hpi rs4 mt .... excellent mt.

 Old rs4 series are excellent in everything except its bland name HPI. meterial, performance,
design is very nice. mt has good power train, balance.

 1th generation super shock does not make old spilts. MIP CVD has smooth action.
battery type is for stick and saddle.

 motor mount has delicate engineered fin for heat emitting.

engine setting I did

 10C cabu setting I did. engine pressure makes me have hard time to start enging. so I forgave hady starter. I tried pull starter. but It is not easy to use pull starter. I chose Sullivan tiger drive system.

damping is excellent with kyosho tefron touring shocks. 

 belt interferience I abandoned cover of tiger starter.

very beautiful shape It has. I will set 2speed timming.

F-TEN GP engine test

 I put OS15 CV RX on F-TEN. I am not familiar with OS 10C carburetor. I find standard carbu setting on internet.

 fuel tank has no pump button. pull starter will pump fuel to carbu.

 It is very hard to start engine. hand starter is not good when engine pressure is high.
I wanted to use roto system. but engine would not allow me to use roto. there is no space for starter shaft. So I ordered sullivan tiger drive roto system. that can make us use roto shaft parallel with engine head without any interference.

cross steering is very good in material and accuracy in engineering.

hpi rs4 rally full option

 hpi super shocks, lunsford turnbuckles, heat sink motor mount,

 special battery holder,

hpi rs4 rally has good road clearance like 10 scale buggy. 5000MA stick type battery can be located by battery holder.

f-ten gp update

 almost done.

 cross steering and servo savor support spring for superten, tefron coated shocks.

 hpi disk break pad and ftw6 cooling fan

 rear wing

 form 2 speed gear

 form main chassis

 middle belt tension

engine settling and tire bonding are left.

ae rc18 t2 b2 power train problem solution.

I think AE should not have to release rc18 t2, b2. rc18 t2b2 has good shape at first look.
But It has some problems in detail. front belt can not but meet with pinion gear. so I put bearing tension. It is the key to prevent from belt cutting.
second big problem is that spur gear meets with rear diff case. I trimmed diff case. no problems I have now.

yokomo mr4 rally update

 yr4 shocks I added.

yr4 shock shafts are changed to mr4 rally long stroke shafts.