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>> Home > Tags > graupner

Sea Commander Ocean yacht by Trillium Commander   Posted: 8 days ago
Garth, no doubt that Graupner make excellent products but CAD$35 + shipping is a stretch. Especially when you can make up a double universal for CAD$10 with two of these. I've been using these for several years now. Roy

Sea Commander Ocean yacht by RNinMunich Fleet Admiral!   Posted: 8 days ago
Hi Garth, looking good👍 Graupner flex couplings ARE still available, cost €24 - https://www. style='background-color:yellow;'> Cheers Doug 😎

Motor installation by GARTH Commander   Posted: 8 days ago
I had some 12 volt motor out of Black & Decker drills so I will use one I find that if motor isn't installed early it becomes very difficult to mount motors in a completed hull .Line up to shaft & couplings . the other thing is I us a Graupner flex coupling . They work great only problem they are no long available any where .

Propulsion Hegi Revell Fairplay V tug model by Radiosailor Sub-Lieutenant   Posted: 8 days ago
I just recieved a big package today containing the remains and the hull of this Fairplay V. The included paperwork included a A3 sized scan of the original plan. But this plan only shows partnumbers instead of measurements. Indicated on these original plans are a 60mm diameter propellor, and the Marx Monoperm Super Special (what a name!) with reduction 3:1 in it. A choice which seems undersized to me compared to the (same era & comparable size) Bugsier Tug from Graupner which has a Decaperm. For the moment I tend to go for this 12V low Rpm Xdrive 555. It has 25Nm of torque and doesn't need reduction. And combined to a Raboesch propshaft - which one can easily shorten - will help to get the driveline as far aft as possible in the boat, leaving more room for a bigger battery.(Or have the possibility to trim the boat with the battery and have the battery as deep as possible in the boat.) I'll check these mentioned forums too, thank you for the advise.

Propulsion Hegi Revell Fairplay V tug model by Radiosailor Sub-Lieutenant   Posted: 8 days ago
That's the sort of information is was looking for! Thank you very much! I have three motors from which I would like to choose one for the Fairplay V tug (30" long, 9" wide, about 3 Kgs displacement): -Graupner Speed 500E 12V / 12.000Rpm / 0.4A -Monoperm Super 6V / 5.000Rpm, / 0.20A -Motraxx XDRIVE 555-1 12V / 5.900Rpm / 0.25A (The 500E would be run on 6V) I have a Robbe Rookie Navy speedcontroller (6-12V) max 35 A. And haven't bought a (lead)battery yet. Which one would be best?

Fairmile D - MGB623 and MTB741 by reilly4 Lieutenant   Posted: 8 days ago
Both Fairmile D boats 1/24 scale and are scratch built. They have both been about 6 years in operation. MGB623 is an MGB, flying the Norwegian flag and belongs to a good friend. Mine is MTB741. It is powered by 2 Graupner Speed 700 12V motors with NiMH batteries. The 6 pdrs and 20mm guns can rotate. It has a balsa planked hull and fibreglass skin. Decks and superstructure are also balsa. Guns are from tinplate and brass.

PROBOAT WESTWARD 18 by Radiosailor Sub-Lieutenant   Posted: 12 days ago
Yes, it should. I do not know the Proboat Westward 18 in detail, but have gained quite some experience on many other sailing models. I do own a Micro Magic, which rig can be fully tuned to perfection. The Graupner downhaul for instance can also be bought seperatly.(and could be a good upgrade to the vang on your boat.) This pic shows one - altough the boom has been mounted upside down.

Graupner Rubin by Radiosailor Sub-Lieutenant   Posted: 12 days ago
[Score: 5/10] 43" Graupner Rubin - Comments: This is one of my two Graupner Rubin yachts. The Rubin is - to me - the all time queen of RC semi scale yachts. Detailed, impressive dimensions, fast, very rare and barely affordable. When new I wasn't able to pay for such a model, but as one gets older... Anyway, after finishing some others my attention will go to these two. Why having two of the same models? They are very rare, and I was just in the opportunity to buy another. The first one - shown here - needs a thorough rebuild, and the second one is an almost untouched new model!

