November 8, 2025

Ronnefalk delivers in Q3 at SIGP

David Ronnefalk has delivered a TQ run at the Sunpadow International Grand Prix, the Xray driver ending Kouki Kato’s reign at the top pf the time sheets as he took the third round ahead of the Japanese driver and his Infinity team-mate Bruno Coelho.  Setting the fastest lap of the round with a 32.725, Ronnefalk would eventually finish a massive 13-seconds up on Kato who, like Ronnefalk the previous round, needed  to be marshalled only in Kato’s case he had double the mistakes on each opposite side of the track.  With drivers reporting track conditions as even more difficult for Q3, Coelho also had two bad laps resulting in him failing to run 15-laps however overall the time still gave him a three for the round.  5-seconds behind the multiple class World Champion, promising future hope Jung Hyunkyu enjoyed his best round result with P4 for the Team Associated teenager ahead of Mayako’s Joseph Quagraine.  Unfortunately for JQ’s lead driver Pekko Iivonen it was another throw away round as he lasted just over 2-minutes before his engine moved.

Reacting to his Round 3 TQ double, the 2024 eBuggy winner also going fastest in eBuggy for the first time, Ronnefalk said, ‘That was the first time I felt I could drive through some of the bumps out there.  Working on the shock package is key on this track and I think we found something that was really good there because both cars were on the same set-up change and improved a lot.  I was able to go mistake free pretty much in both nitro & eBuggy.  Now it feels good again.  I was kind of struggling a little bit with the feeling and not being able to drive the way I wanted to out but now I didn’t change much in my driving, the car was just absorbing the bumps out there a lot better.’  Asked about the changes he made to the shocks, the Swede explained, ‘mainly the piston and the amount of pack and how quick the rebound you want to have for the condition.  I felt I had good grip and support in landings before but they were a little too sensitive over the bumps especially high speed and now I felt maybe I sacrificed a little bit in the landings but they work much better over the bumps and it’s so much more drivable.’  On track condition the former World Champion said, ‘It’s not easy out there, it is getting more & more dusty.  I didn’t know they are not going to fix the holes.  They re-glued the track yesterday and it looks like they are not going to fix the holes until the end of the race so it is definitely going to be tricky this afternoon and come tomorrow it is going to be even more tricky so I need to stay on top of things.’

Suffering his first rough round, Kato said, ‘My car got a little bit nervous in that one and was difficult to drive.  The traction is getting lower so I needed to adjust (his driving) but I didn’t do it enough.’  On his two costly mistakes, the ABC Champion explained, ‘I hit a bump and had a mistake and I also had one on the left side on the back straight which was also a big mistake so it was a tough run.’  On his electric car, having said after Q2 he would change his diff oil, he said while it was a slight improvement he still needs to find more grip.

While a far from perfect run, Coelho was more positive about his nitro buggy this time saying, ‘the car was a bit better, I did some small mistakes, but I think we are on the correct direction now with the set-up details.’  Asked what they had discovered he replied, ‘we changed the wing to one that generates a little bit more stability on the car and we changed also a little the position of the shocks on the front to have more corner speed and less steering and it worked good so we will probably try to go more in that direction.’  Like Kato in nitro, Coelho was unable to seal the early overall eBuggy TQ explaining, ‘Electric was good but I got some traffic.  I got one guy coming out from the infield into the track and I crashed into him and I lost 1 or 2 seconds and basically lost the TQ by 1 or 2-seconds.  Without that it would have been OK.’

Asked how he was doing now, Hyunkyu replied, ‘Not good, I am struggling a lot.’  Despite recording his best run which sees him sitting P4 overall in the latest qualification ranking, the 14-year-old said, ‘It’s pretty terrible out there.  My car was pretty difficult to drive, it is better than yesterday but still we are pretty off the pace to the Top 3 guys.  The shock package is pretty important here so I will a different spring for the next one and see what happens.’  On his own driving he said, ‘I think my driving was so stupid.  Q2 in electric was super nice and I was only 1-second behind Kouki but the nitro I was over excited so I just need to settle down out there.  I need to be more smooth and calm.’

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November 8, 2025

Chassis Focus – Adrian Wicaksono (Team Associated)

Chassis – Team Associated RC8 B4.1
Engine – O.S. Speed B2105
Fuel – Rapicon
Tires – JConcepts Dirtweb 2.0
Radio – Sanwa M17
Servos – Sanwa PGS-XB II
Body – JConepts S15

Notes – Adrian is running ONG brand Shock Caps, Wing Button, and Power Switch.

