Register

If this is your first visit, please click the Sign Up now button to begin the process of creating your account so you can begin posting on our forums! The Sign Up process will only take up about a minute of two of your time.

Page 5 of 9 FirstFirst ... 34567 ... LastLast
Results 101 to 125 of 212

  1. #101
    WimB's Avatar
    Join Date
    Dec 2008
    Location
    Oosterzele, , BELGIUM
    Posts
    289
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    I have severals of them in use as well, they're good, but they do have some slop in them... not an issue on most planes though...

    W.
    Graupner MC 32 Hott, SM F-15/Jetcat P120 SX, AD Scorpion/G-Booster 160+, Skymaster F-14 under assembly....

  2. #102
    WimB's Avatar
    Join Date
    Dec 2008
    Location
    Oosterzele, , BELGIUM
    Posts
    289
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    some more progress today... continued replacing the airlines, on the front doors this time. also replaced the lines on the canopy ram and locks, and made up a servo platform for the valve. with a slowed servo, this system works perfectly, no need for a sequencer...

    Click image for larger version. 

Name:	DSC_0108 (Medium).JPG 
Views:	142 
Size:	134.0 KB 
ID:	2020354Click image for larger version. 

Name:	DSC_0109 (Medium).JPG 
Views:	119 
Size:	165.0 KB 
ID:	2020355Click image for larger version. 

Name:	DSC_0110 (Medium).JPG 
Views:	160 
Size:	133.0 KB 
ID:	2020356Click image for larger version. 

Name:	DSC_0111 (Medium).JPG 
Views:	135 
Size:	114.9 KB 
ID:	2020357Click image for larger version. 

Name:	DSC_0113 (Medium).JPG 
Views:	149 
Size:	121.7 KB 
ID:	2020358
    Graupner MC 32 Hott, SM F-15/Jetcat P120 SX, AD Scorpion/G-Booster 160+, Skymaster F-14 under assembly....

  3. #103
    WimB's Avatar
    Join Date
    Dec 2008
    Location
    Oosterzele, , BELGIUM
    Posts
    289
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    here's a video on the operation of the canopy. the servo is slowed to 1 sec for opening, and 3 sec for closing. this allows the canopy to close before the locks close. no sequencer needed here....





    W.
    Last edited by WimB; 08-06-2014 at 03:22 AM.
    Graupner MC 32 Hott, SM F-15/Jetcat P120 SX, AD Scorpion/G-Booster 160+, Skymaster F-14 under assembly....

  4. #104

    Join Date
    Jul 2008
    Location
    Perth, AUSTRALIA
    Posts
    253
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Canopy is looking good. Nice mounting job on the valve. The airlines are run the same as I intend. Using Dreamworks airline and festo T's
    Murray
    Carf Ultra Flash, SM F-14, TF GS Corsair, TF GS P47, Boomerang Sprint

  5. #105
    WimB's Avatar
    Join Date
    Dec 2008
    Location
    Oosterzele, , BELGIUM
    Posts
    289
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    I use the Original Festo lines, suppose the Dreamworks lines are just as good!

    W.
    Graupner MC 32 Hott, SM F-15/Jetcat P120 SX, AD Scorpion/G-Booster 160+, Skymaster F-14 under assembly....

  6. #106
    mick15's Avatar
    Join Date
    Apr 2002
    Location
    Essex, UNITED KINGDOM
    Posts
    1,793
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Wim, I have just installed my elevon servos and after the experience of the first model here's what I did. The wood is too soft to accept self tappers so I fitted 3mm bolts and used the right angle servo brackets as captive nuts. I'm in the process of converting my landing gear to hydraulic, I can post some pics if you don't mind me hijacking your thread lol.

    m

    ps you know the canopy is quick release with two hatch latches? See you at Jetpower?

  7. #107
    WimB's Avatar
    Join Date
    Dec 2008
    Location
    Oosterzele, , BELGIUM
    Posts
    289
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Mick,

    did you trace the problem to the elevon servo's? curious on the hydraulic conversion, please do give us pics about that!!

    yes, I knew about the canopy, makes it easy to remove...

    Don't know about Jetpower yet...

    Wim
    Graupner MC 32 Hott, SM F-15/Jetcat P120 SX, AD Scorpion/G-Booster 160+, Skymaster F-14 under assembly....

  8. #108
    Alex48's Avatar
    Join Date
    Aug 2006
    Location
    , UNITED KINGDOM
    Posts
    1,528
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Using Futaba servos I had to pack the mounts considerably allowing me to use good quality ply for the self tappers.

