Ed-Zulu Posted August 18, 2016 Share I'm advising one of the Ds with a science project a.t.m. He has to build a catapult that can throw a golf ball 25 metres and demonstrate the scientific principles behind it. His idea is to shoot the golf ball out of the school quad and half way up Devils peak! Luckily, for safety reasons, it can only be a maximum of 300 x 300 x 600 mm. I'll post more as his project progresses. A trebochet, I'm all ears and eyes! the nerd 1 Link to comment Share on other sites More sharing options...
Captain Fastbastard Mayhem Posted August 18, 2016 Share Interesting, along the coast here it has to be kiln dried CCA, so don't have the moisture problem. But yes, you need to finely select your stocksame as the stuff we get at builders and Airton timbers... very well dried and stored. Link to comment Share on other sites More sharing options...
DJR Posted August 18, 2016 Share A trebochet, I'm all ears and eyes!That is what he wanted to build at first....after he saw a U-Tube clip of someone that built one big enough to chuck a car engine block across the rugby field. Ed-Zulu 1 Link to comment Share on other sites More sharing options...
Ed-Zulu Posted August 18, 2016 Share That is what he wanted to build at first....after he saw a U-Tube clip of someone that built one big enough to chuck a car engine block across the rugby field. Ahh, youthful exuberance Link to comment Share on other sites More sharing options...
Plentipotential Posted August 18, 2016 Share has anyone made a desk out of palette wood and willing to share ideas or pics? I want to make one for our study / spare room I was all for building a roll top desk until I found an Imbuia desk from the 1950's with raised panel front and sides for R 4000.00 in perfect condition. Captain Fastbastard Mayhem 1 Link to comment Share on other sites More sharing options...
Plentipotential Posted August 18, 2016 Share Speaking of which. Anyone want to make an offer. Solid Pink Beech, French limed cabinets. PM me for more photo's details. Was offered R 2000.00 by a dealer! Two display units. Cocktail cabinet and TV unit. Link to comment Share on other sites More sharing options...
Pants Boy Posted August 19, 2016 Share Thanks V12, I've actually got some yellowwood on my shelf Should be enough for this small job ... I just love making a nice joint, even if it is in pine. Here's two of 14 I made this morning Still need to sand the flats before final assembly. Gandalf, Spoke101, Ed-Zulu and 6 others 9 Link to comment Share on other sites More sharing options...
Eddy Gordo Posted August 19, 2016 Share Thanks V12, I've actually got some yellowwood on my shelf Should be enough for this small job ... I just love making a nice joint, even if it is in pine. Here's two of 14 I made this morning Still need to sand the flats before final assembly. Dovetails.jpegThats awesome. How did you cut them out?The patience behind dovetails is something else. Link to comment Share on other sites More sharing options...
MTBeer Posted August 19, 2016 Share looking for a good orbital sander to sand internally exposed roof trusses - removing varnish and painting white. Any suggestion on brands? Doing whole house so will be a lot of sanding. Link to comment Share on other sites More sharing options...
Eddy Gordo Posted August 19, 2016 Share What about using an electric plane? dev null 1 Link to comment Share on other sites More sharing options...
V12man Posted August 19, 2016 Share looking for a good orbital sander to sand internally exposed roof trusses - removing varnish and painting white. Any suggestion on brands? Doing whole house so will be a lot of sanding.Angle grinder with a flexible disk - I (my worker) once sanded the underside of a wooden floor and varnished that - about 160m2 of it.... and it's the only tool that works at a reasonable speed, although you have to pay attention or it creates ridges quickly. And don't forget a good mask and eye protection - working overhead is a b..stard. Ed-Zulu, porqui and Grebel 3 Link to comment Share on other sites More sharing options...
Ed-Zulu Posted August 19, 2016 Share V12 is spot on...it's also lighter and easier to handle over long periods and much more cost effective. You should go the rental route on the orbital sander, something with variable speed is always a winner. Edited August 19, 2016 by Ed-Zulu Link to comment Share on other sites More sharing options...
MTBeer Posted August 19, 2016 Share What about using an electric plane?too high up - 8m ceiling in my lounge. Too much finicky work for a plane. Link to comment Share on other sites More sharing options...
MTBeer Posted August 19, 2016 Share V12 is spot on...it's also lighter and easier to handle over long periods and much more cost effective. You should go the rental route on the orbital sander, something with variable speed is always a winner.it's a big house with a shed load of sanding, so will probably have cost more by the end of the job to rent. Ed-Zulu 1 Link to comment Share on other sites More sharing options...
V12man Posted August 19, 2016 Share V12 is spot on...it's also lighter and easier to handle over long periods and much more cost effective. You should go the rental route on the orbital sander, something with variable speed is always a winner.Easiest would be to wash the varnish with washing soda (pick and pay) - this is different to sugar soap - and prime with oil based primer then paint - why sand it a beyond a light scratch for adhesion?.... Link to comment Share on other sites More sharing options...
MTBeer Posted August 19, 2016 Share Angle grinder with a flexible disk - I (my worker) once sanded the underside of a wooden floor and varnished that - about 160m2 of it.... and it's the only tool that works at a reasonable speed, although you have to pay attention or it creates ridges quickly. And don't forget a good mask and eye protection - working overhead is a b..stard.will hire one and give it a try. Link to comment Share on other sites More sharing options...
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