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Ripmax Xcalibur Sports jet

Old 03-18-2015, 03:28 AM
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Booked holiday in June as it will not cost me as much as seeing you at the heli nats
Old 03-18-2015, 08:08 AM
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Noooo you need to buy and spend more than normal...
Old 03-19-2015, 10:39 AM
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Another Xcalibur (TB scheme) came in today for check over and test run. He's going to maiden this weekend.

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Old 03-20-2015, 10:15 AM
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Hi Dave,
thank you for nice evening last tuesday evening, it's been nice having met you in person. I did not have any doubts, but now we know in person each other I must happily say that - like all of us in this forum - you've have a deep huge passion in what you do as an hobby and for business too, that is building and then flying rc models, jet and not only!

I'm very happy and proud of our friendship.

...Sure, I should stop travelling so often there to UK for business and give little more time to my Xcalibur building, but, you know the story, business is business....no business...no Jet-A1...no Xcalibur

...even my Xcalibur will fly sooner or after

Thank you again!
Denis

Last edited by DenisFerrari; 03-20-2015 at 10:18 AM.
Old 03-20-2015, 12:53 PM
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Denis

You are right, speak soon!

Dave
Old 03-23-2015, 12:38 AM
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The TB Xcalibur we test ran the P-100Rx in last week was test flown yesterday at the Aylesbury Mode Flying Club, another Xcalibur pilot joins the party
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Old 03-23-2015, 06:53 AM
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I need some help with my plumbing! (Fuel tube sizes to be specific!)

The components
  • Stock tank (4mm Brass tubes with the 5/32 Dubro Barbs)
  • Dave’s High flow vent and Large Felt Clunk
  • GBR CAT (medium)
  • Then 4mm (OD) on the pump input

I’m okay with everything on the ‘Pressure’ side – its 4mm SMC Clear Tubing. Where I’m unsure is on the ‘Suction’ side (I seem to have different size barbs on all the components).

So, i'm assuming 1/8 (ID) Tygon for the clunk tube and the same for the tank to vent.
From the tank, I need to get on to 5.7MM (OD) barbs on the CAT – Large Tygon 3/16 (ID) fits the CAT but I worried it may be a little on the large size for the Tank outlet (4.7mm - what do you think..?)

Out of the CAT I then need to get from Large Tygon to 4mm SMC - how do i do that?

Thanks in anticipation!
Old 03-23-2015, 10:27 AM
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We all use the MAP standard Bubble trap and that has 4.2mm od nipples with 5mm o/d barb sections We can then use 1/8 tygon or 4mm i/d 6mm clear.
If using that size of CAT you might need to increase the tank tube size. Or BVM/SMC 4/6 might go over those and work on the 5/32 barb

Dave
Old 03-24-2015, 10:01 AM
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Originally Posted by Dave Wilshere
We all use the MAP standard Bubble trap and that has 4.2mm od nipples with 5mm o/d barb sections We can then use 1/8 tygon or 4mm i/d 6mm clear.
If using that size of CAT you might need to increase the tank tube size. Or BVM/SMC 4/6 might go over those and work on the 5/32 barb

Dave
Thanks Dave - I don't think the 4/6SMC is going to fit the CAT Barbs (even when warm/hot) - I'm going to make life easy and get a MAP Bubble trap!
Old 03-24-2015, 10:05 AM
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Its easier to fit in the Xcalibur too!

Dave
Old 03-24-2015, 01:49 PM
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Originally Posted by Dave Wilshere
Another Xcalibur (TB scheme) came in today for check over and test run. He's going to maiden this weekend.

dave , how many oz. tanks do they come with? WB_1
Old 03-24-2015, 01:53 PM
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Around 100oz

Dave
Old 03-24-2015, 01:55 PM
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awesome. i'm thinking about pulling the trigger on the BA colors one. i'm little concerned about visibility though.
Old 03-26-2015, 09:18 PM
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A belated thanks to Dave Wilshere for his kind invitation to join him and other members of the JMA for a day at Long Marston last Sunday, I had a great day and the weather was just about perfect. Cheers to Dave, John, Geoff and others for there help and advice and I look forward to doing it all again sometime soon (JMA membership application form printed). Now all I have to do is get my Xcalibur finished and pass my B test.