Robbe Sirius RS32 by Radiosailor Sub-Lieutenant   Posted: 12 days ago
[Score: 5/10] 36"/2300g Robbe Sirius RS32 - Comments: I bought this kit as a ARTS kit, but immidiately threw out the 40Mhz transmitter, keel and supplied stays. I updated her with a 2.4Ghz Spekrtum transmitter, gave het 0.1mm x 19 new stays(standing rigging) and equipped her with a deeper keel in carbon with a hightech - like an modern TP52 yacht - shaped lead torpedo. Stockmaritime had some upgrading parts available at the time I build her. I also replaced the steel rod connecting the rudderlinkage to the sero by a carbon rod. Te only upgrade which still has to be carried out is replacing all the aluminium spars for EXEL cruise 8 carbon spars. All modifications help to increase uprting moment and upwind performance. The boat really sails very good, altough the mainsaillead could benefit from a upgrade as well. (it has jsut a bit too much resistance and the material has a too small diameter resulting in extra wear on the mainsheet.) This sailboat is the the fith sailing boat I build, after starting with an overhaul on a friend's vintage Robbe Skandia yacht.(which got me hooked on RC sailing) After that rebuild I've build the Comtesse(Robbe), Seawind(Kyosho), MicroMagic(Graupner) and then this yacht. Since this build my collection of sailing models grew with addition of a Saudade (Hegi/Revell), Diana (vintage M-class by Robbe), two Rubins (semi scale admirals cup yacht from Graupner) and a Robbe Skandia for myself...

Graupner Brushless Speed 300KV by RNinMunich Fleet Admiral!   Posted: 14 days ago
Hi Haig, No sweat I had downloaded these specs direct from the Graupner site when looking for some motors for my Sea Scout and others. Cheers Doug 😎

Graupner Brushless Speed 300KV by reilly4 Lieutenant   Posted: 14 days ago
Hi Doug, Thanks for those. Much appreciated. The specs in the box did not include the last two columns. I have 2 of the BB version. Regards Haig

Graupner Brushless Speed 300KV by RNinMunich Fleet Admiral!   Posted: 14 days ago
Hi reilly, 850W, 40A @ 11.1V. For the BB version. 1680W, 60A @ 14.8V for the ECO (?) version. Specs of all Speed Brushless attached. Cheers Doug 😎

Graupner Brushless Speed 300KV by reilly4 Lieutenant   Posted: 14 days ago
The rather new Graupner Brushless Speed series motors don't have any Amp ratings or Watts in their specifications. Has anyone had any experience with these motors. I am interested in Amps and Watts of these motors, so i can obtain the correct ESCs. Thanks

Bugsier 3 by liamduck Chief Petty Officer   Posted: 14 days ago
[Score: 8/10] Capable of 12mph Single Propellor (3 Blade) Direct Drive Powered by Lead Acid (12v) Batteries Controlled Through Action ESC - Comments: My third build. Built from a kit by Graupner.

How do I find out the voltoge of my motor without it burning out by Dave M Fleet Admiral!   Posted: 15 days ago
Hi Chris I know of no easy way for you to determine the voltage. However motors do have a coil resistance value measured across the terminals. Also if you can see the coil windings a thick wire usually indicates a motor designed for high speed and current. A thinner wire may produce a motor with lower speed and less current and more tork. If you check the Graupner and look at the windings this may help you identify the other two. In my experience it's usually too low a voltage that's the problem resulting in slow revs and little if any tork. At the other end of the scale too high a voltage will result in very high revs and lots of sparks from the brushes. In this case if you continue to apply the volts you will damage the motor. Many electric drills were powered by motors rated at 9v and did indeed have an impeller cooling fan. That said Mabuchi and Johnson produced a vast range of motors all looking similar on the outside but wired very differently inside depending on the ultimate use. I suggest you try with progressively higher voltages and assess which is best for the two unknowns. Finally most motors are designed to work over a range of voltages so I usually measure both the upper and lower values so I can select the right motor for a particular model.