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What is the general consensus on using teflon liners or no teflon, in Europe a lot use liners but i know in the US a lot seem to say dont use them as their problematic.Opinions please. Thank you Martin.

This is on a JAE 21 that will be used purly for SAW runs. Are fins used on most riggers for straight line speed runs or are they not used so as to reduce drag & increase speeds. Thanks in advance Martin.

As the title says, this will be the JAE 21 FE but with a hot set up where motor (electric) will be around 42,000 - 45,000rpm unloaded depending on motors i go with so probably in the 34000 - 36000rpm at the prop. What is the best choice of strut bushes, lead teflon or the Speedmaster style with...

These are such fun boats to run on a $12 3800kv outrunner on 3s & $20 60amp esc.This is just a warm up motor to get the boat ironed out then ill fit something like 380 size 4400kv inrunner on 3s.Regards Martin

Anyone know if a smaller more layed back angle fin will give more speed than the stock fin that is quite upright & large. If so what sort of shape do they need to be & what sort of angles do they need to be bent to. This is the little 16.5" fast electric JAE which run fantastic by the way...

As the title says will a smaller different shape fin increase top end speed if so does the leading edge need cutting back with more lay back curve or something different again. Thanks in advance Martin.

Been offered a couple of unused and good price piston liners for Nova BX S421, or S821 B. 8 port car motor part number 08538 I also have an 8 port case to use these in.Not sure whether this was the same one used in the marine motor or not. Any one know what the transfer & exhaust timing is on...

Bought an item from ebay and it never arrived, After about a month i started a dispute to which they found in my favour and on the 6th December awarded me my money back to my account but said it would be about 5 days before the money would show in the account. On the 8th December the item...

Having only bought through Ebay and payed with Paypal. If i buy from private sellers do i just need their e mail address to set up payment to them with Paypal. They also have Paypal account set up, Or do i need to do it another way. Regards Martin.

Can some one explain the idiot proof way of posting pictures to some one on personal conversations that i was sent. Martin.

Does any one know the centre to centre length of the Novarossi .28 motor. best regards Martin.

As title says this was the first 3 port 21 engine that Rossi made between 82-85ish (not Nova rossi), Looking for piston and liners or complete engines only in good condition, Marine,aero or car engines. This was the motor that had the 12mm shaft, conrod centre to centre of 28.5mm, head and back...

Does anyone happen to have photos of these two pipes as a comparison to the two pipes. I have the standared one but need to see the difference in shape and volume, Would be most helpfull. Best regards Martin.