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November 8, 2025

Chassis Focus – Kouki Kato (Infinity)

Chassis – Infinity IFB8
Engine – O.S. Speed B2105
Fuel – Maxima 25%
Tires – HotRace Sahara
Radio – Sanwa M17S
Servos – Sanwa PGS-XR II
Body – Infinity

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November 7, 2025

Kato takes SIGP Q1 ahead of Ronnefalk & Coelho

Infinity’s Kouki Kato has opened qualifying at the Sunpadow International Grand Prix with a TQ run, the top seed fastest over the 8-minute heat ahead of Xray’s David Ronnefalk and Infinity’s Bruno Coelho.  While Kato TQ run was never in doubt there would be some issues with timing in the top heat as a result of the qualifiers being extended from the traditional 5-minutes to 8-minutes.  With drivers forced to stop for fuel in the qualifier, a number of drivers would not have their laps counted as the came in to pit lane, Coelho, David Ronnefalk, and Jason Nugroho all effected by a problem with the loop under the paved pit lane entry.  While there was some deliberations following the completion of qualifying with buggies being push back & forth over the loop on the main straight and in pit lane, it was finally decided to credit drivers with the missed laps meaning Ronnefalk got his second 3.162 seconds off Kato’s pace with Coelho joining them on 15-lap runs a further 1-second back.  Showing P2 on the timing screen’s at the end of the run, Mayako’s Pekko Iivonen would end up 4th after the corrections with Adrian Wicaksono from Indonesia completing the Top 5.

Reacting to his TQ run Kato said, ‘I was able to make a good run.  I ran a good pace and was consistent.  I think it was a clean race and I had no issues with traffic.’  With the run bringing Friday’s action to a close, the reigning Japanese National Champion, that title defence coming up very soon, said he struggled a little with the fading light adding it was not easy to see in the distance.  In terms of the track conditions, he felt Q1 traction was ‘a little low’.  Heading into Day 2 of qualifying, 4 rounds on the schedule, Kato feels tyres are going to be his focus saying, ‘maybe we need to find a good tyre.  Now I am using the (Hotrace) Sahara but sometimes the Bangkok is better so tomorrow I need to choose the right tyre for the time.’  Asked about eBuggy, him setting the second fastest time behind his team-mate Coelho, the 19-year-old said, ‘I made some mistakes, 3 mistakes for me.  On the last lap I also lost 2-second.  The car is ok so hopefully I will be better tomorrow.’

Pleased his corrected result, Ronnefalk said, ‘Nitro was good.  I had a mistake in pit lane and also some traffic on the first laps and then of course the issue with the loop.’  With his pitman here in Xiamen, Adam Izsay, having given more details on his ‘mistake in pit lane’, highlighting the Swede crashed on the way in and then again on the way out, Ronnefalk laughed and replied, ‘You can mention that’.  Overall the 2016 World Champion said, ‘the speed was very good but I had the mistake with a lapped car on the second lap and the shit in the pit lane, which I need to solve myself for tomorrow.’  On how the track is evolving he said, ‘I think it was better than the first day I was here cause it didn’t get as rough in the end of the day.  They put a lot of glue, like they are doing again this evening, so I think it is holding up pretty well compared to what we expected.’  P3 in the first eBuggy qualifier, which was held just as the sun began to set, last year’s winner said, ‘Electric was interesting because Bruno and I were adjusting the sun blind because he needed it down but if it was down I couldn’t really see the track so we came to a compromise were I pushed his loose part up but then after three laps that part came back down and I couldn’t see the track.  I had to stand tilted sideways which made it difficult for a few laps and I had a mistake because I was not focusing on what I should have been focusing on.’

Summing up his qualifier, at the end of which he said he was shocked to hear over his headset from his pit man that he was showing in last place, Coelho said, ‘In total I missed 5-laps.  I only had a small bobble and the run was pretty good.  The lap time was there, I had the fastest lap time of the qualifier.’  He continued, ‘The car was a bit difficult to drive but was very fast, it was a pity the laps were not counting.  Luckily there was more people having a problem which means there was some problem with the loop which the organisation is trying to fix for tomorrow.’  Back on his Buggy he said, ‘We didn’t find a little more stability on the nitro but it was fast so I was happy.’  Asked how far apart his Nitro and eBuggy are in terms of set-up, his eBuggy taking the Round 1 TQ, he replied, ‘they are very close.  Weight distribution is different but we need to find out why the nitro is more difficult to drive than the electric because the nitro has the pace but is not amazing the pace, I mean I am little bit faster but nothing almost, so there is no reason for it to be so difficult to drive because sometimes when you are a second faster it is ok to be difficult but if it is only zero something there is something we can still work on.  The electric one is very easy to drive and fast so I am pretty happy with it.’