    Thanks for for the video Wim, mine didn't work very well when I tried to sequence the canopy that way. I can see it works well on yours so I'll try again

    Thanks for the probe kit order

  9. #109
    mick15's Avatar
    Join Date
    Apr 2002
    Location
    Essex, UNITED KINGDOM
    Posts
    1,793
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Picture 1 shows the accumulator in it's position to operate the pump control micro switch.
    2 is the top side, pump five way distribution valve and tank.

    The cylinders have been modified to take 4mm Festos.

    m
    Attached Thumbnails Attached Thumbnails Click image for larger version. 

Name:	RIMG0049.JPG 
Views:	121 
Size:	86.1 KB 
ID:	2020881   Click image for larger version. 

Name:	RIMG0050.JPG 
Views:	107 
Size:	85.0 KB 
ID:	2020882   Click image for larger version. 

Name:	RIMG0051.JPG 
Views:	145 
Size:	84.4 KB 
ID:	2020883   Click image for larger version. 

Name:	RIMG0052.JPG 
Views:	105 
Size:	83.8 KB 
ID:	2020884  

  10. #110
    FenderBean's Avatar
    Join Date
    Feb 2006
    Location
    Clarksville , TN
    Posts
    4,047
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    mick15 the top stuff makes sense but what is the accumulator for?
    Global Jet Club Team Pilot
    Contest Director AMA # 8394
    Avanti XXL, Skymaster F-14
    FEJ F-15
    46% Ultimate Bi-Plane
    Avant Mostro Nitro 90
    Futaba 18MZ
    https://www.youtube.com/channel/UCE_...BAxA8bHVCw3VQQ
    https://www.facebook.com/FenderbeanRCBuilds

  11. #111
    mick15's Avatar
    Join Date
    Apr 2002
    Location
    Essex, UNITED KINGDOM
    Posts
    1,793
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    . Double post

  12. #112
    mick15's Avatar
    Join Date
    Apr 2002
    Location
    Essex, UNITED KINGDOM
    Posts
    1,793
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    All self respecting hydraulic systems have an accumulator to maintain a residual pressure, having said that, the accumulator rod switches the pump circuit off when a predetermined pressure is achieved. Therefore adjusting the value of the spring fitted to the air side of the piston determines the switch off pressure of the entire system. Example, my A10 has no mechanical locks the model "sits" on oil pressure when at rest and requires no up lock when flying.

    I can see the F14 gear functioning in this manor.

    m

  13. #113
    FenderBean's Avatar
    Join Date
    Feb 2006
    Location
    Clarksville , TN
    Posts
    4,047
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Okay so your using the accumulator to hold pressure on the system once the gear is down. I was wondering about this the other day, gives me something to ponder, still not understanding your setup but its just me not understanding it
    Global Jet Club Team Pilot
    Contest Director AMA # 8394
    Avanti XXL, Skymaster F-14
    FEJ F-15
    46% Ultimate Bi-Plane
    Avant Mostro Nitro 90
    Futaba 18MZ
    https://www.youtube.com/channel/UCE_...BAxA8bHVCw3VQQ
    https://www.facebook.com/FenderbeanRCBuilds

  14. #114
    gunradd's Avatar
    Join Date
    Aug 2008
    Location
    Springhill, FL
    Posts
    1,345
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Mick nice hyd system Cant wait to see a video with it in action.

    Fender all the full scale planes I have worked on all had accumulators. It will smooth out everything when you say put the gear up or down. Accumulators store energy and also smooth out the system so the pump is not cycling on and off constantly.

  15. #115
    FenderBean's Avatar
    Join Date
    Feb 2006
    Location
    Clarksville , TN
    Posts
    4,047
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Gotcha, so if your valve was 3 position could u no go to the mid position that cuts off the lines to prevent pressure dropping
    Global Jet Club Team Pilot
    Contest Director AMA # 8394
    Avanti XXL, Skymaster F-14
    FEJ F-15
    46% Ultimate Bi-Plane
    Avant Mostro Nitro 90
    Futaba 18MZ
    https://www.youtube.com/channel/UCE_...BAxA8bHVCw3VQQ
    https://www.facebook.com/FenderbeanRCBuilds

  16. #116
    mick15's Avatar
    Join Date
    Apr 2002
    Location
    Essex, UNITED KINGDOM
    Posts
    1,793
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    No the pressure is held by a non return valve on the exhaust side of the pump. The grey item in pic 3.

