Anthem with TMCR build
"I took the decision to buy the aircraft in September 2022 and placed an order with Bondaero who are the UK agents for B J Craft. Due to the Corona Virus lockdowns in China this order didn t appear until mid-February 2023! Chris Bond, handed over a large quite heavy box with the Anthem inside it. The whole lot was extremely well packaged with the fuselage supported by an attachment that ran through the wing tube and was bolted to the sides of the box. This serves to prevent the box being squeezed and the contents damaged. The Anthem went together surprisingly easily with no real problems surfacing throughout. I did use Gators battery tray and incidence adjusters as well as the tail wheels and main wheel axles that Bondaero stock. Once everything was fixed in place, a final fingertip CG check showed that I had indeed hit the 300 mm mark (BJ used that) so it was onto the final phase of setting up the controls. In the early flights, apart from looking to adjust all the usual features I have been quite taken with how well the Anthem and TMCR/D3 combination has delivered an excellent flying machine. The only issue is that you need quite a lot of in-spin aileron to make the aircraft spin. Spin recovery is very quick. Oh, final flying weight with mid-weight packs, was 5008 g so it makes weight. With the increase in 2024 to 5,500 g take-off weight, you will be able to use bigger packs while still making weight easily." Peter Jenkins - 11 April 2023
Product Description
Specification
Designed by BJ PARK
Manufacturing by BJ CRAFT
Wingspan 1900mm
Length 2000mm
Wing area 65 dm2
Stabilizer area 18.5 dm2
Spinner diameter 82 mm
RC system 6 ch 7 servos 1ESC
Aileron servo on/above 4kg 4ea Servo
(Futaba S9172 X 2ea)
Elevator servo on/above 3kg 2ea Servo
(Futaba S3174SV X 2ea)
Rudder servo on/above 8kg 1ea Servo
(Futaba S3072HV X 1ea)
SB is No side thrust (No need side thrust)
Use same fuselage for Contra and Single.
CG Wing Root from L/E 280mm-320mm
(BJ Prototype 300mm)
# CG range is very wide. But Find out tail heavy as much as you can.
Try 45 degree UP (60-70% Trottle), Slow harf roll (no use rudder), Find CG keeping 45 line (With out heading drop)
Recommend Elevator Delay or slow speed servo (10mm servo horn, 0.19 -2.0/sec speed)
https://bmfc.bmfa.org/wp-content/uploads/2023/03/Peter-Jenkins-BJ-Craft-Anthem-plusPt-1.pdf
https://bmfc.bmfa.org/wp-content/uploads/2023/03/Peter-Jenkins-BJ-Craft-Anthem-plusPt-2.pdf