# Pedro

## Lifting Bridge part 3

Bridge Part 2 Part 3    Lifting Bridge. 3. 3.4.5 Calculating the total transmission ratio The multiplier transmission in figure 23 is composed of two transmission reactions, each one with a transmission ratio of 3:1. If we combine both the ratio is multiplied and the final ratio is 9:1. In […]

## Lifting Bridge part 2

Bridge Part 2 Part 3        Lifting Bridge.   3.2.5 Cut the following pieces from the 250 x 70 x 5 mm piece of plywood. 1 piece of 110 x 70 x 5 mm 1 piece of 60 x 70 x 5 mm 2 pieces of 10 x […]

## Lifting Bridge

Bridge Part 2 Part 3   Lifting Bridge. Posted on April  14th, 2009 by     Note: Once finished, models shouldn’t be used as toys in the commercial sense of the word. They are an educational tool, suitable for the classroom   1.) Technical Information  Activities to be undertaken  Interpretation of […]

## Helicopter Assembly Details 3

Thermoelectric helicopter Part 1 Part 2 Part 3      Helicopter Assembly Details 3   6.6 Final assembly 6.6.1 Fix the radiator and its cell in place in the cabin, leaving a 40mm gap between the cell and the base support of the candle. To do this place an object […]

## Helicopter Assembly Details 2

Thermoelectric helicopter Part 1 Part 2 Part 3      Helicopter Assembly Details   6.3 Preparation of the undercarriage 6.3.1 Get 4 pieces of 130mm (1i) and 2 pieces of 110mm (1k) from two rods (1). Polish 6.3.2 Bend one of the ends of the 130mm rods at an angle, […]

## helicopter assembly

Thermoelectric helicopter Part 1 Part 2 Part 3      Helicopter Assembly Details   1. Technical information Type: Functional model to be constructed Use: Construct in a workshop, for students of 12 and above 2. Elements used Radiator: Material: aluminium (non-magnetic, smooth) Treatment: Cut, file and polish Attachment: Stick together […]

## Thermoelectric helicopter with siren

Thermoelectric helicopter Part 1 Part 2 Part 3   Thermoelectric helicopter with siren!.       Note: Once finished, models shouldn’t be used as toys in the commercial sense of the word. They are an educational tool, suitable for the classroom   Does the idea of checking if a propeller is […]

## Php Delete

Php Listing Modify Delete     Deleting a record in a Mysql database.   The object we wished to sell has been sold and it’s time to delete the announcement so that people stop calling us. To do this we have to undertake three tasks. 1st Delete the record from […]

## php Modify

Php Listing Modify Delete     Making changes to data in Mysql. Posted on June  14th, 2009 by Technology Department  We’ve already put out mobile phone number in the announcement but we haven’t heard anything. None has rung and none has sent an email. Perhaps it’s too expensive? I have […]

## php Listing

Php Listing Modify Delete     The presentation of lists with the results of the adverts. Posted on June  14th, 2009 by Technology Department  It’s now time to show the results of the announcement placed by our students and by users in general. Let’s suppose that we want to show […]