Peter Brinkmann

Hi,

Eagle Driver show his rudderr / fin ... and i show the flap an the ail.
in the rudder is my servo installed like as eagle drivers installation... but his installation is much stronger thane mine. i'm sure this way to install the rudder servo is strong enough... i hope so ... because one of the plywood which i glued in ... is next to the arbor ...

Peter Brinkmann

Hi,

Yes it is a good idea to countersinking the hole ... to have more space for the screws... i did this on 3 or so holes...

And a little tool which i made ... is a drilling jig ... the the pic

rhklenke

My Feedback: (24)

Oh, OK, my bad - sorry.
I think that installing the servo that way in the fin is OK. I thought he had done his that way in the wing...

Bob

Phantoman

My Feedback: (1)

Hi Peter and All,

I am also building an FEJ F-15 as my first jet and have been reading this tread closely.

I happen to be starting with the fin/rudder in my build.

I notice that you are mounting the servo arm toward the inside so as not to upset the decorative work on the outside face of the fin/rudder. That is how I want to do it also.

Could you please post some pictures of your left fin/rudder servo install please.

Thank you,
Allen

Peter Brinkmann

See pls

But the fuselage is easlyer to handle without the fins ... i recomment : install those fins later ...

Eagle Driver

Peter,

have a look on Ebay, can see what i did with my Flash last week, redesigned it into a F104....

Peter Brinkmann

...

Phantoman

My Feedback: (1)

Peter,

You are correct. I am only building them, not installing until later.

Allen

jimngu

Hi Peter ! thank you for your help , yes I know what you mean , and great build picture I will follow it if you don mine
Thank you all

Phantoman

My Feedback: (1)

Peter,

Hello.

I am not an ebay user, but I would like to see your plane. Please provide better ebay directions as to where to look exactly for your plane or mayv=be an I.D. number.

Thanks,
Allen

SPERX

Peter / Jimingu

I think you may be making a mistake with the fins. Peter, is the fin with the fatter EW pod on the top your right-side fin? If so, there may have been a mistake - my research photos show that the F15s have the fatter pod on the left fin - see the attached. Also the dark grey centre is on the outside face of the fin and the lighter grey centre on the inner - again see the attached. On my FEJ F15C I have the colours as per the full size and the fatter EW pod is on the left hand fin. And, the cut-out for the rudder servos is thus on the inner face of the fins - so no need for me to cut a further hole to preserve the markings. Its better explained in photos I think.

Peter Brinkmann

Hi,
I think I'm right ....



and have a shorter look to this camo design ... [link=http://www.jpsmodell.de/dc/draw/f15ghost.jpg]look here pls[/link]

SPERX

I agree - I just don't understand the requirement to cut out a hatch on the outside face of the fin - or is that for access to fibreglass the servo box in position?

Peter Brinkmann

Hi,
I'm full agree with you ... i didnt understand this to and tell this question to FEJ ... they told me that this is easier to build the fins.
But it is as is ...

SPERX

Hi Peter,

I see. Perhaps it is time for FEJ to start supplying some building instructions with their models? I am finding it quite difficult to assemble my F15 without instructions.

Anyway, yours is looking good. When do you plan to fly it?

Simon

rhklenke

My Feedback: (24)

Originally FEJ had the servo hatches on the inside of both fins. They later changed it to have the servo hatches on the left side of both fins. I know this because my kit originally came with fins that had the servo hatches on the inside. Unfortunately, I damaged those fins by stepping on them while they were in my garage [:@] The replacements I ordered came with the hatches on the left side. James told me that they made this change so that builders could put the servos on the same side and thus run the rudders without needing a Matchbox (or reversed servo) on them.

Bob

SPERX

Hi Bob,

Curiouser and curiouser. My F15 was only delivered last October/November and has the hatches on both the inside faces of the fins. Query? Have I got an "old" set of fins on an "improved" model?

However, thanks to the wonders of HiTec I will not have the asymmetric servo problem as I can programme one rudder servo to operate in reverse - so long as I use digital servos on the rudders. Ouch! Another £120 sterling................

Cheers

Simon

Peter Brinkmann

Hi Bob,

This was a locic failure from FEJ ... i use both servos on the same cannel without a matchbox because the direktion on rotating is the same on both servos .. there is no needing for a match box

When i steer to left and the servoarm is left than the arm goes forward...
When i steer to left and the servoarm is right than the servoarm goes backward ...

and if u have a look from top to the servo ... it has the same direktion. There i no reason to change the direktion of the servo... in cause of this there was no reason to go outside of the fin in at the same side with the servoarms...
No trick.. no magic ..

with greetings from Cologne...
Peter

SPERX

Great!!! Thats my rudders back with standard servos then.

Peter Brinkmann

Hi Simon,

My plan for the maiden is ..... i don't know. Currently its frozen weather here .. an when this this is gone ... the airfield is a little bit slippery .. . I think that i can realize the maiden flight nearly in the spring ... [8D]
How ever ... i'm looking forward to have the first flight ....... and well first landing

reply to the last post from Simon : I've got standard servos in the fin to ... i hope they are strong enough

Greetings from frozen Cologne...

Peter

Eagle Driver

i`m still working on this Point .....

ask Peter he saw the first example.

rhklenke

My Feedback: (24)

Simon,

I am not sure of the lineage of your kit. Perhaps they changed back to the old way? I'm not sure why they would change back and forth twice though?!?

Peter, you are right now that I think about it - which leaves me wondering why they really changed it, but that is what James told me. BTW, my second pair of fins not only had the hatches changed, but the colors had changed *significantly* and so they don't match the fuselage... [:-]

Bob

SPERX

Are they written in English? Peter's English is far better than my German, but if you want someone to cast their eye over them in English, I'm your man.

Peter Brinkmann

Hi,
This exelent work what i saw were written in German and English ...

This building manual is a well manual... he wrote about all dimensions of the drills holes.. every buildingstep has its own picture etc... I'm sure he spent a lot of time to realize this 'book' This manual is not a manual in one or two letter ... when this manual is finished ... i think it has more sides than a big roman.

greetings from Cologne
Peter

Peter Brinkmann

Hi ...
now the last steps ...