Hummer H1 Build Progress

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First up in this section is the gearbox.

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The brake disc and pads are added to the gearbox.

The pin at the top will be attached to the throttle servo later which will apply the brakes when the throttle is released.

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The gearbox is added to the chassis connecting to the the front and rear drives.

I have also added the fuel tank which is simply held in with two screws.

These are not fully screwed in to make sure the fuel tank can rock slightly.

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The electronics box is now added. This houses the battery box, steering servo and throttle servo.

The steering servo is connected to the steering rod.

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Here you can see how the throttle servo also connects to the brake pin allowing it to both control the flow of fuel into the engine carb (when fitted) and the brakes.

 

Red Bull 7 Engine Progress

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In this post I start to build the engine for my Kyosho Red Bull 7 Formula One car.

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The first part of the engine to add to the crankcase is the crankshaft. This is first given a thin layer of after run oil and then slid into the crankcase.

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I used HPI after run oil which I already had from maintaining my other models. Continue reading Red Bull 7 Engine Progress

First parts of engine have arrived for my Kyosho Red Bull 7 build

The crankcase is the first part of the GX21 Nitro engine which will power my Red Bull 7 model. The GX21 is a 2 stroke engine capable of producing about 1.8bhp.

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The crankcase currently contains the carburetor attaching screw and two ball bearings.

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With the next batch of parts I get the crankshaft piston, cylinder head and rear engine plate.

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Hummer build progress

I have fitted the front differential, arms and gear reduction hubs.

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I have temporarily fitted the wheels and placed the body to see what it looks like so far.

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Hummer H1 Body

I finally got started on my 1:8 Kyosho Hummer H1 Subscription.

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At the moment I have ignored that actual components of the car itself and worked on the body.

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Making the side frames

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Pegs are useful for holding the part in place whilst the plastic cement sets.

 

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The frame is now ready for the panels to be attached.

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Panels attached and ready for painting.

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I started by spraying some mist coats

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I decided to paint the Hummer the classic yellow they are often seen in.

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Side view

 

Fitted 3Racing oil filled shocks to my tt01

You may have seen a long time ago I made a post with a load of blue aluminium upgrades for my tt01 car. Well I completely forgot about the oil filled shocks shown in that post and have just got round to building them and installing them.

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The process for building the 3Racing shocks is pretty standard to any others I have built and the parts were of good quality.

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Even the spring was easy to fit which can be a right pain going by the ones I built for the Red Bull car.

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These only took a few minutes to build. I think I spent longer waiting for the bubbles in the oil to disappear than anything else. They replace the standard friction dampers you get in most Tamiya kits.

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Locking the rear differential on my tt01

One of the most important things to do when setting a car up for drifting is to lock the rear diff.

There are many mods around the internet detailing different ways of doing this (using glue etc) bit I decided to just buy a replacement part to do the job.

IMG_20140413_210305646This is a single part made to replace the differential gears in a tt01 forcing the wheels to spin at the same speed.

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The differential gears are removed…

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… and replaced with the part locking the differential.

 

New Work Rims and Drift Tyres for tt01 / Silvia coppermix

Recently I have been doing some work on my tt01 to finish upgrading and repair it.

Here I have brought some work rims and fitted HPI super drift tyres to them to give the wheels a more customised look than the Tamiya ones that came with the model.

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Fitting the tyres to rims is easier said than done. You can heat up the tyres in a saucepan to make them soft enough to snap right on but I have not been brave enough to attempt that yet.

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I use a screw driver to work my way round the wheel fitting it into the tyre a bit at a time.IMG_20140420_183742629_HDR

The wheels come with a sticker sheet but at the moment I think they look better as they are without the stickers.

You can see the real wheels here

Red Bull 7 Progress

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I have fitted the rear wheel hubs and dog bones to the car.

The rear wing has also been fitted although this is the display wing. A separate (more durable?) wing is provided for driving around with.

Some More Adventurous Quadcopter Flying (H107CHD)

Another flight with my H107CHD quadcopter.

This time it was sunny with a slight breeze.

I have continued to get used to flying this quadcopter with faster flying more turns and low altitude flight.