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>> Home > Tags > graupner

graupner
graupner
aeronaut classic by Tica Lieutenant   Posted: 12 days ago
I have the following setup in my Classic: Graupner BL Compact 260Z 1380KV with a Graupner ESC 18A FWD and REV. The shaft is replaced with a Robbe 4mm (no 1442) as the one provided is a flimsy part that will not withstand the motor set-up. Prop is a 33mm Graupner racing item. It is running on LiPo 2S but if one need a rocket it can run on 3S. Great fun to build and performs great on the water

Proximity (Hall effect) sensor wiring by RNinMunich Fleet Admiral!   Posted: 13 days ago
Absolutely Steve 👍 Alternative is to make a holder for the magnet to prevent it getting knocked off by weeds etc. Also agree that any Failsafe' circuits must have an independent power supply. Place to put the switch, or latching relay, is definitely in place of the little slide switch usually supplied on the ESC. Just checked on some of my ESCs, Graupner and mTroniks, the red lead to the switch is NOT connected to the red lead supplying the RX and servos via the built in BEC. Guess the switch just triggers an FET switch inside the ESC. So the normal 500mA limit of reed switches will be enough. If a latching relay is used make sure the pull-in current is less than 500mA. Have fun All, cheers, Doug 😎 Eric; which sub is your mate building? I have a Type 1A U-Boat dynamic diver, speed and planes only, and a kit for an Akula 2 which will be a static diver, with tank etc.

Graupner 'Commodore' by jbkiwi Commander   Posted: 20 days ago
[Score: 5/10] 30"/1200g Graupner 'Commodore' Capable of 4mph and a runtime of 20mins Twin Propellors (3 Blade 30mm) Powered by NiCad (6v) Batteries Controlled Through 1978 Futaba 18v propo F+R ESC - Comments: Purchased the kit in 1978, while working on Norfolk Island (South Pacific) and built it in 1979. ABS hull, ply deck and balsa and ply cabin. Was a nice model, shouldn't have sold it. Would have been great with modern gear.

Smoke generator by figtree7nts Fleet Admiral!   Posted: 21 days ago
Hi Dick, No I haven't made one! I purchased mine from Harbor Models in the US! You didn't mention how many volts your tug will be! But what about something like this! https://www.cornwallmodelboats.co.uk/acatalog/ style='background-color:yellow;'>graupner_2324.html#SID=253 Cheers, Ed

Fairacre by jbkiwi Commander   Posted: 23 days ago
[Score: 5/10] 31"/1100g Fairacre Capable of 5mph and a runtime of 60mins Single Propellor (2 Blade X Type 35mm) Direct Drive to a Graupner 400 monoperm (2 Blade X Type) Powered by LiPoly (7.4v) 2Amp/h Batteries Controlled Through China (5Amps) ESC - Comments: Fairacre plan built (RCM I think, early 70s) Rescued from rubbish bin on farm, rebuilt hull and f/glassed. restored, varnished and re 'glazed' cabin and added grab rails, mast , lights, curtains (leftovers from a Graupner Commodore I built in the 70s) cleats and boarding platform. Restored the deck and varnished. Fitted new prop shaft and rudder and made name decals. cleaned and painted hull interior.

HMS BRAVE BORDERER by RNinMunich Fleet Admiral!   Posted: 25 days ago
Mornin' JB, Guess I'll have to remain 'agnostic' on this issue for now - I'm still to be convinced. This might explain a phenomenon I've noticed during testing of the Taycol Supermarine I've just renovated for Colin. More on that later in the 'Supermarine resurrection' blog. I'll do some experiments using my digital scope and see if I can trap and measure these elusive spikes for various wire lengths😉 Can't comment on the guy from Castle, don't know them, except to say that I found his comments a bit vague and without explanation. There are also contradictory posts on that link; some say before the ESC some after. Can't really see the point of putting the caps in front of the ESC, switching spikes SHOULD only appear on the output side I'll look at that on the scope, and after all a fuse to protect against fouled prop and jammed motor is standard fit between battery and ESC, or should be! So some wiring extension for that is essential. Also I would expect the battery to flatten any spikes that do appear at the ESC supply side. As you say the internals of several 'manufacturers' ESCs are often the same. Nothing new, branding and badge engineering has been going on for decades for all sorts of things and no RC kit manufacturer / distributor produces his own components. Important factors are; quality of his own assembly and where does he buy his components - originals or cheap copies? 28 ESCs! Wow 😲 and I thought I had a lot! As reported I have so far had good results with the Quicrun series, both brushed and brushless. Next one to test is their Dual Brushed version. Prior to going brushless I used a lot of Graupner ESCs - made in Korea., never managed to blow one of them either, not even the little micro and pico jobs. Thanks for raising this issue - I like a good debate and we can all learn something from it I hope👍 Plus; piquing my curiosity is always dangerous 😁 Greetings to Down Under from 'Up Over', cheers, 😎Doug PS Further thought just struck me (Ouch😡); if this is really a dramatic problem why have I never seen any warnings about it in any ESC instructions? Yes, I'm THAT guy who actually reads the instructions!!

