Hudson Carpentry
Established Member
For them that saw my sketch up thread which had a helicar drawing for a school project, i thought you may like to see the outcome.
The boy is 8.
The brief was to invent a new vehicle that solves a problem. The model can be made of anything with no size limitations. Big mistake where im concerned.
We decided that a car that can fly like a helicopter would solve waiting in traffic.
Here is the sketch up again.
We hand loads of plans, using car parts to make working lights and moving blades. We also wanted it to steer but family let us down big time and didn't have time get the parts and make it all work.
First we made the front wheel.
We used 18mm ply laminated to make 2x 36mm boards that will hold a caravan jockey wheel. It was assembled using M10 threaded bar, washers and nuts. The wheel was designed to fit onto a 20mm axle, so for it to work correctly i turned some oak down to 20mm and drilled a 10mm down the centre.
We then used MDF (as thats what i had laying around) to make the two propellers.
We routed the ends over and cut a taper to try get close to what they look like. I then used the SCMS to create half lap joints for the 2 blades to meet.
We then set about the rare wheel assembly.
We used some softwood i had spare to joint two pieces together to make a centre support of the rare axle. We made a small dado down the centre on both planks so the bar would sit in nicely. Finished off with 2 pieces of joist to attach the assembly to the cars base. You can see one of the oak bushes in the picture where the boy is putting the wheel on.
We then set about cutting and assembling the cars body.
We used 2x2 to create some more strengh in the structure as just screwing the 18mm ply into 18mm ply ends wouldn't stand to long with 20 kids jumping in and out. We routed out some flutes on the front panel to be a grill & attached the door on with a piano hinge.
As the car was only just short of getting out of standard doors and a little over 1.5m in length we needed a way for some of the parts to disassemble.
So after making the tale with some laminated ply we used a sliding dovetail to enable the rear assemblely to be removed.
The socket was made from some softwood and re-enforced with screws down the sides.
We now turned out attention to the top blades and how to enable them be removed and operated from inside the cab.
We cam up with a prop. Using some 2x2 we cut a tennon one end and turned the other end round. Drilled a hole in the top the side of the round part of the prop an cut a mortise in the blades to accept the tenon on the prop. this enabled the assembley to lift out of the top to get it through doors, plus while in the cab you could turn the blades using the prop.
More to come (at my max file uploads)
The boy is 8.
The brief was to invent a new vehicle that solves a problem. The model can be made of anything with no size limitations. Big mistake where im concerned.
We decided that a car that can fly like a helicopter would solve waiting in traffic.
Here is the sketch up again.
We hand loads of plans, using car parts to make working lights and moving blades. We also wanted it to steer but family let us down big time and didn't have time get the parts and make it all work.
First we made the front wheel.
We used 18mm ply laminated to make 2x 36mm boards that will hold a caravan jockey wheel. It was assembled using M10 threaded bar, washers and nuts. The wheel was designed to fit onto a 20mm axle, so for it to work correctly i turned some oak down to 20mm and drilled a 10mm down the centre.
We then used MDF (as thats what i had laying around) to make the two propellers.
We routed the ends over and cut a taper to try get close to what they look like. I then used the SCMS to create half lap joints for the 2 blades to meet.
We then set about the rare wheel assembly.
We used some softwood i had spare to joint two pieces together to make a centre support of the rare axle. We made a small dado down the centre on both planks so the bar would sit in nicely. Finished off with 2 pieces of joist to attach the assembly to the cars base. You can see one of the oak bushes in the picture where the boy is putting the wheel on.
We then set about cutting and assembling the cars body.
We used 2x2 to create some more strengh in the structure as just screwing the 18mm ply into 18mm ply ends wouldn't stand to long with 20 kids jumping in and out. We routed out some flutes on the front panel to be a grill & attached the door on with a piano hinge.
As the car was only just short of getting out of standard doors and a little over 1.5m in length we needed a way for some of the parts to disassemble.
So after making the tale with some laminated ply we used a sliding dovetail to enable the rear assemblely to be removed.
The socket was made from some softwood and re-enforced with screws down the sides.
We now turned out attention to the top blades and how to enable them be removed and operated from inside the cab.
We cam up with a prop. Using some 2x2 we cut a tennon one end and turned the other end round. Drilled a hole in the top the side of the round part of the prop an cut a mortise in the blades to accept the tenon on the prop. this enabled the assembley to lift out of the top to get it through doors, plus while in the cab you could turn the blades using the prop.
More to come (at my max file uploads)