Nev.

Last edited by Nev01; 03-26-2015 at 10:26 PM.
Old 03-29-2015, 12:40 AM
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Is anyone using HK electric retracts on the Xcalibur?
if so, which set?

This set looks almost identical to Airpower RA-250 but in electric (and fair price):
http://www.hobbyking.com/hobbyking/s...Size_1pc_.html

thanks.

Last edited by i3dm; 03-29-2015 at 12:49 AM.
Old 03-30-2015, 04:31 AM
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So what tool(s) / techniques are folks using to drill the holes for the Air/Brake lines in the wheel wells..? I have a right-angle Dremel attachment and that's too big. I did read further back in this thread to use a hot piece of piano wire and burn a hole but I don't fancy that idea.

So what's the secret, what am I missing??
Old 03-30-2015, 04:39 AM
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Following Dave suggestion, piano wire, bend 90 deg. then heat it very well and touch the point where you would like the hole. Do it few times and be patient. In my case it's been great.

Just after that, small round file to make the little hole larger unitl big enough like for the tube and that's it (y)

Hope it helps
Old 03-30-2015, 04:55 AM
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Originally Posted by DenisFerrari
Following Dave suggestion, piano wire, bend 90 deg. then heat it very well and touch the point where you would like the hole. Do it few times and be patient. In my case it's been great.

Just after that, small round file to make the little hole larger unitl big enough like for the tube and that's it (y)

Hope it helps
Thanks Denis, so the ‘hot wire’ has worked okay for you! Does it leave any burn marks or is it pretty clean?
Old 03-30-2015, 05:14 AM
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I've done several and they are pretty clean

Dave
Old 03-30-2015, 05:28 AM
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Originally Posted by Fly Mower
Thanks Denis, so the ‘hot wire’ has worked okay for you! Does it leave any burn marks or is it pretty clean?
Only small area around, but as soon as you enlarge the hole with small round file, it takes away "brown area" around
Old 03-30-2015, 06:42 AM
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Thanks Denis & Dave - I'll give it a go! Don't have any other options really
Old 03-30-2015, 06:59 AM
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...or you can bring the fuse to your family dentist and let it do the "surgery"...but not very practical..nor cost effective

Denis


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Old 03-30-2015, 12:18 PM
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They look OK, but you would have to cut a hole in the wing and stub roots, as the leg retracts AWAY from the unit. Also, the leg hole is 11mm, whereas most oleos for this jet are 1/2 inch or 12.7mm.


Originally Posted by i3dm
Is anyone using HK electric retracts on the Xcalibur?
if so, which set?

This set looks almost identical to Airpower RA-250 but in electric (and fair price):
http://www.hobbyking.com/hobbyking/s...Size_1pc_.html



thanks.
Old 03-30-2015, 12:24 PM
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Ha ha!

Originally Posted by DenisFerrari
...or you can bring the fuse to your family dentist and let it do the "surgery"...but not very practical..nor cost effective

Denis



Last edited by Aussie1; 03-30-2015 at 07:24 PM.
Old 03-30-2015, 12:45 PM
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Originally Posted by Aussie1
They look OK, but you would have to cut a hole in the wing and stub roots, as the leg retracts AWAY from the unit. Also, the leg hole is 11mm, whereas most oleos for this jet are 1/2 inch or 12.7mm.
im thinking that if they are direct copies of RA-250, the trunion just might be reversible.

maabe these are better?
http://www.hobbyking.com/hobbyking/store/__50216__Turnigy_90_Degree_All_Metal_Servoless_Out ward_Operating_Retract_Unit_180_Size_1pc_.html

Last edited by i3dm; 03-30-2015 at 12:54 PM.

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