Car setup 1:5
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Intro

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With the following lines we would like to give you a small guide concerning chassis adjustments. We assume that you don’t belong to the experts and you don’t want to become one either. But we want to give you some little hints which can be of advantage driving on the streets or parking places and which can help you having even more fun driving our models. The most important thing before you run your model on the streets or race tracks is following:

Tires

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Check the adhesion of the tires, they must be glued on the wheel everywhere. If you recognize bad glued spots, please glue them once again. Rear tires belong on the rear axle and front tires on the front axle. Many, nearly too many tires are offered in the model market. This is the reason why we can’t respond to a certain type of tire. Tires are available in various rubber kinds and in different shore hardnesses. Thermo rubber reacts very strongly to heat. This means that this types of tire achieve their grip through heating after a few rounds driving. Using heating blankets (Item FG 7420) these tires achieve their working temperature without driving. Thermo rubber tires are mostly used on the rear axle. Standard rubber doesn’t react so strongly to temperature differences and are therefore only suited for the front axle. The lower the shore hardness the softer the tire mixture, this is the reason why we recommend to choose tires with a low shore hardness if the outdoor temperature is low. FG models have a neutral chassis adjustment as a standard fitting. This adjustment gives the model a good directional stability as well as a slight  understeering in the curves. Understeering means the vehicle has less grip on the front axle and drifts to the outside in the curves f. e. through harder front tires. In principle we can say the main share of the driving quality of a model car depends on the fitted tires.

Axle Adjustments

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Rear drive models always tend to oversteer, therefore the rear axle should show a slight toe-in which improves the directional stability above all while speeding up in the curves. Models which seem to be sluggish while steering into the curves can become a little more lively through less toe-in at the rear axle.

Camber

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Front and rear tires heat up quicker and therefore become faster grip if the upper side of the wheels are set slightly to the inside. Through displacement of the centrifugal forces in curves you also become a better tire support having a negative king pin angle.
 

Stabilisator

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D.m.v.. een stabilisator kun je er voor zorgen dat je auto minder gaat overhellen in de bochten. Dit wil zeggen dat bij het inveren van één wiel de stabilisator druk van dat wiel verplaatst naar het andere wiel en tevens naar de andere as als deze gemonteerd is. Dus een stabi. achter resulteert in meer druk op de voorwielen (meer stuur) en minder grip op de achterwielen. Een stabi voor geeft meer druk op de achterwielen, maar neemt grip (stuur) weg. Conclusie: stabies geven minder grip maar voorkomen het overhellen van de auto.

Bodemspeling

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De rijhoogte van een auto moet zo laag mogelijk zijn, zonder dat het chassis het wegdek raakt. Dit moet ook weer niet te laag zijn, want bij de 1:5 auto's komt ongeveer 80% van de koeling van de motor vanaf de onderkant van het chassis. Denk erom dat de speling voor altijd lager(ongeveer 2-3mm) is dan achter. Dit is in te stellen met de begrenzingschroeven op de draagarmen. Bij de 1:5 modellen is de basis ongeveer 10-12mm speling voor en 12-14mm achter. Tip. D.m.v.. plaatsing van kleine stukjes benzineslang om de schokbrekerassen kun je er ook voor zorgen dat de schokbrekers niet verder in veren dan jij wilt.

Shock Absorbers

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A better accomodation of the model to the track is possible through changing of the damper springs. Each wheel should get enough wheel pressure in order to have an optimal grip. The more pressure on the spring the more grip, of course only up to a certain limit. The nodding between speeding up and slowing down as well as the heeling in curves can be held within an optimal scope through our damper springs. FG offers a various number of damper springs/sets in order to make these adjustments exactly. As you can imagine the adjustments can differ on the several race tracks and parking places. We hope we were able to help you a little with these set-up tips for you to enjoy driving our models in no time. Now all you need is some skill and talent, and maybe in some months time or years you could possibly become a National Champion. Apart from that we wish you good luck driving on parking places or beyond the racing tracks.

Front Axle

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Through adjustments on front and rear axle as well as on the shock absorbers the driving performance can be improved further and can also be tuned to the driver individually. Front axle: Our front axles offer various adjusting opportunities and in all versions they result in about the same. A front axle with toe-in causes a very spontaneous initial guidance in curves, a stronger heating of the tires and a higher tire abrasion. A front axle with toe-out causes a slight understeering in curves, less heating of the tires and less abrasion. Toe-in and toe-out can be altered through twisting the track rods M6. You can also change the driving qualities through the trailing effect of the front axle. A higher trailing effect causes a better directional stability. A lower trailing effect makes the model nervous in it’s directional stability and in the curves the model becomes a tendency to oversteer. The trailing effect of the front axle can be changed through pressing the upper wishbones back and the lower wishbones forward (more trailing effect). If you wish less trailing effect press the upper wishbones forwards and the lower wishbones backwards. An uncomplicated and fast adjustment of the trailing effect you achieve
in connection with our adjusting clips Item FG 7100.

Negative King Pin Angle

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Front and rear tires heat up quicker and therefore become faster grip if the upper side of the wheels are set slightly to the inside. Through displacement of the centrifugal forces in curves you also become a better tire support having a negative king pin angle.