xeno RX & servos

Hi Guys, I bought the Xeno from Hobby Corner when they came to the Club Meeting and now I need to get the Rx and servos but the question is ..... what to get?
There are so many makes and types on the market it's so confussing for an old codger like me.
Tim said I should go for metal geared servos which makes sense, so, what is the general concensus?
My TX is the Spectrum DX6i

Thanks in advance
Marty

Marty may be worth you picking up RCM&E mag this months (got a yellow pitts bipe plane on the cover) it has a review of the Xeno in it

on that subject rx id use a 6100E, servos im not sure what it needs

M

The SMC site says "4 channel Radio with 2 Tiny MG servos and 5 or 6 channel light receiver " ..... verrrrrry helpfull lol

Hey Marty,

Are you building it as an electric model, or a glider? If electric, I would go for the AR500 receiver, as the space inside the equipment bay is not really that great. You can route the longer aerial out of the bay along the wing, which will improve reception.

If building it as a pure glider, then the AR6110 would work great

As for servos, I have the recommended multiplex servos in mine. They are plenty powerful enough, quick enough, and have very little slop for metal geared servos. There are hitec equivalents that have the same physical size. Whatever you go for, make sure you get the metal geared variety. The control surfaces on the Xeno are quite large, and susceptible to knocks which could easily strip a reisn gearbox....

Oh, and before you fly, get into the habit of double checking the elevon horns. I noticed one of mine had come adrift over the weekend, which would have been messy.

Also, if building the electric version, be careful when routing the various wires, so they don't catch on the rotating outer case of the motor. It is very easy to wear through a wire (ask me how I know!)... whoever designed the model to have a rotating case outrunner, located in the radio bay, must have been a mentalist....

Mine flys nice though, not too quick, but has a vertical climb with the MPX powerset, and glides reasonably flat too. It will make a good slope model I reckon

Andy

The RCM&E shows an AR6110E rx(later version of the AR6100E). Get it here http://www.inwoodmodels.com/product_info.php?cPath=13_109_239&products_id=3282&osCsid=195cdb6bf09c661dae3cff5827181616
RCM&E used 12mm Multiplex MG servos. But have a look here http://www.giantcod.co.uk/epower-digital-metal-geared-micro-servo-p-403798.html
Hope this helps.

Hi and welcome back Very Happy
I suggest the AR500 receiver and a couple of simple mini style servos such as the HS82 ( metal gears ). The one Allan linked too is good nut classes as MICRO - not sure exactly what size the mounting holes are, and if they are "mini" then you will end up fudging something to get them to fit securely. Heres a great VFM mini sized metal geared jobby from the brilliant Giant Cod site
TBH almost any mini sized servo would be OK..... and theres loads to choose from.http://www.giantcod.co.uk/towerpro-mg16r-188g-27kgs-torque-digital-metal-geared-p-402699.html

Multiplex servo's;
Nano Pro MG #65119
Specification:
Nano pro KARBONITE (MG)
Dimensions (LxWxH) 23.5 x 12 x 26 mm
Weight approx. 11 (12) g
Gearbox KARBONITE (Metal)
Ballrace 1
Multi-finger wiper potentiometer yes
Torque @ 4 / 5 cells* 16/20 Ncm
Transit speed for 40° @ 4 / 5 cells* 0.09/0.07 sec
* 4-cell/5-cell NiXX operation ; data recorded at stabilzed 4.8/6.0 V.

Servo Tiny-MG (UNI) #65122
Specification:
Dimensions (LxWxH) 30 x 12 x 30 mm
Weight approx. 17 g (S), 20 g (MG)
Gearbox Plastic / Metal
Torque @ 4/5 cells* 26/30 Ncm
Transit speed for 40° @ 4/5 cells* 0,08/0,06 s
* 4-cell/5-cell NiXX operation ; data recorded at stabilzed 4.8/6.0 V.
I would think it is the second servo that was used as the text in the article refers to a MPX Tiny MG servo.

Allan, I think your right as it does say Tiny MG!
Mark says there is a review on the xeno in this months RCM&E, I'll have to get a copy and see what it says.
Much to peoples horror, I'm not a subscriber!

Just quickly scaned the article and I don't know as it will tell you much more.
By the way, Hitec HS 82MG are £14.5 from Inwoods or Steve Webbs. Almost twice the price of the one's Tim suggested.

I sugested the 6100E as the end pins are easyier for conecting, but as the guys say the 5000 will be fine, and abit cheeper

M

So, mini it is then Marty

yeah Tim, looks like it, lol

AR500 are cracking Rx's!

Apparently the Xeno received a bit of a slating in this months RCME.... Anyone got a copy yet?

Andy

Not so much a slating - but accurately decribed as good for a general sloper in the right conditions. After all Mr money bags Ellison who is used to flying the very top machines available was always going to find the limitations of a simple foam wing. One of the redeemng factors of the Xeno is its portability, and this is very useful for somone who only has a motor bike to transport their models !
Have you got one then Andy...and have you sloped it, and whats your verdict.

I have got one yes, but I aven't sloped it yet. Sunday perhaps?

Off the flat field, with the powerset installed, it climbs briskly, but gets a bit of a flap on if you come downwards too quickly. The glide is okay, but I don't think the small fins give enough yaw stability, and it is a little squirrely in the turns as a result....

The portability does raise a few issues though: 1. the elevon horns are in just the right position to catch each other when folding the wing (I'm not sure, but I think this may have caused the horn to come adrift that I mentioned earlier). 2. Sorting the cabling out is a right pain the rear when reassembling. 3. putting a rotating case outrunner in the equipment bay is just crazy. 4. All that plugging in and unplugging connectors is bound to cause wear and tear, that should be monitored carefully.

Andy

That pretty much sums up the other Andy's comments - I think its probably best left as a simple yet portable sloper for low to medium winds. Perhaps a couple of thin ply "tabs" glued into the wing alongside the elevon horns would stop them colliding with each other when folded?

I did wonder about that. What I'll probably do, is replace the horns with ones that go "through" the elevon, as I am not convinced that the CA bond area is sufficient for such a large surface on a flying wing. The loads that can be invoked in a high speed arcing pass, can be quite substantial (according to my calculations! ) and I would be more comfortable with a through surface control horn that can spread the stresses out a bit more.

Plus, it will give me the opportunity to offset them slightly

I'm going to have to modify my motor pod anyway, to replace the rubbish Carbon driveshaft with a bit stainless or ally tubing. I think I'll move the motor to the other side of the bulkhead at the same time, freeing up some space in the equipment bay, and eliminating the chance of any chafing. I'm not a fan of chafing....

Andy

Chafing fans eh.... I find they soon remove the high spots themselves after a few runs....oo err off topic.

I've had fans that remove the high-spots themselves, and some that remove the longer blades completely......