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-   -   Another Skymaster Viper (https://www.rcuniverse.com/forum/rc-jets-120/8718743-another-skymaster-viper.html)

Heer 06-07-2010 12:03 PM

RE: Another Skymaster Viper
 
Hi at all
here http://www.youtube.com/watch?v=TuSMIbPVR4s you'll we see a inflight video done with micro cam on tail of a Viperjet over Switzerland.
Attn. date isn't correct, it was done on saturday 2010/6/6 - but I'm to stupid to change the txt-file on TF-card.
Hope you have fun to see this vid !
Fritz/Switzerland

Duncan 06-07-2010 12:27 PM

RE: Another Skymaster Viper
 
Hi Fritz

is that one of the keyfob cameras from eBay or hobby city? Any chance of a picture of where you mounted it on the model? The quality looks fantastic!! I don't envy you having that building at the end of the runway, it sure makes finals interesting.

Duncan

OttoKranz 06-07-2010 12:30 PM

RE: Another Skymaster Viper
 
Wow! Congratulations Fritz! Really nice video!
A

OttoKranz 06-07-2010 12:32 PM

RE: Another Skymaster Viper
 
Thanks you all for the suggestions about the smoking system.:) I will post some pictures when it will be ready.

A

Heer 06-07-2010 01:04 PM

RE: Another Skymaster Viper
 
@Duncan
yes camera is 808 car keys micro-camera buy on ebay.
Pics from mount will follow.
@ Otto grazie per complimenti !
Regards
Fritz

Heer 06-08-2010 12:38 AM

RE: Another Skymaster Viper
 
1 Attachment(s)
@ Duncan
pic from camera mount on side fin SM Viperjet.
Regards
Fritz

DENTO 06-08-2010 11:56 AM

RE: Another Skymaster Viper
 
1 Attachment(s)


ORIGINAL: Duncan

Hi Fritz

is that one of the keyfob cameras from eBay or hobby city? Any chance of a picture of where you mounted it on the model? The quality looks fantastic!! I don't envy you having that building at the end of the runway, it sure makes finals interesting.

Duncan
G-DAY ALL
Camera now at HOBBY KING $15 US could not help myself
By the way this turned up at the field the other day VERY NICE .
REGARDS
JOHN

zl1wn 06-10-2010 10:07 PM

RE: Another Skymaster Viper
 
Elevator Servos and rods
Hi all,
I am up to installing the servos into the elevators and rudder, I see (looking way back) that some of you fitted the servos into the fuz.
Carsten, I see you did this, but if I fit the Digitech horns so they are at right angles to the hinge line, then either the servo is going to be positioned a long
way from the root rib on the fuz, or if it is parallel to the root rib, which it seems that how Carsten fitted his, then the push rod is going to be at quite an angle to the
horns.

I am using the Digitec horns plus a 3mm ball link at the horn, so does it matter if the direction of push (or pull) when actuating the elevator is out of line with the direction
of the horns, ie the push rod will not be at right angles to the hinge line. Or should I try and fit the servos so the rod is at right angles to the hinge line.

I am using JR 8911 servos.

Regards
To all
Ross

Selleri 06-11-2010 09:12 PM

RE: Another Skymaster Viper
 
1 Attachment(s)
I've flown my Viper few times and this has to be one of the better planes I've flown so far. [8D]
Had a great day today and can't wait to fly it some more! :D

Carsten Groen 06-12-2010 12:55 AM

RE: Another Skymaster Viper
 
@Sverrir: That looks very Nice :D

@Ross: I don't think there will be a problem with the angle, when looking at mine there is not much of an angle to it, it is so little that I didnøt even think about it when I mounted it, and it works ok. Also, there isn't that much deflection on the elevator anyway
I mounted the servos in the fuselage as I thought that was the easiest, lots of room for the servos, and no need to connect/disconnect cables when assembling. I know you will have to connect the pushrods, but it's easier to see if a mechanical link is going bad than a solder joint in a connector

PaulD 06-12-2010 10:11 AM

RE: Another Skymaster Viper
 


ORIGINAL: zl1wn

Elevator Servos and rods
Hi all,
I am up to installing the servos into the elevators and rudder, I see (looking way back) that some of you fitted the servos into the fuz.
Carsten, I see you did this, but if I fit the Digitech horns so they are at right angles to the hinge line, then either the servo is going to be positioned a long
way from the root rib on the fuz, or if it is parallel to the root rib, which it seems that how Carsten fitted his, then the push rod is going to be at quite an angle to the
horns.

I am using the Digitec horns plus a 3mm ball link at the horn, so does it matter if the direction of push (or pull) when actuating the elevator is out of line with the direction
of the horns, ie the push rod will not be at right angles to the hinge line. Or should I try and fit the servos so the rod is at right angles to the hinge line.

