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  1. #501

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    RE: Skygate Hawk - build (virtual manual)


    Kudo's to MarcS and Ray, the aeroplane looks really nice!
    Are you planning to do some weathering Ali?

    Regards,

    Remco45

  2. #502
    Ali's Avatar
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    RE: Skygate Hawk - build (virtual manual)

    Hi Remco,
    No this one is staying super shiny. I have no intention or interest in scale competitions with it, so it will stay just as a nice pretty toy to enjoy
    Regards Al
    Al's Hobbies, Horizon Hobby, Airworld, BVM, Jet Cat, Skymaster, FEJ, Rc Jet Centre,pull over, Tomahawk, C-ARF, Jet-Teng,Kingtech

  3. #503
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    RE: Skygate Hawk - build (virtual manual)


    ORIGINAL: Ali

    Hi Remco,
    No this one is staying super shiny. I have no intention or interest in scale competitions with it, so it will stay just as a nice pretty toy to enjoy
    Regards Al

    Until someone says "Oh, I gotta have that!!!" and slaps down some serious coin for it.

  4. #504
    David Gladwin's Avatar
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    RE: Skygate Hawk - build (virtual manual)

    One of the final jobs on my Hawk has been installing the intakes as per Marc's kit. On P12 of this thread he shows the intake retaining system using lite ply formers in the intakes and fuselage. There is a much easier and lighter way and now its finished I know it works. I made the locating pegs which are glued into the fuselage mouldings from CF tube. I cut these off short enough so that when the stubs go into the intake moulding they stop short of the forward face of the moulding by about 1 mm. Using Hysol I glued blind nuts to the "tabs" inside the intake moulding, socket head bolts go through the CF tubes from the fuselage side and pull the fuselage and intake moulding together. A couple of "tabs: in each moulding were a little flexible so I supported them with two small ply triangles either side of the blind nuts. The result is a firm location of the intakes but easily removeable.

    May save you guys some time, and a little weight.

    On another matter, the large tank. Has anyone flown it as I have some concern about fuel "sloshing" in such a large tank as there are no baffles ?

    Regards,

    David.

  5. #505

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    RE: Skygate Hawk - build (virtual manual)

    ORIGINAL: David Gladwin

    One of the final jobs on my Hawk has been installing the intakes as per Marc's kit. On P12 of this thread he shows the intake retaining system using lite ply formers in the intakes and fuselage. There is a much easier and lighter way and now its finished I know it works. I made the locating pegs which are glued into the fuselage mouldings from CF tube. I cut these off short enough so that when the stubs go into the intake moulding they stop short of the forward face of the moulding by about 1 mm. Using Hysol I glued blind nuts to the ''tabs'' inside the intake moulding, socket head bolts go through the CF tubes from the fuselage side and pull the fuselage and intake moulding together. A couple of ''tabs: in each moulding were a little flexible so I supported them with two small ply triangles either side of the blind nuts. The result is a firm location of the intakes but easily removeable.

    May save you guys some time, and a little weight.

    On another matter, the large tank. Has anyone flown it as I have some concern about fuel ''sloshing'' in such a large tank as there are no baffles ?

    Regards,

    David.
    David,

    I've put several flights on mine with P-200 power, feeding fuel thru a JMP Accumulator, without issue.

    David S

  6. #506

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    RE: Skygate Hawk - build (virtual manual)

    Hi David,

    My tank is in half again and i'm making up a set of interlocking baffles out of 2mm glass sheet - 2 in both directions, with no glue required.

    Also running the JMP accumulater - nice bit of kit!

    Cheers

  7. #507
    marc s's Avatar
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    RE: Skygate Hawk - build (virtual manual)

    David, good to hear about your duct mounting method, sounds very secure.

    What I found was that M3 blind nuts actually slid into the ends of the small stainless joining pins supplied, so I glued these in place much like you did with the carbon tube on the fuselage side and the intake side with blind nuts suitably located then located and M3 cap heads secured the ducting in place.
    My concern was not having the prongs of the blind nuts fixed into something that was not going to move, hence the lite ply - I guess in your system the blind nuts are mounted with the flat face on the surface of the duct moulding and rely on the Hysol to grip the prongs?

    Be good to see some pictures of the jets, David S and DG ;-)

    JMP is a great device, here is a picture of the prototype of my new series of CAT's, Composite Air Traps, all being fully tested by Olivier shortly and ideal for all sizes of jets as the fittings are fully optimised for maximum flow. The volumes are 90cc, 150cc and the one in the picture is 275cc.
    Transparent so you can see whats going on inside and the ply mounting plate comes included - will be very keenly priced ;-)

    marcs

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  8. #508
    David Gladwin's Avatar
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    RE: Skygate Hawk - build (virtual manual)

    Thanks very much indeed for the fuel tank, sloshing, advice, guys, flight test rules !

    I will post some pics later Marc. but the ducts are finished, blended etc. look great. All of the securing socket head bolts are accessible even without a long hex driver.

    I have been using the PST bubble trap with great success on two PST 1300 powered models. It has large bore fittings, is clear, rigid plastic so has been chosen for my Hawk.

