absolutely LOVE my 3dpro. but, i have done extensive mods to it....not the least of which is the $60 belt-drive tail mod from rc-helitech.com. (simply a great quality mod that works perfectly).

the crown gear of the stock drive shaft setup is just too fragile. sure, if you never touch the tail on the ground you won't have a problem. but, if you catch even a blade of grass (seriously i've stripped them out just taking off in short grass) the thing will strip. if you do fly off of grass you'll have to fly off of a piece of carpet, or find some pavement nearby.

aside from that, it's a great flying little bird. some of the aluminum hop-up parts do actually make a difference in flying quality. but, honestly you can fly it bone stock quite enjoyably. this should keep your costs down initially, and allow you to upgrade as you progress. and, we can recommend the best parts to upgrade, and in what order as you need them. i think there are plenty of people here who have already been down the road to offer good advice.

as for the electronics of your blade, i wouldnt do that. the 3dpro can be set up to fly very well. but, without a heading hold gyro you'll be disappointed. as far as the motor, i have heard that century's lighting outrunner has great power (never used one myself). i wouldnt recommend the lightning inrunner (on sale for $24 now)...its a good price, and will fly...but, it's pretty docile in the 3dpro.

i do use the eflite 20amp esc on my 3dpro (is that what the blade uses?...i know its the same company), along with a TP1320 3s pack. it handles the current fine, feeding 4 HS-55s and a GY401 gyro.

dunno about the scale bodies...garage_flyer may know.

if it ain't broke…break it.
03-31-2006 Over year old.
HOMEPAGE  
 
 
lryansl
Senior Heliman
Location: Yuma, Arizona

This is the one i was considering http://www.heli-world.com/Merchant2...&Category_Code=
03-31-2006 Over year old.
 
 
cudaboy_71
Key Veteran
Location: sacramento, ca, u.s.

that's a fine combo.

the JGF 400DF has been the defacto standard 'hot' motor for the 3dpro in the past. but, that outrunner is relatively new to the scene (a few months). the people that have it have had positive reviews of it.

the esc should be fine, too. i think that'd make a fine starter package. just add a HH gyro and some servos with at least HS-55 specs (dunno what your BCP's servo specs are)

i'd highly reccommend the beltdrive mod, too. probably won't be too hard to convince you after you strip your first crown gear. who knows, maybe you wont ever--then you'll be fine with the stock setup

if it ain't broke…break it.
03-31-2006 Over year old.
HOMEPAGE  
 
 
lryansl
Senior Heliman
Location: Yuma, Arizona

I was also going to order the belt drive mod too. Also would a 3s 900mah Lipo be fine and if so what kind of flight times am i looking at 10 to 15 minutes??
03-31-2006 Over year old.
 
 
alanhsu
Key Veteran
Location: Vancouver, Canada

3D pro is nicely designed and with proper mod it is no less than a T-rex. However, that is Only with proper mods...(the catch!)

I have like...a whole bunch of HB...elite, V1, 3dpro, extended tail 3d pro...bla bla bla

I think the advantage of 3D pro over a T-rex is it's weight and simplicity in assembling the head parts and setup. So cheaper battery and motor can be used on the 3d pro to produce very good power.

Swap out crappy parts right away though, a lot of people went crazy with the tail setup and those tiny scrub screws, so be warned.
03-31-2006 Over year old.
 
 
cudaboy_71
Key Veteran
Location: sacramento, ca, u.s.

for a battery, you need something that can deliver in the 15amp -22amp range if you want the heli to be sporty at all.

most people are using the TP 1320 3s prolite. doing the math that's 1320mah * 15C discharge = 19.8A

i've also used the older 8C 1500mah kokam. that's only 12A....but, it does ok...a little on the porky side tho.

for 900mah pack to work it'd have to be a 15C discharge pack. that'd give you 13.5 amps to use. but, your flight times would be on the order of 4 minutes

FYI, here's how you figure pack duration:

(pack capacity or the 'C' rating/draw in amps)*60 = duration in minutes

so, a TP1320 3s is (1.32/12)*60=~6.6 minutes with a 12amp draw

your 900mah pack is (.9/12)*60=~4.5 minutes with a 12amp draw...provided your pack is rated for at least 13.3C discharge (12/.9)

add to that the rule of thumb that you need to subtract about 1 second of flight time per gram of weight added and you can shop for packs more effectively.

Quote 
3D pro is nicely designed and with proper mod it is no less than a T-rex. However, that is Only with proper mods...(the catch!)


absolutely true. however, the thing is flyable and enjoyable out of the box. for someone that doesnt have the budget for a trex right away, a 3dpro will give you a solid flying bird, with room to grow as you get the funds.

if it ain't broke…break it.
03-31-2006 Over year old.
HOMEPAGE  
 
 
Pistol_Pete
Elite Veteran
Location: Tampa Bay non-Buccaneer

lryansl

Given link above it seems to be a good deal.

By the way, you are only looking at $40 difference for the Trex XL.

Don't know what the belt upgrade cost...so keep that in mind as well.

You did mention flying space but I wanted to make sure that you don't think that T-rex XL is unattainable.

http://www.aeromicro.com/Catalog/al...esc_4556691.htm

You dont have to upgrade, you dont have to get a 401 gyro and you dont have to use 4S batts...bottom line...you dont have to have what everyone else in here says you "have to" get.

I use 3s 1800 lipos ($45...back then) and get about 12 min hovering and mild flying or less otherwise.

Just making it clear just in case.

Best of luck in your new purchase.

<><>...the lunatic is in my head...<><>
03-31-2006 Over year old.
HOMEPAGE  
 
 
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e-Century Hummingbird - Swift > Considering HB Elite 3D pro
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