Jesus Cardin
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Everything posted by Jesus Cardin
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Chris, glad to see I am not the only one who like those "obscure" trainer planes aside of most popular Tiger Moths, Stearmans and Stampes! I got the plans and cockpit for the Bestmann direct from Krick several years ago, although finally I went for the Modellstudio giant ready to cover one I hope to tackle some time soon. I will check your photos, Chris, for if I may have a look at both your Klemm and Bestmann models.
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Old Multiplex radio kit, any value?
Jesus Cardin replied to Don Fry's topic in General Radio Discussion
I think it has its value due to being from a major brand, having some years now and being quite well conserved! On the contrary, I am afraid it is not easily convertible to 2.4Ghz as the trainer system is not based in control signal but on powering on/of from the master transmitter, needing supressing the original electronic boards and converting to Arduino control, aside the preferred 2.4Ghz signal module or board. Anyway surely a superb find for many R/C vintage enthusiasts! -
Thanks to you, Berd, for your consideration! For the Klemm 35 I know of the old Krick classic kit but just like their Bestmann one it is no longer available and very, vry expensive if you are lucky to find any of them. By the way, the Krick Klemm 25 kit is still available and from time to time even a Ready to Cover version may be purchased. Now for the flying session and photos!
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Bern, congratulatios on the conversion! I have been always a fan of trainer aircraft, being my favorite monoplane one the Bucker Bestmann but the Klemm 35 -.rather than the 25- is not far behind. By the way, I think your conversion actually is from a Klemm 35 Spezial to a Klemm 35D. The Klemm 25 is a quite simpler and older airframe. Please, check designations and correct me if I am wrong! Best Regards.
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Timo, you are making an impresive job with the Whirlwind there! Wish you the best with the project. Best Regards,
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Jut one question: Are you keeping with the instruction manual C.G.? I have not read the entire thread but I know well the model from a good friend here in Spain. When he maidened his Hurricane he found it to be too sensitive on elevator just from the take off and, in fact, he damaged the model trying to land it! He asked me to check the manual C.G. and propose other postion if I found it wrong. What I discovered is Seagull C.G. is calculated at 33% MAC, which is common to my own Seagull models (Gipsy Moth and Bucker Jungmeister) and, which for me is too far back for scale models maidens. In my own models I switched to 25% and only the on the sweet Moth I have finnally left it at 28% but seeing your problems with your Hurricanes I strongly suggest trying with a 25% MAC C.G . for your next flights. I do not know if I keep my calculations on the Seagull Hurricane C.G. but I will check and, if so, I will publish them here for your reference.
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Seeing FCC application for the Hitec Flash 14 is from August 2017, I am afraid it was a droped project.
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Alan, see it just the other way: you have lived to see these full 60 years of RCM&E! And I wish you to see new issues for many years more.
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I also own an OS .40 FSR ABC with liner flaked, althought it is a 40 years old engine and passed through 3 Omega model planes (old F3A aerobatic trainer), 2 Embraer Tucanos (semiscale model), a RCM&E Gerald Curd´s Bucker Jungmeister and an a Jack Stafford Ercoupe! So I can´t complain about engine longetivity. I, like "FlyinBrian", also believed that the liner flaking problem was far more recent, from the mid 90´s FX models but it seems clear now that it comes from some years before! Edited By Jesus Cardin on 01/02/2020 20:47:03
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Peel Ply Issues
Jesus Cardin replied to Gary Clark 1's topic in Building from Traditional Kits and Plans
Posted by Alan Gorham_ on 30/01/2020 10:13:40: After I remove the Peel Ply I just rub the "nobbly" finish flat with 60 or 80 grade Ali Oxide paper and then brush on a thick coat of high build primer and start from there. Alan could you, please, explain which high build primer do you apply by brush? I only know of 2 compounds sets intended for professional automotive bodywork and which are for spray painting. I sincerely do not know if they could be applied successfully by brush! Thanks. -
"Dad_flyer" thank you very much for the discovery and the info! It may be I also go for one. I think the occasion well deserves it!
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Congrats, Timo, for the design, the model and the plans being published! You sure deserve it!
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Michael, the 617 is a FASST 7channel receiver and with this modulation B.F/S is only available for channel 3 (as well as for nornal F/S, while other channels keep on last position received, this is in "Hold" mode). For FASST receivers you are not able of programming the B.F/S voltage, so the default 3,8V applies. Sure going the Ni-MH route solves the problem, but go for no less than 1.200-1.500mAh for 4-5 normal servos and no less than 2.000 if your models mount more than 5 units.
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Michael, as you describe the problem it is for sure a Battery Fail Safe activation (no throttle control but normal on the other channels). Default B.F/S voltage in Futaba receivers is 3,8V and in 14SG you ONLY may change that on FASSTest receivers. For changing the B.F/S voltage in FASSTest receivers you have to go to "SYSTEM" menu and just to the right of the "LINK" option you will find the B.F/S value. If you change the default 3,8V value, you will have to link again the receiver to refresh this on the receiver memory. Futaba suggests the following safety voltage values: • 4 cells NiCd or NiMH (Normal: 4.8v) = 3.8 v • 2 cells LiFe (Normal: 6.6 v) = 6.0 - 6.2 v • 2 cells LiPo (Normal: 7.4 v) = 7.2 - 7.4 v Anyway with a BEC there is no logic on programming a B.F/S as the BEC shoud safely power the receiver and servos even after cutting the motor if the power battery goes too low. If you are getting B.F/S from a BEC unit, sure it is short for the power and number of servos you are using in your model. Be careful! Edited By Jesus Cardin on 22/01/2020 16:33:58
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Forum members' new models: Let's see them.
Jesus Cardin replied to Paul Marsh's topic in All Things Model Flying
Thanks to you both sirs, Peter and Tim, for your considerations! -
Forum members' new models: Let's see them.
Jesus Cardin replied to Paul Marsh's topic in All Things Model Flying
Although not purely "new" (it was built by my uncle Pepe Cardin during 2010-2011), I have been tasked lately to overhaul, repair some damages and test fly this Berkley Custom Privateer, also known as McGovern´s Monster. Model is entirely built in wood and covered with white and orange silk. Power is from an AXI brushless outrunner motor and a 6S 5.000mAh Li-Po battery. RC equipment is all Futaba with control from a Fasst T7C. It has no more than 30-35 flights although it has never been flown from water yet. -
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Forum members' new models: Let's see them.
Jesus Cardin replied to Paul Marsh's topic in All Things Model Flying
Saved from the garbage bin some years ago, it is the control line Bravo model, the last of the type produced by the Spanish firm Modelhob during early 90s. The original kit box contained the sheet balsa model together with adhesive decal sheets, glue, a Cipolla 1,5 glow engine, control cables and handle, a small fuel bottle and even a dry cell for glow power. I found it in the garbage bind of the manufacturer when they gave up model kit production some 4-5 years ago. This Bravo model was broken and needed a new elevator as well as an engine plus flying accessories. After restoration, the model was successfully maidened this last June in a C/L meeting in Madrid (Spain). Edited By Jesus Cardin on 12/01/2020 15:11:13 -
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The only ESC I have burned in my life was checking the turning direction of a motor without a propeller and at low speed. It was with a proven set and the ESC smoked at once, without a second to cut! Edited By Jesus Cardin on 08/01/2020 16:21:01