    Hoping to have this machine ready for final painting (19 Sqn, Spitfire colours) before leaving for my northern summer in UK, so on return it can be finished.

    Great thread, RCU at its best

    Regards,

    David.

  9. #509

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    RE: Skygate Hawk - build (virtual manual)

    Marc - another great looking product. May ace the JMP for me being able to see fuel level.

    What is the timing on availability?

    Regards

    Craig

  10. #510
    marc s's Avatar
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    RE: Skygate Hawk - build (virtual manual)

    Look forward to the results and finished article.

    marcs

  11. #511
    marc s's Avatar
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    RE: Skygate Hawk - build (virtual manual)

    Craig,

    The fittings all arrive in the next 10-14 days or so, so should be able to supply early June time.

    The small unit is similar to the small Mapp unit in its volume, the mid range slots in with the normal UAT sizes and the large is for those wanting to run larger hopper volumes and P200 + turbines.

    PM me if you want pricing info.

    marcs


  12. #512

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    RE: Skygate Hawk - build (virtual manual)

    hi ,

    what kind of servos did you use in the hawk?

    regards
    wim

  13. #513

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    RE: Skygate Hawk - build (virtual manual)

    Hey Wim,

    For me the following:

    Rudder: 1 x JR DS8911.
    Elevator: 2 x JR DS6311HV.
    Ailerons: 2 x JR DS8911.
    Nose leg: 1 x JR DS8411.
    Nose Doors: 1 x JR DS8511 on front doors and 1 x JR DS 8411 on small rear door.
    Main Doors: 2 x JR DS8711.

    Are you building a Hawk?

    Cheers Craig



  14. #514
    schroedm's Avatar
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    RE: Skygate Hawk - build (virtual manual)

    Hi Wim,

    For me it was 8711 all round.

    Rgds,
    Mark

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  15. #515

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    RE: Skygate Hawk - build (virtual manual)

    Mark - just had my chute arrive. Nice!

  16. #516
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    RE: Skygate Hawk - build (virtual manual)

    David G any news or info on the flights, be good to have some feedback, maybe even video - assuming that it you have flown and its all positive news

    marcs

  17. #517
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    RE: Skygate Hawk - build (virtual manual)

    No Marc, my Hawk is structurally complete and ready for final paint, ( 19 Sqn colours) (with servo specs similar to Tobba's except I am using JR MP80T brushless servos on ailerons with the 6311HVs operating with 6 volts, buy still masses of power for the stab (remember I have moved the stab pivot point forward). 6301s s on flaps.

    I am moving back to the UK early next year (we have a wonderful life in Australia but imminent arrival of another grandson in UK has tipped the balance) so in the middle of packing up all models (13 jets !) at the moment and will finish the Hawk when I get back to London.

    The tank and ducting install went well and if the big Hawk flies as well as my two Airworld machines I will be delighted.

    It might surprise some to learn that despite being a huge country flying sites suitable for jet ops. are very few and very far between with access to hard runways almost impossible without several hours drive, at least the UK is far better on that score. I flew at my local (1.5 hours drive) grass strip last Sunday but its so rough due to excess rain and drought (we get them both !) its almost unflyable, so runways like Wroughton and Abingdon are VERY appealing. The BobCat gear took a real hammering, but survived.

    I also have some ideas to use contacts in UK to try and get some other runways for regular, say monthly, jet meetings.

    Regards,

    David.

  18. #518

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    RE: Skygate Hawk - build (virtual manual)

    hi,

    thanks for the info but the 8711 has plastic servo arms not in alu

    craig,

    yes but a friend of my is building him



    regards
    wim

  19. #519
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    RE: Skygate Hawk - build (virtual manual)


    ORIGINAL: wimpel

    hi,

    thanks for the info but the 8711 has plastic servo arms not in alu

    regards
    wim
    Erm, put metal arms on it as I did??

  20. #520

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    RE: Skygate Hawk - build (virtual manual)

    marc,

    do you used the arms of carf?

  21. #521
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    RE: Skygate Hawk - build (virtual manual)

    Wim,

    No, but there are plenty of options. SWB Mfg, JR's own metal arm, Secraft etc etc

    I tend to always use the JR's metal arm.

    Cheers
    Mark

  22. #522

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    RE: Skygate Hawk - build (virtual manual)

    but is it an option to take the jr 8811 ? these are standard with metal arms and stronger

    regards

  23. #523
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    RE: Skygate Hawk - build (virtual manual)

    Wim,

    The 8711 is 5kg stronger

    Cheers
    Mark

  24. #524

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    RE: Skygate Hawk - build (virtual manual)

    hi mark,

    then y know enough now thank you verry much

    regards
    wim

  25. #525

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    RE: Skygate Hawk - build (virtual manual)

    Hi Guys,

    Skygate has supplied some lead weight in the kit, looks like its used to balance the horizontal stab. Are you guys using the weights to balance the stab, if yes, do i make a slot in the root leading edge to install the weights.
    Can someone give me the neutral position of the stab.

    Thanks
    Chatty.


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