‘Nothing special to really say’ was Iivonen’s thoughts after Q1.  The Finn continued, ‘The car felt the best it has actually been.  I have been the whole day with Bangkok (tyres) and I think Sahara would have been faster so tomorrow I will test that and see if it will be the case.  If that’s the case then my car is actually quite good and should be on pace.’  With his car standing out on track as the darkness fell, he explained, ‘It was actually getting quite dark already and it was good that I had the Glow Stick RC antenna on my car and that was the only thing I saw when I was driving, it was good.’  On eBuggy, in which he also got a P4, he said, ‘I made a small mistake on the back and got the worst out of it and lost a third place there otherwise it was quite good.  The pace was better and also that car is much better than before.’

Another first timer to the 2017 1:10 Offroad Worlds track along with Kato, Iivonen, young Korean talent Jung Hyunkyu, and fellow countryman Nugroho, Asian Buggy Championships podium finish Wicaksono was pleased with his Top 5 opening effort.  Describing the track as ‘challenging’, the Team Associated driver said ‘it has been a while since I drive on a track like this but I think it not only requires speed but also requires consistency & patience on top of set-up of course.’  Happy with his run, he said he had only one bobble in which his car turned over itself so he didn’t need to be marshalled and he didn’t lose much time.’  Owner of the West Side Raceway offroad track in Jakarta, asked if he was happy with where he was on car set-up, he replied, ‘No, no, still many thinks to work on but I think the last few days I worked mainly on shocks but I think I need to work on the diffs a little bit.  Although it is bumpy and dusty on the outside, I think the racing line is starting to groove so I think I need a little bit thicker oil in my car.’

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September 25, 2025

2025 1:8 GT World C/ship Chassis Focus Index

While some had their reservations regarding how the cars would perform around the large Club de Aeromodelos de Chile track and in particular its long straight, it would ultimately prove a huge hit with drivers at the IFMAR 1:8 GT Worlds and showcase the impressive speeds at which 1:8 GT cars now run.  The third running of the 1:8 GT World Championship, it was great to see such a diversity of manufacturers make up the World Championship deciding 1-hour final with 7 different brands forming the 11 car grid.  A very popular brand in South America, it was Italian manufacturer WIRC who was best represented with three cars, Brazil’s Flavio Elias going from winning the last chance final to finishing on the podium.  A brand which at the last World Championships was a solo personal project of its driver Michael Kocher, the Andrea Contarini designed car only offered then to customers as a eGT kit, Raptor has since through the involvement of Gimar become a major player with their star driver Alessio Mazzeo doing the World Championship double in Santiago.  In Nitro GT their two cars on the grid would go on to achieve a 1-2 finish.

Taking the TQ honours, Serpent would also have two cars in the final.  With one car each Senesi Motorsport, Xray and IGT8 completed the line up of different brands.  In terms of engines Gimar was the most popular with it powering 5-drivers.  While absent from the event as a car brand, Italy’s Genius Racing, who were Top Qualifiers in Sydney, proved the most popular body with 8 drivers running their GT Fury shell.  With Red RC able to make the very enjoyable and welcoming trip to South America to cover the GT Worlds for  a second time thanks to the support of Sweep tyres, Energy fuel, and 2023 World Champions Hong Nor, over the condensed schedule we managed to photograph 8 cars from 6 different manufacturers for our ‘Chassis Focus’ including the Top 2 finishers in the inaugural IFMAR 1:8 Electric GT World Championship.  As the supplier of the controlled tyre with is D-SPEC GT 40, Sweep came in for a lot of driver phrase for how its tyre performance as his Energy who fuelled everyone for the event.

 

Nitro GT

Alessio Mazzeo – Raptor (Q2/World Champion)

Flavio Elias – WIRC (Q5/P3)

Andrea Catanzani – Serpent (TQ/P4)

Natanaele Senesi – Senesi Motorsport (Q3/P5)

Alex D’angeloCapricorn (Q4/P10)

Diego MorgantiIGT8 (Q7/P18)

 

Electric GT

Alessio Mazzeo – Raptor (TQ/World Champion)

Natanaele Senesi – Senesi Motorsport (Q2/P2)

 


September 19, 2025

Chassis Focus – Alessio Mazzeo (Raptor)

Chassis: Raptor
Engine: Gimar Jupiter GT
Radio: Sanwa Exces ZIII
Servos (Steering/Throttle): Sanwa XB2
Body: i-Fenix
Tires (handout): Sweep D-SPEC GT 40
Fuel (handout): Energy 16%

Notes: 
Mazzeo’s car was fitted with Raptor’s own optional Front and centre weights.

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