ARL58
Silver
Petty Officer 1st Class · 284 pts
28003 Madrid, Spain
Member since Jul 2017
Last online 22 hours ago
Age 68
About
Retired mining engineer. Formerly involved in technical research. Electronics technician. Professional electronics and embedded systems designer and programmer. Not bad designing and soldering PCBs. Amateur modellist. Amateur machinist. Ham radio operator. And, above all, a Tinkerer.
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Ángel RODRÍGUEZ, EA4ME
ARL58’s build blogs
1 blogRecent uploads
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Last posted 3 days ago
Re: John Grantham's Iron Ship Building (5th Ed. 1850's) in PDF form for those interested.For completeness sake, text of this book (although it isn't a top quality scan, I'd say) is available at https://archive.org/details/ironshipbuildin00grangoog/page/n10/mode/2up A pdf copy can be downloaded fro…♥ 3 likesSailing at MadridI will check if somebody has an underwater camera.... In the meanwhile, I managed to clip a couple of videos, so the site was happy with their size.
♥ 7 likes1,030 viewsSailing at MadridI tried to get big videos uploaded one by one, but doesnt't work 😭.♥ 7 likes1,071 viewsSailing at MadridAnd now, some pics and one video of boats in the water... Unfortunately, it seems that a couple of videos are too big for the site. I will try to edit them to reduce "weight". Or post as YouTube links. Weather…
♥ 7 likes956 viewsSailing at MadridAs far as I know, there is no active Model Club in the city of Madrid. But some fellow modellers use to gather on Sunday mornings at a pond in a municipal park. Last Sunday (2024-04-21), we had a pleasant spri…
+2♥ 7 likes12 replies1,269 viewsGuestbookCheers from Madrid! Last Sunday (2024-04-21) we had a pleasant spring day. I went to our local pond to watch some fellow modellers sailing their ships. A Type VII U-Boot, a Guardia Civil Patrol and Rescue Moto…
♥ 16 likes9,790 viewsRe: Sailing at Madrid (Spain)I have to rectify. There is still an active modellers' club at Madrid: Club RC Naval de Madrid. Their webpage is.... not the best I've ever seen, so I will not link it. I will try to find out more next Sunday.…♥ 3 likes2,028 viewsTesting propulsion. Part IV (final): Water trial.Then I moved to freshwater trials. I filled a bucket with water and placed it in the bathtub. The battery was re-installed (again, never use a mains-powered device in a wet place!!!), and the motor started wit…
♥ 12 likes879 viewsTesting propulsion. Part III: testing stuffing box temperature.38 W (see previous post) was the starting power, of course. Energy conservation laws indicate that excess power would go to heat the grease. More than 30 W is a respectable amount of power for a system of smal…
+3♥ 12 likes937 viewsTesting propulsion. Part II: Filling the stuffing box.I then filled with grease the stuffing box (SB). I had some concerns on this operation. Also, some fellow mariners raised similar issues. These were on i) how to purge air when filling with grease and ii) the …
+2♥ 12 likes939 views
♥ 7 likes1,030 viewsSailing at MadridI tried to get big videos uploaded one by one, but doesnt't work 😭.♥ 7 likes1,071 viewsSailing at MadridAnd now, some pics and one video of boats in the water... Unfortunately, it seems that a couple of videos are too big for the site. I will try to edit them to reduce "weight". Or post as YouTube links. Weather…♥ 7 likes956 viewsSailing at MadridAs far as I know, there is no active Model Club in the city of Madrid. But some fellow modellers use to gather on Sunday mornings at a pond in a municipal park. Last Sunday (2024-04-21), we had a pleasant spri…+2♥ 7 likes12 replies1,269 viewsGuestbookCheers from Madrid! Last Sunday (2024-04-21) we had a pleasant spring day. I went to our local pond to watch some fellow modellers sailing their ships. A Type VII U-Boot, a Guardia Civil Patrol and Rescue Moto…♥ 16 likes9,790 viewsRe: Sailing at Madrid (Spain)I have to rectify. There is still an active modellers' club at Madrid: Club RC Naval de Madrid. Their webpage is.... not the best I've ever seen, so I will not link it. I will try to find out more next Sunday.…♥ 3 likes2,028 viewsTesting propulsion. Part IV (final): Water trial.Then I moved to freshwater trials. I filled a bucket with water and placed it in the bathtub. The battery was re-installed (again, never use a mains-powered device in a wet place!!!), and the motor started wit…♥ 12 likes879 viewsTesting propulsion. Part III: testing stuffing box temperature.38 W (see previous post) was the starting power, of course. Energy conservation laws indicate that excess power would go to heat the grease. More than 30 W is a respectable amount of power for a system of smal…+3♥ 12 likes937 viewsTesting propulsion. Part II: Filling the stuffing box.I then filled with grease the stuffing box (SB). I had some concerns on this operation. Also, some fellow mariners raised similar issues. These were on i) how to purge air when filling with grease and ii) the …+2♥ 12 likes939 views