Tarpon hardware help by Gordon-B Petty Officer   Posted: 28 days ago
Looking for more help please. I have settled for the Graupner Speed 600 8.4 Volt (4.8-9.6V) with the Mtroniks TIO Marine 30 Amp ESC driving a 3 blade brass 35mm prop. I need advise on what size of NiMh pack to use and will it be under propped with the 35mm 3 blade?

Steam Whistle! by figtree7nts Fleet Admiral!   Posted: 30 days ago
Hi JBRCfloats, I got the figures for the Brooklyn. From Cornwall Models in the UK! http://www.cornwallmodelboats.co.uk/acatalog/ style='background-color:yellow;'>graupner_crew.html After shipping they come to about $10.00 a piece! I have about 5 on the Brooklyn. I paint their hardhats blue. And leave one figure with white hardhat. As an indicator he's the Captain! Regards, Ed

Loch Ranza by ChrisG Sub-Lieutenant   Posted: 1 month ago
[Score: 8/10] 40" Loch Ranza Capable of 3mph and a runtime of 100mins Geared to a MFA 919D series Powered by Lead Acid (18v) Batteries - Comments: I bought an unfinished Graupner paddle steamer kit which was in a bit of a state and spent many happy hours making her look loved. The hull and paddle wheels were in an acceptable condition but the deck and superstructure left lots to be desired. The previous owner had purchased the motor which was 50.1 geared and pushes the boat along well all other bits including 'smoke' brass portholes and new superstructure added by myself. She was a delight to finish and looks an absolute dream on the water.

A return to the hobby! by J. Barry Chief Petty Officer   Posted: 1 month ago
Colin, thanks for the input; I’m using a Graupner 45mm 2-bladed nylon, which was a recommendation from a local hobby shop.

Bluebird by BOATSHED Fleet Admiral!   Posted: 1 month ago
Hi Biscuit, I have just watched your video's, nice to see more on the water. I see you have also posted pictures of the Graupner Rhode Island F1 tunnel hull. I also have one of these and as yet have not got around to giving it a run. I do not live near any ponds locally where I can be sure I'm allowed to run my models. 16 miles for an electric isn't far I also have IC powered and the nearest for those is almost 40 miles. I get very disheartened with the hobby but still cannot get it out of my vein's. I curious to know where you have fitted wedges under you Rhode island. What's the chance of posting a few pictures of the under side of her to give me some idea as to how you have done this. It would be nice to see so that I could also give it a go so as to make her a little better on her maiden run. Many thanks in advance and kind regards.

Graupner Rhode Island by Biscuit Sub-Lieutenant   Posted: 1 month ago
[Score: 10/10] 34" Graupner Rhode Island Direct Drive to a Graupner 2000 Kv (2 Blade X Type) Powered by LiPoly (11.1v) Batteries Controlled Through Graupner 90 amp (90Amps) ESC - Comments: Lovely outboard boat, had to add some wedges to stop it hooking in the turns, but looks lovely

HMS BRAVE BORDERER by kevinsharpe Sub-Lieutenant   Posted: 1 month ago
Hi Lyle. Note your comments on planing strikes or the hard chine hull. I have a 52" Veron FPB. Powered by two Graupner 900 motors. When she gets up on the plane loads of wash coming over the rear deck. Am I right in thinking that if I fit a strake to each side of the hull at the bottom of the vertical skin and flush with the bottom of it it will assist in planing and keep wash away from the rear deck. If I fit them I intend to flare them towards the bow. Regards Kevin

Pretend deck planking by Peejay Petty Officer   Posted: 1 month ago
Don't know if it is still available, but I downloaded the construction manual for the Graupner Valvdiva, which has a joggled king plank and curved planking which is started on the outer edge of the deck. I haven't tried it yet, but it appears to be a good "how to." Greatest concern for me is bending the planks to the curve of the deck, as they are wider than their thickness.

Pretend deck planking by RNinMunich Fleet Admiral!   Posted: 1 month ago
Not just the planking Steve 👍 Rambling induced through good mood due to enjoying a Gewürztraminer while watching a newly acquired BluRay restored / enhanced version of the Battle of the River Plate. All good stuff chaps! 😉 "Smoke bearing RED 100" ........ G'night all 😁 PS "Number One, fly sht. removal detail to the foredeck, ON THE DOUBLE IF YOU PLEASE!" - "Aye aye Sah" 😁 Can heartily recommend the BluRay version of Battle of the River Plate / Graf Spee, Only criticism, USS Salem is a poor double for the Graf Spee, even considering the excuses worked into the film script. 😉 Attached pic shows my version. Graupner Premium but in need of significant rework in several areas 🤔 Doug 😎