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BJ Craft G2 Essence

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Old 02-08-2015, 10:13 AM
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shannah
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Default BJ Craft G2 Essence

Hi Guys,

BJ sent me pics and some information regarding the new G2 line of aircraft. He has two basic variations, the Essence and the Invitation.

You can see pics of the design concept prototypes here: http://www.rcone.kr/board/index.html?id=bjair1&no=138

The Essence is pictured below. Here are the primary details:
- Electric power only
- Large fuselage side area
- DTFS main wing
- Full Moving Stabilzer
- Canalizer type design



The Invitation is designed for both Electric and IC
- Electric or IC power supported
- Mounts included
- Traditional tapered wing and stab planform
- Fuel resistant paint used on the fuselage
- Optional clear coating of film covered surfaces is available



Some additional information on the models:
- The wings and stabs are interchangeable, by order, between the two
- 2 wing types, standard and DTFS
- 4 stab types: Essence shape Full Moving and Standard, Invitation shape Full Moving and Standard
- ARF kits are colored as shown on the above pics
- 4 color schemes are going to be available (Essence style, Invitation style, G2 Prototype Style (similar to Inspire), and an Akiba Passion style)

More details will be coming. I have some additional questions I will be sending to B.J. Park on the aircraft.

I know that he has been developing this design for a quite some time now. In usual manner, he has spent a great deal of time flight testing and refining the designs. I am really anxious to see these in person.

He has some additional options in development for these aircraft so it will be interesting to see how he progresses on those.

He is targeting a March roll out of the G2 aircraft, which will be right after Chinese New Year.

Steve
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Old 02-08-2015, 04:34 PM
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Is the Invitation the same airplane as the one labeled Inspire on BJ's website? I am confused:
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Old 02-08-2015, 05:59 PM
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Hi Joe,

the "G2 Prototype" link on B.J.'s website actually shows both configurations of the design which are now the Essence and Invitation. The Essence configuration is DTFS wing and matching flying stab and the Invitation is the traditional wing configuration and is also shown with the flying stab configuration.

He painted them like the Inspire, maybe to help be a bit stealthy during development.

The pics I posted are of the final ARF production configuration. There are some slight differences with the prototpype versions.
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Old 02-08-2015, 08:11 PM
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Hey Steve any idea on price as yet?
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Old 02-08-2015, 11:01 PM
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I REALLY like that Invitation scheme. Are we going to see any of the West Coast guys flying these this year Steve?

Tom M
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Old 02-09-2015, 04:11 AM
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The Akiba Passion style scheme mentioned above as one of the 4 choices sounds interesting as well.
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Old 02-09-2015, 04:44 AM
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Here are some photos of the passion scheme....
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Old 02-09-2015, 07:58 AM
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Originally Posted by ram_z View Post
Here are some photos of the passion scheme....
Thanks.
I wish you hadn't shown me those pictures ... now I have to buy one
That is the best scheme so far. Curious what the bottom looks like.
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Old 02-09-2015, 08:50 AM
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Here's a photo of the bottom of the Passion scheme ;-)
my one should be here in a few days, I'll post photos and weights when it arrives.

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Old 02-09-2015, 09:20 AM
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Thank you very much.
If you dont mind posting pictures, they would be greatly appreciated.
Out of curiosity, where did you get yours so quickly?
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Old 02-09-2015, 10:00 AM
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Will do.. BJCRAFT New Zealand have been in close contact with BJ with the Essence.. I saw photos early December and instantly liked it. We were able to have access to the first couple.��
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Old 02-09-2015, 11:41 AM
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Am I correct in that it looks like the full (flying) stab on this plane actually has anhedral?
That's quite a neat trick to pull off.
If true, I'm curious how he did it.
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Old 02-09-2015, 12:54 PM
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Very Large, it's whispering to me..., YS185 Bill....

I like the color scheme(s) too....nice job.

