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Ripmax Xcalibur Sports jet

Old 01-11-2015, 09:51 AM
  #1101  
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I had my Xcalibur out today too. During charge time yesterday I happened to plug in the GSU (rare thing with my JetCat's) and noted the Xcalibur was on flight 98! Nine and a half months old that's quite a few flights for one of my airframes, I have a fleet to chose from and end up flying other peoples models so much.
The turbine was showing 106 runs, knowing how many factory runs it had when I installed it and the couple of runs I had done without flying I knew exactly where is was. Only maintenance was a starter O ring change just before Xmas as it started to slip slightly, guess that was around run 101. Airframe has had nothing, gear too. Its been a perfect airframe for difficult sites, conditions and quick field assy sessions.

Few pixs of flight 100

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Old 01-11-2015, 10:56 AM
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As DW said I had my first flights with my RAF Xcalibur today, firstly a big thank you to Dave for all his help, its good to get another pair of eyes to check it over. I had added lead but after Daves test flight I/we removed it and it was fine CG around 175 mm. Gotta say what a great jet, it was quite breezy today 15-20mph but it handled it great. This is a no fuss, turn up and fly jet, low stress but aerobatic, fast, slow what ever you fancy. My landings were more like spot landings, due to the strong breeze, very efficient flap and I have about 5 mm Crow it would virtually stop and land on the spot, no sign of a stall, great.
For me the kit went together really well, as said make sure you tighten all undercarriage screws, mine were loose but all loctite up now, I went round all the joints in Fuz with Hysol then sprayed the inside grey, No other issues at all, just wanna get some more flying done and enjoy it.
Dave Bugz
Old 01-11-2015, 12:04 PM
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I will be over next Sat Dave with mine hope its a nice day too..
Old 01-11-2015, 01:20 PM
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Lets hope so! Weather guessers got today wrong :-)
Old 01-11-2015, 01:35 PM
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Paul yes it was a great day, bit chilly but we were all wrapped up so not a problem. Really enjoyed the Xcalibur great short strip jet that's bags of fun.
Dave
Old 01-11-2015, 02:28 PM
  #1106  
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If the wind is with the boat we might have Blue Angel and Thunderbirds Xcalibur's by then!
Old 01-11-2015, 02:37 PM
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Cant wait!!
Old 01-11-2015, 11:32 PM
  #1108  
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Get your dad's built...
Old 01-13-2015, 07:25 AM
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Can I ask what colour thread lock is best used on the undercarriage and are there any screws I should avoid using it on?
Old 01-13-2015, 10:23 AM
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I use bleu on the smaller screw/bolt so it can be undone if requires......red on the bigger stuff.

if you apply red properly on the small screw......they will be very hard to impossible to removed if requires!
Old 01-13-2015, 11:28 AM
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Nev make sure you check the wheels and the retract unit, any screw that's part of it. I think my bottle is red but the fluid is blue.
Old 01-13-2015, 12:13 PM
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Originally Posted by Nev01
Can I ask what colour thread lock is best used on the undercarriage and are there any screws I should avoid using it on?
Blue

I used ZAP 42 on all screws. You hardly need anything, a dot the diameter of the thread is about right

Dave
Old 01-13-2015, 10:38 PM
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Ok, blue thread lock it is. Thanks for the advice.

Nev.
Old 01-15-2015, 09:25 AM
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I've read a number of posts referring to the application of grease onto the wheel brakes. Having no experience of retracts, let alone retracts with wheel brakes, can someone please elaborate on how you go about this procedure with the Xcalibur retracts. The last thing I want to do is start taking screws out and the wheels exploding like a wrist watch .

Thanks in advance, Nev.
Old 01-15-2015, 10:13 AM
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Undo the centre screw in the wheel three turns, place the screw head on the bench and push down on the wheel/tyre and the wheel will come off the axle. Take the screw completely out. There is no preloaded spring!
The inside of the wheel where the brake lining acts, the lightest smear of grease/vaseline on this face (its just to stop the brake locking/grabbing) Put the wheel back on, small amount of loctite on the centre screw, make sure the washer is still there and nip up.
Job done

Dave

Last edited by Dave Wilshere; 01-15-2015 at 12:06 PM.
Old 01-15-2015, 11:49 AM
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That's great, thank you Dave.