I am using JR 8911 servos.

Regards
To all
Ross
I put my servos in the stabs. I had to engineer my own plywood tray for the rudder servo and mounted blocks of 1/4 ply between formers in the horiz stabs for the servos to screw into. I did use the Digitec horns and was able to get everything to line up. I did have to do a fair amount of fiddling to get this right had to put filler pieces in the surfaces to support the horns in some places as there wasn't enough balsa installed.

I am planning to transport the plane with the stabs installed as I don't like disconnecting either electrical or linkages. Wish me luck.[&:]

PaulD

pilot tw 06-14-2010 09:13 PM

RE: Another Skymaster Viper
 
1 Attachment(s)
Hi, all

here is picture for some customer asked this new color scheme of Viper jet Large & 2M...;)

Best regards

Anton

schroedm 06-15-2010 03:53 AM

RE: Another Skymaster Viper
 
That's actually pretty darn cool! ;)

zl1wn 06-21-2010 12:06 AM

RE: Another Skymaster Viper
 
Information Please.

I am working on my Viperjet and hasve a couple of questions:

I will attach the Elevators permanently to the fuz, But I am not happy with the idea of using the A/H screw into the aluminium tag, especially as the head of the screw is very obvious.
What have others done to permanently attach the elevators.
Similarly for the fin and rudder, I will mount this permanently, I thought of gluing the front and rear rods where they go into the fuz
Comments please..

I am considering using the fuel units that Digitech have made to fit into the fuelling points that the fullsize has on the wings, (just outboard from the fuz), my concern about using these is,
as they are quite large they will stand out against the paint on the wings.
Has anyone used the Digitech fuelling units and if so how do they look when mounted on the wing stubs.

Regards to all
Ross

digitech 06-21-2010 12:14 AM

RE: Another Skymaster Viper
 
1 Attachment(s)
they cover exactly the panel line that is on your fuselage

zl1wn 06-21-2010 12:47 AM

RE: Another Skymaster Viper
 
Thanks Sandor,
Yes I realise they go where the panel lines are, but did you recess them into the fuz, so they are not so obvious, and did you paint them?

By the way the carbon horns are tremendous thanks, I have used 2 on each flying surface, with a ball link between.

Thanks
Ross

digitech 06-21-2010 01:09 AM

RE: Another Skymaster Viper
 

ORIGINAL: zl1wn

Thanks Sandor,
Yes I realise they go where the panel lines are, but did you recess them into the fuz, so they are not so obvious, and did you paint them?

By the way the carbon horns are tremendous thanks, I have used 2 on each flying surface, with a ball link between.

Thanks
Ross
no we didnt they just are boulted on top.
you cant really countersink them , but on the big viper it actualy doesnt look bad at all

muzzgail 06-29-2010 10:16 AM

RE: Another Skymaster Viper
 
Just fitting the bypass and got a question. The pipe fits inside the end of the bypass right? It doesn't go over the outside does it as it seems to fit over it quite well.

Regards,

Murray

Duncan 06-29-2010 10:25 AM

RE: Another Skymaster Viper
 
1 Attachment(s)
Hi Murray

Yes the Thrust tube fits over the bypass by about 15mm, i should have some pics somewhere, they are on this thread, but god knows where lol

Duncan

muzzgail 07-01-2010 10:05 AM

RE: Another Skymaster Viper
 
Thanks Duncan. I was worried about the heat from the exhaust burning the bypass.

Murray[8D]

Duncan 07-01-2010 10:14 AM

RE: Another Skymaster Viper
 
No worries

As long as the turbine sits nice and square and the inside of the byass has a few coats of BVM heat shield, then it should be fine. I coat the last 4-5" of the bypass and it seems to do the job

cheers

Duncan

3DAV8R 07-02-2010 10:44 AM

RE: Another Skymaster Viper
 
What size servo arms are you using on the Viper Jet, elev., ail., rudd., steering, etc. Thanks
Steve

muzzgail 07-02-2010 11:25 AM

RE: Another Skymaster Viper
 


ORIGINAL: 3DAV8R

What size servo arms are you using on the Viper Jet, elev., ail., rudd., steering, etc. Thanks
Steve
Hi Steve, I used 1.25" SWB arms and all were too long. 1" would do everything fine. The nose steering is much smaller, a standard size metal that came with my servos is what I used there.

ViperJet1 07-03-2010 10:56 PM

RE: Another Skymaster Viper
 
And heres my maiden!!!!

Flaps got stuck causing a slight teeder to one side but I corrected.
First attempt to land I got it too!!

Sorry about the camera man .....he sux!!!!

http://www.youtube.com/watch?v=YsCGdOeejcE

muzzgail 07-06-2010 08:54 PM

RE: Another Skymaster Viper
 
Nice maiden that, well done. Film was ok too.


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