Bill Holsten
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Old 02-09-2015, 01:18 PM
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Originally Posted by ltc View Post
Am I correct in that it looks like the full (flying) stab on this plane actually has anhedral?
That's quite a neat trick to pull off.
If true, I'm curious how he did it.
it uses the same type of flying stab setup as the BiSide. That is also an anhedral stab. It isn't anything complicated as you can see from the pics. The stab halves are joined with two tubes, one near the center of the chord and the other one closer to the TE. It pivots around the center tube.
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Old 02-09-2015, 01:21 PM
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Originally Posted by rgreen24 View Post
Hey Steve any idea on price as yet?
Hi Robert,

No, I don't know the pricing. I'm sure Mike at F3AUnlimited will have details on that soon.
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Old 02-09-2015, 02:53 PM
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Originally Posted by shannah View Post
it uses the same type of flying stab setup as the BiSide. That is also an anhedral stab. It isn't anything complicated as you can see from the pics. The stab halves are joined with two tubes, one near the center of the chord and the other one closer to the TE. It pivots around the center tube.
Thank you for the explanation.
it just looked like a lot more anhedral than I've seen on the BiSide pics.
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Old 02-09-2015, 05:20 PM
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Thanks Steve
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Old 02-11-2015, 08:39 AM
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My Essence arrived today, And all I can say is WOW!!

The fuse is huge , much bigger than even my Epic and that's big.. I was very impressed with BJCRAFT's packaging , The box was double skinned which made the Essence very safe in the box..

The build quality is up another level from the Biside , So I'm very happy and excited ..

For this build I'm putting in an OS belt drive in.. Jeti Spin 99 speed controller and JR gear..


I'll weigh everything next and post weights later..


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Old 02-11-2015, 08:44 AM
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Sorry one of the photos has posted upside down..
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Old 02-11-2015, 09:43 AM
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Plane looks beautiful ... I'm envious

Where did you find the OS belt drive?
is this the one you are proposing to install?
https://rcjapan.net/o-s-engine-o-s-m...umiqnoet6odf72

I have a 50Products type G belt drive that I'm installing into a BJCraft Fantasista 70... it was not easy getting it shipped out from Japan to a USA customer.

Last edited by ltc; 02-11-2015 at 10:14 AM.
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Old 02-11-2015, 11:14 PM
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I've weighed the main airframe here are the weights..

Fuse including canopy and chin cowl.. 1188 grams its huge!!

left wing .... 302 grams

Right wing.... 302 grams

Left stab... 72 grams

Right stab... 73 grams

Rudder..... 76 grams

Cantilizer. ... 78 grams

My Dad Ewan is helping put it together to speed things up as we need to test fly on Monday to get enough flying on it before we go to the Australian Masters on the 3rd March ����

We Have made a good start on the Essence and will post more photos and progress soon..

i still can't get over the size of the Thing!
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Old 02-11-2015, 11:25 PM
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Originally Posted by ltc View Post
Plane looks beautiful ... I'm envious

Where did you find the OS belt drive?
is this the one you are proposing to install?
https://rcjapan.net/o-s-engine-o-s-m...umiqnoet6odf72

I have a 50Products type G belt drive that I'm installing into a BJCraft Fantasista 70... it was not easy getting it shipped out from Japan to a USA customer.
Yes that's it .. I got mine from Dave Mcfarlane in Australia " if you want his details I can post them.. It was $1000 Aussie dollar

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Old 02-12-2015, 03:32 AM
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RCJapan is a very easy place to order from. Have used them several times, once shipped, only a couple days to get here. They don't stock anything so takes a few days for them to get it.
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Old 02-12-2015, 04:24 AM
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hi i'm Jin-Young Lee. i used my Nuance over 1500 times.(behind yellow one)

i start to make Essence. i will use Plettenberg Advance 30-10
Essence's rudder is very tall. almost 500~510mm (Nuance is 370mm)

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Old 02-12-2015, 04:27 AM
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What is the advantage to using the OS belt drive unit over say the Plettenberg Advance 30-10?
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