Nev.
Old 01-15-2015, 02:09 PM
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Pick up my kit today very much much nicer then the Navy Cat I have for a 124mm EDF.

Quick look at the whole kit, nice retract check a couple screw it seem they now put locktite on them....I will still take it all apart...the rudder servo still have a large opening? Not sure why it hasn't been corrected? But still an easy fix, now I just need to finish the basement Reno to actually have a shop again....
Old 01-17-2015, 08:52 AM
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This is my second build but would like to see install pics for kingtech 100. Did anyone sand down the former near the starter motor so that they can get the turbune in as forward as possible ?

The k100 is longer than the p100 so the cone sticks out farther
comments ??

also had anyone added smoke system. I will be using electron retracts so I can add smoke tank above the main tank
just need to make a mount so that the weight is not on the main tank

thanks
Izzy
Old 01-17-2015, 11:53 AM
  #1119  
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Mr Bugz had his RAF scheme Xcalibur out again today, we had snow when arriving at the field, this made the ground soggy, but the P-100Rx powered it off the ground with space to spare.

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Last edited by Dave Wilshere; 01-17-2015 at 11:56 AM.
Old 01-17-2015, 12:50 PM
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Dave great photos thanks, it really is a pleasure to fly, even flew in the snow earlier on then the sun came out and blue sky. Let Roland have a twiddle of the sticks, might have another one in the club soon. I used up all my kero, had to blag a tank full off Roland, I did let him have a go.
Old 01-17-2015, 06:17 PM
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Hi izzy
have a look at the photo's in post 972, K100.
Greg
Old 01-17-2015, 08:05 PM
  #1122  
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just finished my Xcalibur will be maiden it on Monday! cg at 170-175 like dave, this was a fun built!! I am ready now to built my Ultra flash!! lol
Old 01-18-2015, 01:18 AM
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SNOW!!!!!!! You can call me "soft" but my thumbs won't work if its below 10*C. I take my hat off to you. Anyway, how much deflection of the elevator (mm) are you running for full flap ?
cheers,
Rick

Last edited by Ricko1; 01-18-2015 at 02:26 AM. Reason: correcting grammar
Old 01-18-2015, 02:44 AM
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Hi all,

I have a question or two regarding the Jets Munt VT80. I am seriously thinking about purchasing one of these to go into an Xcalibur. I have read that some people have already installed these to their Xcaliburs.
I'm just wandering if everyone is happy with this combination. Also I have read in the manual for the VT80 that Digital trims for starting/shutdown are not recommended. I quote from the VT80 manual,

"If you use a TX with digital trims, is essential to use the switch in the TX programmed for the function "Throttle cut", or “engine cut” which normally has the effect of producing the “trim-down” function. Using a digital trim cause unstable idle, and excessive delay in shutting off the engine in emergency.
Check your radio manual for this before you start. DO NOT use the digital trim in any case.
"

Is this really a problem to use the digital trim on the radio ? I intend to use a Spektrum DX9 and am curious how everyone else is managing the VT80 in this area with their particular radios.

Thanks in advance to any replies.

Last edited by domf25; 01-18-2015 at 04:33 AM.
Old 01-18-2015, 06:44 AM
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Hi, my xcalibur and VT 80 combo is awesome, loads of power for the verticals. I dont have any problems using my DX9 with the digital trims either. I have a video of mine flying that i still need to upload.

Originally Posted by domf25
Hi all,

I have a question or two regarding the Jets Munt VT80. I am seriously thinking about purchasing one of these to go into an Xcalibur. I have read that some people have already installed these to their Xcaliburs.
I'm just wandering if everyone is happy with this combination. Also I have read in the manual for the VT80 that Digital trims for starting/shutdown are not recommended. I quote from the VT80 manual,

"If you use a TX with digital trims, is essential to use the switch in the TX programmed for the function "Throttle cut", or “engine cut” which normally has the effect of producing the “trim-down” function. Using a digital trim cause unstable idle, and excessive delay in shutting off the engine in emergency.
Check your radio manual for this before you start. DO NOT use the digital trim in any case.
"

Is this really a problem to use the digital trim on the radio ? I intend to use a Spektrum DX9 and am curious how everyone else is managing the VT80 in this area with their particular radios.

Thanks in advance to any replies.
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