    m

  17. #117
    FenderBean's Avatar
    Join Date
    Feb 2006
    Location
    Clarksville , TN
    Posts
    4,047
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    ahhh okay so a one-way valve, now that I think about it I remember seeing the one-way in a video using this system. Sorry accumulator is simple there to take the brunt of holding the locks? learning a new system is always fun, thanks for the info.
    Global Jet Club Team Pilot
    Contest Director AMA # 8394
    Avanti XXL, Skymaster F-14
    FEJ F-15
    46% Ultimate Bi-Plane
    Avant Mostro Nitro 90
    Futaba 18MZ
    https://www.youtube.com/channel/UCE_...BAxA8bHVCw3VQQ
    https://www.facebook.com/FenderbeanRCBuilds

  18. #118

    Join Date
    Feb 2010
    Location
    RobinaQLD, AUSTRALIA
    Posts
    110
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Following this with interest. Ordered my F-14 a couple of weeks ago... the long wait begins!
    Cheers,
    Colin

    CARF Ultra Flash, CARF Tucano, Skymaster Large Hawk, 2.5 Futura, CARF Spark (Turbine), Elan
    CARF Pits Python, CARF 2.3 Extra
    Building: CARF P-47, Skymaster Viper 2.6, Skymaster F-14, CARF Mig-15

  19. #119
    invertmast's Avatar
    Join Date
    Dec 2003
    Location
    North Port, Fl
    Posts
    6,914
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Interestingly enough, the full scale F14 had no hydraulic accumulators to save weight, along with replacing all hard lines with titanium. This also proved to be the reason the #1 prototype crashed bc of the pressure pulses of the hydraulic pumps work hardening and eventually causing a hard line to fail. The fix was to add more adel clamps to hold the hydraulic lines to the airframe.
    Thomas W.
    Euro-sport Evo, Scratch built 1/7 F-14D Tomcat, 26.5% Gee Bee R2

  20. #120
    WimB's Avatar
    Join Date
    Dec 2008
    Location
    Oosterzele, , BELGIUM
    Posts
    289
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Mick,

    in your opinion, is it neccesary to go hydraulic on this plane? on the mains, do you go hyd on both the main piston and the locks? or are the locks still pneumatic?



    Wim



    Quote Originally Posted by mick15 View Post
    Picture 1 shows the accumulator in it's position to operate the pump control micro switch.
    2 is the top side, pump five way distribution valve and tank.

    The cylinders have been modified to take 4mm Festos.

    m
    Graupner MC 32 Hott, SM F-15/Jetcat P120 SX, AD Scorpion/G-Booster 160+, Skymaster F-14 under assembly....

  21. #121
    mick15's Avatar
    Join Date
    Apr 2002
    Location
    Essex, UNITED KINGDOM
    Posts
    1,793
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    I don't think necessary is the right word but from my point of view it's desirable because over time I've had more success with oil than with air. The locks work in conjunction with the main cylinders so will be oil. The doors will still be pneumatic.
    Plus, if you get a leak you can easily find it (seldom happens) plus you get at lease 30 cycles from one battery charge, you don't see many models doing "gear passes" folks are generally relieved if the gear works once lol.

    m
    Last edited by mick15; 08-12-2014 at 01:21 AM.

  22. #122
    DrScoles's Avatar
    Join Date
    Sep 2002
    Location
    Sammamish, WA,
    Posts
    1,333
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Got an email from John this morning, my F-14 is getting ready to ship… :-)

  23. #123

    Join Date
    Jul 2008
    Location
    Perth, AUSTRALIA
    Posts
    253
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Good stuff. Hope you get it soon. They are huge!
    Murray
    Carf Ultra Flash, SM F-14, TF GS Corsair, TF GS P47, Boomerang Sprint

  24. #124
    WimB's Avatar
    Join Date
    Dec 2008
    Location
    Oosterzele, , BELGIUM
    Posts
    289
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    little vid of my installation of the tailhook.........I'll post pics on how I've done it, and more importantly on how the unit is attached to the fuse later...needs a little fine-tuning to go up a little higher.....

    Wim
    Last edited by WimB; 08-27-2014 at 06:44 AM.
    Graupner MC 32 Hott, SM F-15/Jetcat P120 SX, AD Scorpion/G-Booster 160+, Skymaster F-14 under assembly....

  25. #125
    WimB's Avatar
    Join Date
    Dec 2008
    Location
    Oosterzele, , BELGIUM
    Posts
    289
    Gallery
    My Gallery
    Models
    My Models
    Ratings
    My Feedback
    Graupner MC 32 Hott, SM F-15/Jetcat P120 SX, AD Scorpion/G-Booster 160+, Skymaster F-14 under assembly....


Page 5 of 9 FirstFirst ... 34567 ... LastLast

Posting Permissions

  • You may not post new threads
  • You may not post replies
  • You may not post attachments
  • You may not edit your posts
  •  
All times are GMT -6. The time now is 11:37 PM.

SEO by vBSEO 3.6.1 ©2011, Crawlability, Inc.